Publikationen

                                                                                                                                                                                                                                                                                                                                                                                 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1988 1987 1986 1984 1983 1982

2024

Berry, P; Dammhahn, M; Hauptfleisch, M; Hering, R; Jansen, J; Kraus, A; Blaum, N (2024): African dryland antelope trade‐off behaviours in response to heat extremes. Ecology and Evolution 14: e11455. doi: 10.1002/ece3.11455

Erixon, F; Eccard, JA; Huneke, R; Dammhahn, M (2024): A behavioral syndrome of competitiveness in a non-social rodent. Behavioral Ecology and Sociobiology 78: 98. doi: 0.1007/s00265-024-03510-2

Fusco, NA; Cosentino, BJ; Gibbs, JP; Allen, ML; Blumenfeld, AJ; Boettner, GH; Briggs, K; Carlen, EJ; Collins, M; Dennison, C; DiGiacopo, D; Drapeau Picard, AP; Edmonson, J; Fisher-Reid, MC; Fyffe, R; Gallo, T; Grant, A; Harbold, W; Heard, SB; Lafferty, DJR; Lehtinen, RM; Marino, S; McDonald, JE; Mortelliti, A; Murray, M; Newman, A; Oswald, KN; Ott-Conn, C; Richardson, JL; Rimbach, R; Salaman, P; Steele, M; Stothart, MR; Urban, MC; Vandegrift, K; Vanek, LP; Vanderluit, SN; Vezina, L; Caccone, A (2024): Population genomic structure of a widespread urban-adapted mammal. Molecular Ecology 33: e17230. doi: 10.1111/mec.17230

Ganzhorn, JU; Andriambeloson, J-B; Atsalis, S; Behrendt, LM; Blanco, MB; Bollen, A; Carrière, SM; Chikhi, L; Dammhahn, M; Donati, G; et al. (2024): Facilitated Forest Restoration Using Pioneer Seed Dispersers in Madagascar: The Example of Microcebus spp. Land 13: 1971. doi: 10.3390/land13121971

Göbel, M; Kaiser, S; Richter, SH; Wagner, P; Wehrenberg, G (2024): Specifically Unspecific – Simple Devices as Feasible and Effective Enrichment for Small Mammals. Animal Behavior and Cognition 11(3): 305–329. doi: 10.26451/abc.11.03.05.2024

Kaiser, MI; Gadau, J; Kaiser, S; Müller, C; Richter, SH (2024): Individualized social niches in animals: Theoretical clarifications and processes of niche change. BioScience 74: 146–158. doi: 10.1093/biosci/biad122

Kaiser; S; Krüger, C; Sachser, N (2024): The guinea pig. The UFAW handbook on the care and management of laboratory and other research animals (9th edtion). Golledge, H; Richardson, C (Eds); Wiley-Blackwell, Chichester: 465-483. doi:10.1002/9781119555278.ch27

Leonard, A; Earth Hologenome Initiative Consortium; Alberdi, A (2024): A global initiative for ecological and evolutionary hologenomics. Trends in Ecology & Evolution. doi: 10.1016/j.tree.2024.03.005

McGrosky, A; Swanson, ZS; Rimbach, R; Bethancourt, H; Ndiema, E; Nzunza, R; Braun, DR; Rosinger, AY; Pontzer, H (2024): Total daily energy expenditure and elevated water turnover in a small-scale semi-nomadic pastoralist society from northern Kenya. Annals of Human Biology 51: 2310724. doi: 10.1080/03014460.2024.2310724

Mundinger, A; Mundinger, C (2024): Artificial Intelligence in Senology - Where Do We Stand and What Are the Future Horizons? European Journal of Breast Health 20: 73-80. doi: 10.4274/ejbh.galenos.2024.2023-12-13

Pereira, H; Hoffman, JI; Krüger, O; Czirják, GÁ; Rinaud, T; Ottensmann, M; Gladow, K-P; Caspers, BA; Maraci, Ö; Kaiser, S; Chakarov, N (2024): The gut microbiota-immune-brain axis in a wild vertebrate: dynamic interactions and health impacts. Frontiers in Microbiology 15:1413976. doi: 10.3389/fmicb.2024.1413976

Pohle, J; Signer, J; Eccard, JA; Dammhahn, M; Schlägel, UE (2024): How to account for behavioral states in step-selection analysis: a model comparison. PeerJ 12: e16509. doi:10.7717/peerj.16509

Richter, SH (2024): Challenging current scientific practice: how a shift in research methodology could reduce animal use. Lab Animal 53: 9–12. doi: 10.1038/s41684-023-01308-9

Rimbach, R; Petritz, AO; Balko, JA; Pontzer, H (2024): Urban eastern gray squirrels (sciurus carolinensis) show little seasonal variation in biochemical and hematological parameters. Urban Ecosystems. doi: 10.1007/s11252-024-01566-6

Rystrom, TL; Richter, SH; Sachser, N; Kaiser, S (2024): Social niche shapes social behavior and cortisol concentrations during adolescence in female guinea pigs. Hormones and Behavior 162: 105539. doi: 10.1016/j.yhbeh.2024.105539

Schulte, L; Oswald, P; Mühlenhaupt, M; Ossendorf, E; Kruse, S; Kaiser, S; Caspers, BA (2024): Stress response of fire salamander larvae differs between habitat types. Royal Society Open Science 11: 231304. doi:10.1098/rsos.231304

Sroka, MGU; Ambree, O; Dohmen, C; Palme, R; Kaiser, S; Richter, SH (2024): Personality matters–The interplay between consistent individual differences and mouse welfare in female C57BL6/J mice. Frontiers in Animal Science 5: 1423814. doi: 10.3389/fanim.2024.1423814

von Kortzfleisch, VT; Richter, SH (2024): Systematic heterogenization revisited: Increasing variation in animal experiments to improve reproducibility?. Journal of Neuroscience Methods 401: 109992. doi: 10.1016/j.jneumeth.2023.109992

2023

Berry, PE; Dammhahn, M; Blaum, N (2023): Keeping cool on hot days: activity responses of African antelope to heat extremes. Frontiers in Ecology and Evolution 11:1172303. doi: 10.3389/fevo.2023.1172303

Best, AW; McGrosky, A; Swanson, Z; Rimbach, R; McConaughy, K; McConaughy, J; Ocobock, C; Pontzer, H (2023): Total energy expenditure and nutritional intake in continuous multi-day ultramarathon events. International Journal of Sport Nutrition and Exercise Metabolism. doi: 10.1123/ijsnem.2023-0063

Bohn, L; Bierbaum, L; Kästner, N; von Kortzfleisch, VT; Kaiser, S; Sachser, N; Richter, SH (2023): Structural enrichment for laboratory mice: exploring the effects of novelty and complexity. Frontiers in Veterinary Science 10: 1207332. doi: 10.3389/fvets.2023.1207332

Ferreira, CM; Dammhahn, M; Eccard, JA (2023): So many choices, so little time: Food preference and movement vary with the landscape of fear. Ecology and Evolution 13: e10330. doi: 10.1002/ece3.10330

Hermanussen, M; Dammhahn, M; Scheffler, C; Groth, D (2023): Winner-loser effects improve social network efficiency between competitors with equal resource holding power. Scientific Reports 13: 14439. doi: 10.1038/s41598-023-41225-y

Kaiser, S; Korte, A; Wistuba, J; Baldy, M; Wissmann, A; Dubičanac, M; Richter, SH; Sachser, N (2023): Effects of castration and sterilization on cortisol responsiveness–a case study in male guinea pigs. Frontiers in Veterinary Science 9: 2047. doi: 10.3389/fvets.2022.1093157

Makuya, L; Pillay, N; Rimbach, R; Schradin, C (2023): Suppression of the physiological stress response is not stress. Trends in Ecology and Evolution 38: 907-909. doi: 10.1016/j.tree.2023.06.007

Mundinger, C; Wolf, JM; Gogarten, JF; Fierz, M; Scheuerlein, A; Kerth, G (2023): Artificially raised roost temperatures lead to larger body sizes in wild bats. Current Biology 33: 3977-3984.e4. doi: 10.1016/j.cub.2023.08.004

Mutwill, AM; Schielzeth, H; Richter, SH; Kaiser, S; Sachser, N (2023): Conditional on the social environment? Roots of repeatability in hormone concentrations of male guinea pigs. Hormones and Behavior 155: 105423. doi: 10.1016/j.yhbeh.2023.105423

Quante, SM; Siewert, V; Palme, R; Kaiser, S; Sachser, N; Richter SH (2023): The power of a touch: Regular touchscreen training but not its termination affects hormones and behavior in mice. Frontiers in Behavioral Neuroscience 17:1112780. doi: 10.3389/fnbeh.2023.1112780

Reusch, C; Scheuerlein, A; Grosche, L; Meier, F; Gampe, J; Dammhahn, M; van Schaik, Joop; Kerth, G; (2023): The risk faced by the early bat: individual plasticity and mortality costs of the timing of spring departure after hibernation. Oikos: e09654. doi: 10.1111/oik.09654

Rimbach, R; Pontzer, H (2023): Increased physical activity is not related to markers of cardiometabolic health in two lemur species. American Journal of Primatology e23564. doi: 10.1002/ajp.23564

Rystrom, TL; Wesseler, Y; Richter, SH; Sachser, N & Kaiser, S (2023): Shaped by you: The effect of social partner on cortisol and behavior during adolescence in a female rodent. Ethology 130: e13414. doi: 10.1111/eth.13414

Schradin, C; Makuya, L; Pillay, N; Rimbach, R (2023): Harshness is not stress. Trends in Ecology and Evolution 38: 224-227. doi: 10.1016/j.tree.2023.06.007

Schüßler, D; Blanco, MB; Guthrie, NK; Sgarlata, GM; Dammhahn, M; Ernest, R; … Radespiel, U (2023): Morphological variability or inter-observer bias? A methodological toolkit to improve data quality of multi-researcher datasets for the analysis of morphological variation. American Journal of Biological Anthropology. doi: 10.1002/ajpa.24836

Segelcke, D; Linneman, J; Pradier, B; Kronenberg, D; Stange, R; Richter, SH; Görlich, D; Baldini, N; Di Pompo, G; Verri, WA Jr.; Avnet, S; Pogatzki-Zahn, EM (2023): Behavioral voluntary and social bioassays enabling identification of complex and sex-dependent pain-(-related) phenotypes in rats with bone cancer. Cancers 15: 1565. doi: https://doi.org/10.3390/cancers15051565

Stieger, B; Wesseler, Y; Kaiser, S; Sachser, N; Richter, SH (2023): Behavioral lateralization of mice varying in serotonin transporter genotype. Frontiers in Behavioral Neuroscience 16: 1095567. doi: 10.3389/fnbeh.2022.1095567

Waterkamp, C; von Kortzfleisch, VT; Neu, C; Kitanovski, S; Richter, SH; Hoffmann, D (2023): Increasing information gain in animal research by improving statistical model accuracy. Contributed to the International Workshop on Mathematical Modeling and Scientific Computing 2022, München. doi: 10.1088/1742-6596/2514/1/012021

2022

Bračić, M; Bohn, L; Siewert, V; von Kortzfleisch, VT; Schielzeth, H; Kaiser, S; Sachser, N; Richter, SH (2022): Once an optimist, always an optimist? Studying cognitive judgment bias in mice. Behavioral Ecology 33: 775-788. doi: 10.1093/beheco/arac040

Dammhahn, M; Lange, P; Eccard, JA (2022): The landscape of fear has individual layers: an experimental test of among-individual differences in perceived predation risk during foraging. Oikos 2022: e09124. doi: 10.1111/oik.09124

Eccard, JA; Ferreira, C; Pereiro Arce, A; Dammhahn, M (2022): Top-down effects of foraging decisions on local, landscape and regional biodiversity of resources (DivGUD). Ecology Letters 25: 3-16. doi: 10.1111/ele.13901

Eccard, JA; Herde, A; Schuster, A; Liesenjohann, T; Knopp, T; Heckel, G; Dammhahn, M (2022): Fitness, risk taking and spatial behaviour covary with animal personality in experimental vole populations. Ecology & Evolution 12: e8521. doi: 10.1002/ece3.8521

Feige-Diller, J; Herrera-Rivero, M; Witten, A; Stoll, M; Kaiser, S; Richter, SH; Sachser, N (2022): The impact of varying food availability on gene expression in the liver: Testing the Match-Mismatch hypothesis. Frontiers in Nutrition 9: 910762. doi: 10.3389/fnut.2022.910762

Ferreira, CM; Dammhahn, M; Eccard, JA (2022): Forager-mediated cascading effects on food resource species diversity. Ecology & Evolution 12: e9523. doi: 10.1002/ece3.9523

Gharnit, E; Dammhahn, M; Garant, D; Réale, D (2022): Ecological and behavioural determinants of individual diet specialization. American Naturalist 200: 1-16. doi: 10.5061/dryad.0rxwdbs2c

Herrera-Rivero, M; Bohn, L; Witten, A; Jüngling, K; Kaiser, S; Richter, SH; Stoll, M; Sachser, N (2022): Transcriptional profiles in the mouse amygdala after a cognitive judgment bias test largely depend on the genotype. Frontiers in Molecular Neuroscience. doi: 10.3389/fnmol.2022.1025389

Jaric, I; Voelkl, B; Clerc, M; Schmid, MW; Novak, J; Rosso, M; Rufener, R; von Kortzfleisch, VT; Richter, SH; Buettner, M; Bleich, A; Amrein, I; Wolfer, DP; Touma, C; Sunagawa, S; Würbel, H (2022): The rearing environment persistently modulates mouse phenotypes from the molecular to the behavioural level. PLoS Biology 20 (10): e3001837. doi: 10.1371/journal.pbio.3001837

Kappeler, PM; Benhaiem, S; Fichtel, C; Fromhage, L; Höner, OP; Jennions, MD; Kaiser, S; Krüger, O; Schneider, JM; Tuni, C; van Schaik, J; Goymann, W (2022): Sex roles and sex ratios in animals. Biological Reviews. doi: 10.1111/brv.12915

Lilie, ND; Riyahi, S; Kalinowski, A; Salazar, SM; Kaiser, S; Schmoll, T; Korsten, P (2022): Male social niche conformance? Effects of manipulated opportunity for extra-pair mating on behavior and hormones of male zebra finches. Hormones and Behavior 146: 105243. doi: 10.1016/j.yhbeh.2022.105243

Milles, A; Dammhahn, M; Schlägel, U; Jeltsch, F; Grimm, V (2022): Fluctuations in density-dependent selection drive the evolution of a pace-of-life-syndrome in populations. American Naturalist 199: E124-E139. doi: 10.1086/718473

Nagel, R; Kaiser, S; Stainfield, C; Toscani, C; Fox-Clarke, C; Paijmans, AJ; Costa Castro, C; Vendrami, DLJ; Forcada, J; Hoffman, JI (2022): Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped. Ecology and Evolution 12: e8757. doi: 10.1002/ece3.8757

Rystrom, TL; Prawitt, RC; Richter, SH; Sachser, N; Kaiser, S (2022): Repeatability of endocrine traits and dominance rank in female guinea pigs. Frontiers in Zoology 19: 4. doi: 10.1186/s12983-021-00449-2

Stieger, B; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2022): When left is right: The effects of paw preference training on behaviour in mice. Behavioural Brain Research 430: 113929. doi: 10.1016/j.bbr.2022.113929

Stiegler, J; Lins, A; Dammhahn, M; Kramer-Schadt, S; Ortmann, S; Blaum, N (2022): Personality drives activity and space use in a mammalian herbivore. Movement Ecology 10: 33. doi: 10.1186/s40462-022-00333-6

von Kortzfleisch, VT; Ambrée, O; Karp, NA; Meyer, N; Novak, J; Palme, R; Rosso, M; Touma, C; Würbel, H; Kaiser, S; Sachser, N; Richter, SH (2022): Do multiple experimenters improve the reproducibility of animal studies? PLOS Biology 20(5): e3001564. doi: 10.1371/journal.pbio.3001564

2021

Alexander, R; Aragon, OR; Bookwala, J; Cherbuin, N; Gatt, JM; Kahrilas, IJ; Kästner, N; Lawrence, A; Lowe, L; Morrison, RG; Mueller, SC; Nusslock, R; Papadelis, C; Polnaszek, KL; Richter, SH; Silton, RL; Styliadis, C (2021): The neuroscience of positive emotions and affect: Implications for cultivating happiness and wellbeing. Neuroscience and Biobehavioral Reviews 121: 220–249. doi: 10.1016/j.neubiorev.2020.12.002

Bodden, C; Wewer, M; Kästner, N; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2021): Not all mice are alike: Mixed-strain housing alters social behaviour. Physiology & Behavior 228: 113220. doi: 10.1016/j.physbeh.2020.113220

Desjardins, E; Kurtz, J; Kranke, N; Lindeza, A; Richter, SH (2021): Beyond standardization: Improving external validity and reproducibility in experimental evolution. BioScience: biab008. doi: 10.1093/biosci/biab008

Feige-Diller, J; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2021): The impact of varying food availability on health and welfare in mice: Testing the Match-Mismatch hypothesis. Physiology & Behavior 228: 113193. doi: 10.1016/j.physbeh.2020.113193

Krakenberg, V; Wewer, M; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2021): Regular touchscreen training affects faecal corticosterone metabolites and anxiety-like behaviour in mice. Behavioural Brain Research 401: 113080. doi: 10.1016/j.bbr.2020.113080

Melotti, L; Siestrup; S; Peng, M; Vitali, V; Dowling, D; von Kortzfleisch, VT; Bračić, M; Sachser N; Kaiser S; Richter SH (2021): Individuality, as well as genetic background, affects syntactical features of courtship songs in male mice. Animal Behaviour 180: 179–196. doi: 10.1016/j.anbehav.2021.08.003

Mutwill, AM; Schielzeth, H; Zimmermann, TD; Richter, SH; Kaiser, S; Sachser, N (2021): Individuality meets plasticity: Endocrine phenotypes across male dominance rank acquisition in guinea pigs living in a complex social environment. Hormones and Behavior 131: 104967. doi: 10.1016/J.YHBEH.2021.104967

Stieger, B; Melotti, L; Quante, SM; Kaiser, S; Sachser, N;  Richter, SH (2021): A step in the right direction: the effect of context, strain and sex on paw preference in mice. Animal Behaviour 174: 21-30. doi: 10.1016/j.anbehav.2021.01.012

2020

Feige-Diller, J; Krakenberg, V; Bierbaum, L; Seifert, L; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2020): The Effects of Different Feeding Routines on Welfare in Laboratory Mice. Frontiers in Veterinary Science 6: 479. doi:10.3389/fvets.2019.00479

Krakenberg, V; Siestrup, S; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2020): Effects of different social experiences on emotional state in mice. Scientific Reports 10: 1-12. doi: 10.1038/s41598-020-71994-9

Müller, C; Caspers, BA; Gadau, J; Kaiser, S (2020): The power of infochemicals in mediating individualized niches. Trends in Ecology & Evolution 35: 981-989. doi: 10.1016/j.tree.2020.07.001

Mutwill, AM; Zimmermann, TD; Hennicke, A; Richter, SH; Kaiser, S; Sachser, N (2020): Adaptive reshaping of the hormonal phenotype after social niche transition in adulthood. Proceedings of the Royal Society of London B 287: 20200667. doi: 10.1098/rspb.2020.0667

Richter, SH (2020): Automated home-cage testing as a tool to improve reproducibility of behavioral research?. Frontiers in Neuroscience 14: 383. doi: 10.3389/fnins.2020.00383

Richter, SH; von Kortzfleisch, V (2020): It is time for an empirically informed paradigm shift in animal research. Nature Reviews Neuroscience 21: 660. doi: 10.1038/s41583-020-0369-0

Sachser, N; Zimmermann, TD; Hennessy, MB; Kaiser, S (2020): Sensitive phases in the development of rodent social behavior. Current Opinion in Behavioral Sciences 36: 63–70. doi: 10.1016/j.cobeha.2020.07.014

von Kortzfleisch, VT; Karp, NA; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2020): Improving reproducibility in animal research by splitting the study population into several ‘mini-experiments’. Scientific Reports 10: 16579. doi: 10.1038/s41598-020-73503-4

2019

Bodden, C; von Kortzfleisch, V; Karwinkel, F; Kaiser, S; Sachser, N; Richter, SH (2019): Heterogenising study samples across testing time improves reproducibility of behavioural data. Scientific Reports 9: 8247.

Haaker, J; Maren, S; Andreatta, M; Merz, CJ; Richter, J; Richter, SH; Drexler Shira, S; Lange, MD; Jüngling, K; Nees, F; Seidenbecher, T; Fullana, MA; Wotjak, C; Lonsdorf, TB (2019): Making translation work: Harmonizing cross-species methodology in the behavioural neuroscience of Pavlovian fear conditioning. Neuroscience & Biobehavioral Reviews 107: 329-345.

Kästner N, Richter SH, Urbanik S, Kunert J, Waider J, Lesch KP, Kaiser S, Sachser N (2019): Brain serotonin deficiency affects female aggression. Scientific Reports 9: 1366.

Krakenberg, V; von Kortzfleisch, V; Kaiser, S; Sachser, N; Richter, SH (2019): Differential effects of serotonin transporter genotype on anxiety-like behavior and cognitive judgment bias in mice. Frontiers in Behavioral Neuroscience 13: 263.

Krakenberg, V; Woigk, I; Garcia Rodriguez, L; Kästner, N; Kaiser, S; Sachser, N; Richter, SH (2019): Technology or ecology? New tools to assess cognitive judgement bias in mice. Behavioural Brain Research 362: 279-287.

Melotti, L; Kästner, N; Eick, AK; Schnelle, AL; Palme, R; Sachser, N; Kaiser, S; Richter, SH (2019): Can live with ’em, can live without ’em: pair housed male C57BL/6J mice show low aggression and increasing sociopositive interactions with age, but can adapt to single housing if separated. Applied Animal Behaviour Science 214: 79-88.

Mutwill, AM; Zimmermann, TD; Reuland, C; Fuchs, S; Kunert, J; Richter, SH; Kaiser, S; Sachser, N (2019): High reproductive success despite queuing – Socio-sexual development of males in a complex social environment. Frontiers in Psychology 10: 2810.

Richter, SH; Hintze, S (2019): From the individual to the population – and back again? Emphasising the role of the individual in animal welfare science. Applied Animal Behaviour Science: 1-8.

von Kortzfleisch,VT; Kästner, N; Prange,L; Kaiser,S; Sachser, N; Richter, SH (2019): Have I been here before? Complex interactions of age and test experience modulate the results of behavioural tests. Behavioural Brain Research 367: 143-148.

2018

Bodden, C; Siestrup, S; Palme, R; Kaiser, S; Sachser, N; Richter, SH (2018): Evidence-based severity assessment: Impact of repeated versus single open-field testing on welfare in C57BL/6J mice. Behavioural Brain Research 336: 261-268.

Kästner, N; Richter, SH; Bodden, C; Palme, R; Kaiser, S; Sachser, N (2018): Varying social experiences in adulthood do not differentially affect anxiety-like behavior but stress hormone levels. Frontiers in Behavioral Neurosciences: 12:72.

Kafkafi, N; Agassi, J; Chesler, EJ; Crabbe, JC; Crusio WE; Eilam, D; Gerlai, R; Golani, I; Gomez-Marin, A; Heller, R; Iraqi, F; Jaljuli, I; Karp, NA; Morgan, H; Nicholson, G; Pfaff, DW; Richter, SH; Stark, PB; Stiedl O, Stodden, V; Tarantino, LM; Tucci, V; Valdar, W; Williams, RW; Würbel, H; Benjamini, Y (2018): Reproducibility and replicability of rodent phenotyping in preclinical studies. Neuroscience & Biobehavioral Reviews 87: 218-232.

Richter, SH; Sachser, N; Kaiser, S (2018): Emotionen (Kapitel 11). In: Handbuch Tierethik by Ach JS, Borchers D (Eds), J.B. Metzler Verlag GmbH, Stuttgart, 64-69.

Sachser, N; Hennessy, MB; Kaiser S (2018): The adaptive shaping of social behavioural phenotypes during adolescence. Biol. Lett.14: DOI: 10.1098/rsbl.2018.0536.

Sachser, N; Richter, SH; Kaiser, S (2018): Artgerecht/tiergerecht (Kapitel 26). In: Handbuch Tierethik by Ach JS, Borchers D (Eds), J.B. Metzler Verlag GmbH, Stuttgart, 155-160.

Sangenstedt, S; Szardenings, C; Sachser, N; Kaiser, S (2018): Does the early social environment prepare individuals for the future? A match-mismatch experiment in female wild cavies. Frontiers in Zoology: 15:13.

2017

Bodden, C; van den Hove, D; Lesch, K-P; Sachser, N (2017): Impact of varying social experiences during life history on behaviour, gene expression, and vasopressin receptor gene methylation in mice. Scientific Reports 7:8719: doi: 10.1038/s41598-017-09292-0.

Kästner, N; Richter, SH; Gamer, M; Kaiser, S; Sachser, N (2017): What a difference a day makes - female behaviour is less predictable near ovulation. Royal Society open science DOI: 10.1098/rsos.160998.

Meyer, N; Jenikejew, J; Richter, SH; Kaiser, S; Sachser, N (2017): Social experiences during adolescence affect anxiety-like behavior but not aggressiveness in male mice. Behavioural Brain Research 326: 147-153.

Richter, SH (2017): Systematic heterogenization for better reproducibility in animal experimentation. Lab Animal NY (Nature Research Journal) 46: 343-349.

Sangenstedt, S; Jaljuli, I; Sachser, N; Kaiser, S (2017): Stress responsiveness and anxiety-like behavior: The early social environment differentially shapes stability over time in a small rodent. Hormones and Behavior 90: 90-97.

Siegeler, K; Lewejohann, L; Failing, K; Sachser, N; Kaiser, S (2017): Start early! Does social instability during the pre- and early postnatal development prepare male wild cavies for social challenge later in life? Frontiers in Zoology 14: 2.

Zimmermann, TD; Kaiser, S; Hennessy, MB; Sachser, N (2017): Adaptive shaping of the behavioural and neuroendocrine phenotype during adolescence. Proceedings of the Royal Society of London B 284: 20162784. doi: 10.1098/rspb.2016.278.

Zimmermann, TD; Kaiser, S; Sachser, N (2017): The adaptiveness of a queuing strategy shaped by social experiences during adolescence. Physiology & Behavior 181: 29-37. doi: 10.1016/j.physbeh.2017.08.02.

2016

Graulich, DM; Kaiser, S; Sachser, N; Richter, SH (2016): Looking on the bright side of bias - validation of an affective bias test for laboratory mice. Applied Animal Behaviour Science 181: 173-181.

Mallien, AS; Palme, R; Richetto, J; Muzzillo, C; Richter, SH; Vogt, MA; Inta, D; Riva, MA; Vollmayr, B; Gass, P (2016): Daily exposure to a touchscreen-paradigm and associated food restriction evokes an increase in adrenocortical and neural activity in mice. Hormones and Behavior 81: 97-105.

Meyer, N; Richter, SH; Schreiber, RS; Kloke, V; Kaiser, S; Lesch, KP; Sachser, N (2016): The Unexpected Effects of Beneficial and Adverse Social Experiences during Adolescence on Anxiety and Aggression and Their Modulation by Genotype. Front. Behav. Neurosci 10: 97.

Remmes, J; Bodden, C; Richter, SH; Lesting, J; Sachser, N; Pape, HC; Seidenbecher, T (2016): Impact of Life History on Fear Memory and Extinction. Front. Behav. Neurosci 10: 185.

Richter SH; Kästner, N; Loddenkemper, DH; Kaiser, S; Sachser, N (2016): A time to wean? Impact of weaning age on anxiety-like behaviour and stability of behavioural traits in full adulthood. PLoS ONE 11(12): e0167652.

Richter, SH; Spinello, C; Macri, S (2016): Improving external validity of experimental animal data. In: Animal Models for Human Cancer: Discovery and Development of Novel Therapeutics by Martic-Kehl MI, Schubiger PA (Eds). In: Methods and Principles in Medical Chemistry edited by R. Mannhold, H. Kubinyi, G. Folkers. Wiley-VCH, Weinheim: 41-60.

Richter, SH; Kästner, N; Kriwet, M; Kaiser, S; Sachser, N (2016): Play matters - the surprising relationship between juvenile playfulness and anxiety in later life. Animal Behaviour 114: 261-271.

2015

Bodden, C; Richter, SH; Schreiber, RS; Kloke, V; Gerss, J; Palme, R; Lesch, KP; Lewejohann, L; Kaiser, S; Sacher, N (2015): Benefits of adversity?! How life history affects the behavioral profile of mice varying in serotonin transporter genotype. Frontiers in Behavioral Neuroscience 9: 47.

Calcagnoli, F; Stubbendorff, C; Meyer, N; de Boer, SF; Althaus, M; Koolhaas, JM (2015): Oxytocin microinjected into the central amygdaloid nuclei exerts anti-aggressive effects in male rats. Neuropharmacology 90: 74-81.

Freund, J; Brandmaier, AM; Lewejohann, L; Kirste, I; Kritzler, M; Krüger, A; Sachser, N; Lindenberger, U; Kempermann, G (2015): Association between exploratory activity and social individuality in genetically identical mice living in the same enriched environment. Neuroscience.

Hennessy, MB; Kaiser, S; Tiedtke, T; Sachser, N (2015): Stability and change: Stress responses and the shaping of behavioral phenotypes over the life span. Frontiers in Zoology 12(Suppl1): 18. doi: 10.1186/1742-9994-12-S1-S18.

Hillje, AL; Beckmann, E; Pavlou, M; Jaeger, C; Pires Pacheco, M; Sauter, T; Schwamborn, JC; Lewejohann, L (2015): The neural stem cell fate determinant TRIM32 regulates complex behavioral traits. Frontiers in Cellular Neuroscience 9: 75.

Kästner, N; Richter, SH; Lesch, KP; Schreiber, RS; Kaiser, S; Sachser, N (2015): Benefits of a "vulnerability gene"? A study in serotonin transporter knockout mice. Behavioural Brain Research 283: 116-120.

Kaiser, S; Hennessy, MB; Sachser, N (2015): Domestication affects the structure, development and stability of biobehavioural profiles. Frontiers in Zoology. 12(Suppl1): 19.

Kaiser, S; Schwerdt, B; Siegeler, K; Sachser, N (2015): Social instability during pregnancy and lactation alters female wild cavy offsprings' endocrine status and behaviour later in life. Behaviour 152 (7-8): 837 - 859.

Macri, S; Richter, SH; (2015): The Snark was a Boojum - reloaded. Frontiers in Zoology 12: 20.

Sachser, N; Richter, SH (2015): Animals can tell us more. Behavioral and Brain Sciences 38: 44-45.

2014

Calcagnolia, F; Meyer, N; de Boer, SF; Althaus, M; Koolhaas,JM (2014): Chronic enhancement of brain oxytocin levels causes enduring anti-aggressive and pro-social explorative behavioral effects in male rats. Hormones an Behavior 6: 427-433.

Guenther, A; Palme, R; Dersena, M; Kaiser, S; Trillmich, F (2014): Photoperiodic effects on reproductive development in male cavies (Cavia aperea). Physiology & Behavior 123: 142-147.

Kloke, V; Schreiber, RS; Bodden, C; Moellers, J; Ruhmann, H; Kaiser, S; Lesch, KP; Sacher, N; Lewejohann, L (2014): Hope for the best or prepare for the worst? Towards a spatial cognitive bias test for mice. PLoS ONE 9(8): e105431.

Lima-Ojeda, JM; Vogt, M; Richter, SH; Dormann, C; Schneider, M; Gass, P; Inta, D (2014): Lack of protracted behavioral abnormalities following intermittent or continuous chronic mild hypoxia in perinatal C57BL/6 mice. Neuroscience Letters 577C: 77-82.

Richter, SH; Gass, P; Fuss, J (2014): Resting is rusting: Rodent wheel-running as a model of human exercise? The Neuroscientist 20(4): 313-325.

Richter, SH; Sartorius, A; Gass, P; Vollmayr, B (2014): A matter of timing: harm reduction in learned helplessness. Behavioral and Brain Functions 10: 41.

Richter, SH; Vogel, A; Ueltzhöffer, K; Muzzillo, C; Vogt, MA; Lankisch, K; Armbruster-Genc, DJ; Riva, MA; Fiebach, CJ; Gass, P; Vollmayr, B (2014): Touchscreen-paradigm for mice reveals cross-species evidence for an antagonistic relationship of cognitive flexibility and stability. Frontiers in Behavioral Neuroscience 8: 1-13.

Richter, SH; Wollmann, E; Schmidt, M; Hellweg, R; Sprengel, R; Gass, P (2014): The effects of neonatal cryoanaesthesia-induced hypothermia on adult emotional behaviour and stress markers in C57BL/6 mice. Behavioural Brain Research http://dx.doi.org/10.1016/j.bbr.2014.05.: 300-6.

Zipser, B; Schleking, A; Kaiser, S; Sachser, N (2014): : Effects of domestication on biobehavioural profiles: a comparison of domestic guinea pigs and wild cavies from early to late adolescence. Frontiers in Zoology 11:30.

2013

Freund, J; Brandmaier, AM; Lewejohann, L; Kirste, I; Kritzler, M; Krüger, A; Sachser, N; Lindenberger, U; Kempermann, G (2013): Emergence of individuality in genetically identical mice. Science 340(6133): 756-759.

Heiming, RS; Mönning, A; Jansen, F; Kloke, V; Lesch, KP; Sachser, N (2013): To attack, or not to attack? The role of serotonin transporter genotype in the display of maternal aggression. Behavioural Brain Research 242: 135-141.

Hillje, A; Pavlou, M; Beckmann, E; Worlitzer, MMA; Bahnassawy, L; Lewejohann, L; Palm, T; Schwamborn, JC (2013): TRIM32 dependent transcription in adult neural progenitor cells regulates neuronal differentiation. Cell Death and Differentiation. Cell Death and Differentiation: 4, e976.

Hohoff, C; Gorji, A; Kaiser, S; Willscher, E; Korsching, E; Ambree, O; Arolt, V; Lesch, KP; Sachser, N; Deckert, J; Lewejohann, L (2013): Effect of acute stressor and serotonin transporter genotype on amygdala first wave transcriptome in mice. PLoS ONE 8(3): e58880.

Karabeg, MM; Grauthoff, S; Kollert, S; Weidner, M; Heiming, RS; Jansen, F; Lesch, KP; Sachser, N; Schmitt, AG; Lewejohann, L (2013): 5-HTT Deficiency Affects Neuroplasticity and Increases Stress Sensitivity Resulting in Altered Spatial Learning Performance in the Morris Water Maze but Not in the Barnes Maze. PLoS ONE 8(10): e78238.

Kloke, V; Heiming, RS; Bölting, S; Kaiser, S; Lewejohann, L; Lesch, KP; Sachser, N (2013): Unexpected effects of early-life adversity and social enrichment on the anxiety profile of mice varying in serotonin transporter genotype. Behavioural Brain Research 247: 248-258.

Sachser, N; Kaiser, S; Hennessy, M (2013): Behavioural profiles are shaped by social experience: When, how and why. Philosophical Transactions of the Royal Society B 368 (1618): doi: 10.1098/rstb.2012.0344.

Sachser, N; Lesch, K-P (2013): Das Zusammenspiel von Genotyp und Umwelt bei der Entwicklung von Furcht und Angst. Neuroforum 3/13: 102-109.

Siegeler, K; Wistuba, J; Dammb, OS; von Engelhardt, N; Sachser, N; Kaiser, S (2013): Early social instability affects plasma testosterone during adolescence but does not alter reproductive capacity or measures of stress later in life. Physiology & Behavior 120: 143-149.

Würbel, H; Richter, SH; Garner, JP (2013): Reply to:. Nature Methods 10(5): 374.

Wistuba, J; Werler, S; Lewejohann, L (2013): Mouse models for the exploration of Klinefelter´s Syndrome. In: Conn, MJ (ed.): Animal Models for the Study of Human Disease.

Zipser, B; Kaiser, S; Sachser, N (2013): Dimensions of Animal Personalities in Guinea Pigs. Ethology 119: 970-982.

2012

Albert, FW; Somel, M; Carneiro, M; Aximu-Petri, A; Halbwax, M; Thalmann, O; Blanco-Aguiar, JA; Plyusnina, IZ; Trut, L; Villafuerte, R; Ferrand, N; Kaiser, S; Jensen, P; Pääbo, S (2012): A Comparison of Brain Gene Expression Levels in Domesticated and Wild Animals. PLoS Genet 8(9): e1002962.

Gross, AN; Richter, SH; Engel, AKJ; Würbel, H (2012): Cage-induced stereotypies, perseveration and the effects of environmental enrichment in laboratory mice. Behavioural Brain Research 234: 61-68.

Reefmann, N; Muehlemann, T; Wechsler, B; Gygax, L (2012): Housing induced mood modulates reactions to emotional stimuli in sheep. Applied Animal Behaviour Science 136: 146-155.

Stock, C.; Kaiser, S (2012): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Hurrelmann, K.; Razum, O. (ed.):Handbuch Gesundheitswissenschaften Juventa, Weinheim, München: 5. Aufl: 99-122.

2011

Adrian, O; Sachser, N (2011): Diversity of social and mating systems in cavies: a review. Journal of Mammalogy 92 (1): 39-53.

Engel, AK; Gross, AN; Richter, SH; Würbel, H (2011): Variation in stress reactivity affects cage-induced stereotypies in female CD-1 (ICR) mice. Applied Animal Behaviour Science 133: 101-108.

Gross, AN; Engel, AKJ; Richter, SH; Garner, JP; Würbel, H (2011): Cage-induced stereotypies in female ICR CD-1 mice do not correlate with recurrent perseveration. Behavioural Brain Research 216: 613-620.

Heiming, RS; Bodden, C; Jansen, F; Lewejohann, L; Kaiser, S; Lesch, KP; Palme, R; Sachser, N (2011): Living in a dangerous world decreases maternal care: a study in serotonin transporter knockout mice. Hormones and Behavior: 397-407.

Herring, A; Lewejohann, L; Panzer, AL; Donath, A; Kröll, O; Sachser, N; Paulus, W; Keyvani, K (2011): Preventive and therapeutic types of environmental enrichment counteract beta amyloid pathology by different molecular mechanisms. Neurobiology of Disease 42: 530-538.

Hundelt, M; Fath, T; Selle, K; Oesterwind, K; Jordan, J; Schultz, C; Götz, J; von Engelhardt, J; Monyer, H; Lewejohann, L; Sachser, N; Bakota, L; Brandt, R (2011): Altered phosphorylation but no neurodegeneration in a mouse model of tau hyperphosphorylation. Neurobiology of Aging 32: 991-1006.

Jansen, F; Heiming, RS; Kloke, V; Kaiser, S; Palme, R; Lesch, K-P; Sachser, N (2011): Away game or home match: the influence of venue and serotonin transporter genotype on the display of offensive aggression. Behavioural Brain Research 219: 291 - 301.

Kloke, V; Jansen, F; Heiming, RS; Palme, R; Lesch, K-P; Sachser, N (2011): The winner and loser effect, serotonin transporter genotype, and the display of offensive aggression. Physiology & Behaviour 103 (5): 565-574.

Lürzel, S; Kaiser, S; Krüger, C; Sachser, N (2011): Inhibiting influence of testosterone on stress responsiveness during adolescence. Hormones & Behavior 60 (5): 691-698.

Lürzel, S; Kaiser, S; Sachser, N (2011): Social interaction decreases stress responsiveness during adolescence. Psychoneuroendocrinology 36 (9): 1370-1377.

Lewejohann, L; Zipser, B; Sachser, N (2011): "Personality" in laboratory mice used for biomedical research: A way of understanding variability? Developmental Psychobiology 53: 631-640.

Muehlemann, T; Reefmann, N; Wechsler, B; Wolf, M; Gygax, L (2011): In vivo functional near-infrared spectroscopy measures mood-modulated cerebral responses to a positive emotional stimulus in sheep. NeuroImage 54: 1625-1633.

Narayanan, V; Heiming, RS; Jansen, F; Lesting, J; Sachser, N; Pape, H-C; Seidenbecher, T (2011): Social defeat: impact on fear extinction and amygdala-prefrontal cortical theta synchrony in 5-HTT deficient mice. PlosOne 6(7): e22600.

Nietzer, SL; Bonn, M; Jansen, F; Heiming, RS; Lewejohann, L; Sachser, N; Asan, ES; Lesch, KP; Schmitt, AG (2011): Serotonin transporter knockout and repeated social defeat stress: impact on neuronal morphology and plasticity in limbic brain areas. Behavioural Brain Research 220: 42-54.

Pickel, T; Schrader, L; Scholz, B (2011): Environment, well being, and behavior. Poultry Science 90: 715-724.

Richter SH (2011): Illusion der perfekten Kontrolle. Vet Journal 12/11: 46-49.

Richter, SH (2011): Illusion der perfekten Kontrolle. Bild der Wissenschaft plus: 20-23.

Richter, SH; Garner, JP; Zipser, B; Lewejohann, L; Sachser, N; Touma, C; Schindler, B; Chourbaji, S; Brandwein, C; Gass, P; van Stipdonk, N; van der Harst, J; Spruijt, B; Voikar, V; Wolfer, DP; Würbel, H (2011): Effect of population heterogenization on the reproducibility of mouse behavior: a multi-laboratory study. PLoS one 6: e16461.

Sachser, N; Hennessy, MB; Kaiser, S (2011): Adaptive modulation of behavioural profiles by social stress during early phases of life and adolescence. Neuroscience and Biobehavioral Reviews 35 (7): 1518-1533.

Siegeler, K; Sachser, N; Kaiser, S (2011): The social environment during pregnancy and lactation shapes the behavioural and hormonal profile of male offspring in wild cavies. Developmental Psychobiology 53 (6): 575-584.

2010

Heiming, RS; Sachser, N (2010): Consequences of serotonin transporter genotype and early adversity on behavioral profile - pathology or adaptation? Frontiers in Neuroscience 4: 187.

Herring, A; Blome, M; Ambrée, O; Sachser, N; Paulus, W; Keyvani, K (2010): Reduction of cerebral oxidative stress following environmental enrichment in transgenic mice with Alzheimer-like pathology. Brain Pathology 20 (1): 166-175.

Jansen, F; Heiming, RS; Lewejohann, L; Touma, C; Palme, R; Schmitt, A; Lesch, KP; Sachser, N (2010): Modulation of Behavioural Profile and Stress Response by 5-HTT Genotype and Social Experience in Adulthood. Behavioural Brain Research 207: 21-29.

Kaiser, S; Krüger, C; Sachser, N (2010): The guinea pig. In: Hubrecht, R; Kirkwood, J (eds): The care and management of laboratory and other research animals. 8th edition. Wiley-Blackwell, Chichester, UK.: 380-398.

Lürzel, S; Kaiser, S; Sachser, N (2010): Social interaction, testosterone, and stress responsiveness during adolescence. Physiology & Behavior 99 (1): 40-46.

Lewejohann, L; Kloke, V; Heiming, RS; Jansen, F; Kaiser, S; Schmitt, A; Lesch, KP; Sachser, N (2010): Social status and day-to-day behaviour of male serotonin transporter knockout mice. Behavioural Brain Research 211: 80-88.

Lewejohann, L; Pickel, T; Sachser, N; Kaiser, S (2010): Wild genius - domestic fool? Spatial learning abilities of wild and domestic guinea pigs. Frontiers in Zoology: 7-9.

Pickel, T; Scholz, B; Schrader, L (2010): Perch material and diameter affects particular perching behaviours in laying hens. Applied Animal Behaviour Science 127 (1): 37-42.

Richter, SH; Garner, JP; Auer, C; Kunert, J; Würbel, H (2010): Systematic variation improves reproducibility of animal experiments. Nature Methods 7(3): 167 - 168.

Sachser, N; Kaiser, S (2010): The social modulation of behavioural development. In: Kappeler, P. (Ed.), Animal Behavior: Evolution and Mechanisms. Springer Verlag, Berlin: 505-536.

Sachser, N; Kaiser, S (2010): Meerschweinchen als Sozialstrategen. Spektrum der Wissenschaft Januar: 56-63.

Schradin, C; Schneider, C; Lindholm, K (2010): The nasty neighbour in the striped mouse (Rhabdomys pumilio) steals paternity and elicits aggression. Frontiers in Zoology 7: 19.

2009

Ambrée, O; Richter, SH; Sachser, N; Lewejohann, L; Dere, E; de Souza Silva, MA; Herring, A; Keyvani, K; Paulus, W; Schäbitz, WR (2009): Levodopa ameliorates learning and memory deficits in a murine model of Alzheimer's disease. Neurobiology of Aging 30: 1192-1207.

Diederich, K; Schäbitz, W-R; Kuhnert, K; Hellström, N; Sachser, N; Schneider, A; Kuhn, G; Knecht, S (2009): Synergetic effects of granulocyte-colony stimulating factor and cognitive training on spatial learning and survival of newborn hippocampal neurons. PLoSONE DOI: 10.1371/journal.pone.0005303.

Diederich, K; Sevimli, S; Dörr, H; Kösters, E; Hoppen, M; Lewejohann, L; Klocke, R; Minnerup, J; Knecht, S; Nikol, S; Sachser, N; Schneider, A; Gorji, A; Sommer, C; Schäbitz, WR (2009): The role of granulocyte-colony stimulating factor (G-CSF) in the healthy brain: A characterization of G-CSF deficient mice. The Journal of Neuroscience 29: 11672-11581.

Glocker, ML; Langleben, DD; Ruparel, K; Loughead, JW; Gur, RC; Sachser, N (2009): Baby schema in infant faces induces cuteness perception and motivation for caretaking in adults. Ethology 115 (3): 257-263.

Glocker, ML; Langleben, DD; Ruparel, K; Loughead, JW; Valdez, JN; Griffin, MD; Sachser, N; Gur, RC (2009): Baby schema modulates the brain reward system in nulliparous women. Proceedings of the National Academie of Sciences of the USA. 106: 9115-9.

Gygax, L; Neisen, G; Wechsler, B (2009): Differences between single and paired heifers in residency in functional areas, length of travel path, and area used throughout days 1-6 after integration into a free stall dairy herd. Applied animal behaviour science 120 (1-2): 49-55.

Heiming, RS; Jansen, F; Lewejohann, L; Kaiser, S; Schmitt, A; Lesch, KP; Sachser, N (2009): Living in a dangerous world: the shaping of behavioral profile by early environment and 5-HTT genotype. Frontiers in Behavioral Neuroscience 3: 26.

Hennessy, MB; Kaiser, S; Sachser, N (2009): Social buffering of the stress response: diversity, mechanisms, and functions. Frontiers in Neuroendocrinology 30 (4): 470-82.

Herring, A; Ambrée, O; Tomm, M; Habermann, H; Sachser, N; Paulus, W; Keyvani, K (2009): Environmental enrichment enhances cellular plasticity in transgenic mice with Alzheimer-like pathology. Experimental Neurology 216 (1): 184-192.

Kaiser, S; Sachser, N (2009): Effects of prenatal social stress on offspring development: pathology or adaptation? Current Directions in Psychological Science 18(2): 118-121.

Keller, C; Schradin, C (2009): Plant and small richness correlate positively in a biodiversity hotspot. Biodiversity and Conservation 17(4): 911-923.

Kemme, K; Kaiser, S; von Engelhardt, N; Wewers, D; Groothuis, T; Sachser, N (2009): An unstable social environment affects sex ratio in guinea pigs: an adaptive maternal effect? Behaviour 146 (11): 1513-1529.

Lewejohann, L; Damm, OS; Luetjens, CM; Hämäläinen, T; Simoni, M; Nieschlag, E; Gromoll, J; Wistuba, J (2009): Impaired recognition memory in male mice with a supernumerary X chromosome. Physiology & Behavior 96: 22-29.

Lewejohann, L; Hoppmann, AM; Kegel, P; Kritzler, M; Krüger, T; Sachser, N (2009): Behavioral phenotyping of a murine model of Alzheimer's disease in a semi-naturalistic environment using RFID tracking. Behavior Research Methods 41: 850-856.

Lewejohann, L; Reefmann, N; Widmann, P; Ambrée, O; Herring, A; Keyvani, K; Paulus, W; Sachser, N (2009): Transgenic Alzheimer mice in a semi-naturalistic environment: More plaques, yet not compromised in daily life. Behavioural Brain Research 201: 99-102.

Neisen, G; Wechsler, B; Gygax, L (2009): Effects of the introduction of single heifers or pairs of heifers into dairy-cow herds on the temporal and spatial associations of heifers and cows. Applied Animal Behaviour Science 119 (3-4): 127-136.

Neisen, G; Wechsler, B; Gygax, L (2009): Choice of scan-sampling intervals - an example with quantifying neighbours in dairy cows. Applied Animal Behaviour Science 116 (2-4): 134-140.

Reefmann, N; Bütikofer Kaszàs, F; Wechsler, B; Gygax, L (2009): Ear and tail postures as indicators of emotional valence in sheep. Applied Animal Behaviour Science 118 (3-4): 199-207.

Reefmann, N; Bütikofer Kaszàs, F; Wechsler, B; Gygax, L (2009): Physiological expression of emotional reactions in sheep. Physiology & Behavior 98 (1-2): 235-241.

Reefmann, N; Wechsler, B; Gygax, L (2009): Behavioural and physiological assessment of positive and negative emotion in sheep. Animal Behaviour 78 (3): 651-659.

Richter, SH; Garner, JP; Würbel, H (2009): Environmental standardization: cure or cause of poor reproducibility in animal experiments? Nature Methods 6(4): 257-261.

Sachser, N (2009): Neugier, Spiel und Lernen: Verhaltensbiologische Anmerkungen zur Kindheit. In: Handbuch der Erziehungswissenschaft Band III/I Familie-Kindheit-Jugend-Gender: 329-339.

Schradin, C; Schneider, C; Yuen, CH (2009): Age at puberty in male African striped mice: the impact of food, population density and the presence of the father. Functional Ecology 23 (5): 1004-1013.

Trillmich, F; Mueller, B; Kaiser, S; Krause, J (2009): Puberty in female cavies (Cavia aperea) is affected by photoperiod and social conditions. Physiology & Behavior 96(3): 476-480.

2008

Adrian, O; Dekomien, G; Epplen, JT; Sachser, N (2008): Body weight and rearing conditions of males, female choice and paternities in a small mammal, Cavia aperea. Ethology 114 (9): 897-906.

Adrian, O; Jömann, N (2008): Animals: Mere objects, holder of dignity or owner of moral rights? In: Müller, K; Sachser, N (ed.): Theology meets biology. Anthropological perspectives on animals and human beings. Pustet-Verlag, Regensburg.: 137-149.

Adrian, O; Kaiser, S; Sachser, N; Jandewerth, P; Löttker, P; Epplen, JT; Hennessy, MB (2008): Female influences on pair formation, reproduction and male stress responses in a monogamous cavy (Galea monasteriensis). Hormones & Behavior 53 (3): 403-412.

Asher, M; Lippmann, T; Epplen, JT; Kraus, C; Trillmich, F; Sachser, N (2008): Large males dominate: ecology, social organization, and mating system of wild cavies, the ancestors of the guinea pig. Behavioral Ecology and Sociobiology 62 (9): 1509-1521.

Bacher, M; Dodel, R; Aljabari, B; Keyvani, K; Marambaud, P; Kayed, R; Glabe, C; Görtz, N; Hoppmann, A; Sachser, N; Klotsche, J; Schnell, S; Lewejohann, L; Al-Abed, Y (2008): CNI-1493 inhibits Aß production, plaque formation, and cognitive deterioration in an aimal model of Alzheimer's disease. The Journal of Experimental Medicine 205 (7): 1593-1599.

Görtz, N; Lewejohann, L; Tomm, M; Ambrée, O; Keyvani, K; Paulus, W; Sachser, N (2008): Effects of environmental enrichment on exploration, anxiety, and memory in female TgCRND8 Alzheimer mice. Behavioural Brain Research 191: 43-48.

Kaiser, S; Touma, C; Galert, T; Würbel, H (2008): Animal Suffering - Fact or Fiction? In : Müller, K; Sachser, N (ed.): Theology meets biology. Anthropological perspectives on animals and human beings. Pustet-Verlag, Regensburg: 123-136.

Kemme, K; Kaiser, S; Sachser, N (2008): Prenatal stress does not impair coping with challenge later in life. Physiology and Behavior 93: 68-75.

Lewejohann, L (2008): Fill My Datebook: A Software Tool to Generate and Handle Lists of Events. Behavior Research Methods 40 (2): 391-393.

Müller, K; Sachser,N (ed) (2008): Theologie meets Biology. Anthropological perspectives on animals and human beings. Pustet-Verlag, Regensburg.

Pallerla, SR; Lawrence, R; Lewejohann, L; Pan, Y; Fischer, T; Schlomann, U; Zhang, X; Esko, JD; Grobe, K (2008): Altered heparan sulfate structure in mice with deleted NDST3 gene function. The Journal of Biological Chemistry 283: 16885-16894.

Richter, SH; Ambrée, O; Lewejohann, L; Herring, A; Keyvani, K; Paulus, W; Palme, R; Touma, C; Schäbitz, WR; Sachser, N (2008): Wheel-running in a transgenic mouse model of Alzheimer's disease: protection or symptom? Behavioural Brain Research 190: 74-84.

Richter, SH; Coutellier, L (2008): Animal suffering and well-being. International symposium on the state of science. vior: a multi-laboratory study. ISAE-Newsletter 31: 9-10.

2007

Gygax, L; Neisen, G; Bollhalder, H (2007): Accuracy and validation of a radar-based automatic local position measurement system for tracking dairy cows in free-stall barns. Computers and Electronics in Agriculture 56: 23-33.

Kaiser, S; Haderthauer, S; Sachser, N; Hennessy, MB (2007): Social Housing Conditions around Puberty Determine Later Changes in Plasma Cortisol Levels and Behavior. Physiology and Behavior 90: 405-411.

Kaiser, S; Sachser, N (2007): Sex-specific effects of early social stress in mammals: A study in guinea pigs. In: Encyclopedia of stress, 2nd ed.; editor in chief: George Fink. Academic Press, Oxford; Vol.3: 479-484.

Kemme, K; Kaiser, S; Sachser, N (2007): Prenatal maternal programming determines testosterone response during social challenge. Hormones and Behavior 51: 387-394.

Kritzler, M; Lewejohann, L; Krüger, A (2007): Analysing Movement and Behavioural Patterns of Laboratory Mice in a Semi Natural Environment Based on Data collected via RFID-Technology. In: Gottfried, B (ed.): Workshop on Behaviour Monitoring and Interpretation. Osnabrück.

Reefmann N; Bütikofer F; Stauffacher M; Wechsler B; Gygax L (2007): Ethophysiologische Erfassung emotionaler Valenz bei Schafen in positiv-negativ Kontrastsituationen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung, KTBL-Schrift 461. Darmstadt: 115-124.

Richter, SH (2007): The influence of dopamine and physical exercise on stereotypies and object recognition memory in a murine model of Alzheimer's disease. Etho-News 57: 28-29.

2006

Adrian, O (2006): Meerschweinchen; Gewöhnliches Wildmeerschweinchen; Wasserschwein. In: Brockhaus-Redaktion (ed.): Faszination Natur - Tiere, Band 7: Säugetiere: 418-421, 423.

Ambrée, O; Leimer, U; Herring, A; Görtz, N; Sachser, N; Heneka, MT; Paulus, W; Keyvani, K (2006): Reduction of amyloid angiopathy and Abeta plaque burden after enriched housing in TgCRND8 mice: involvement of multiple pathways. American Journal of Pathology 169(2): 544-552.

Ambrée, O; Touma, C; Görtz, N; Keyvani, K; Paulus, W; Palme, R; Sachser, N (2006): Activity changes and marked stereotypic behavior precede Abeta pathology in TgCRND8 Alzheimer mice. Neurobiology of Aging 27: 955-964.

Dallmann, R; Touma, C; Palme, R; Albrecht, U; Steinlechner, S (2006): Impaired daily glucocorticoid rhythm in Per1 (Brd) mice. Journal of Comparative Physiology A 192: 769-775.

Hennessy, MB; Hornschuh, G; Kaiser, S; Sachser, N (2006): Cortisol responses and social buffering: A study throughout the life span. Hormones and Behavior 49: 383-390.

Hennessy, MB; Neisen, G; Bullinger, KL; Kaiser, S; Sachser, N (2006): Social organization predicts nature of infant-adult interactions in two species of wild guinea pigs (Cavia aperea and Galea monasteriensis). Journal of Comparative Psychology 120: 12-18.

Kritzler, M; Lewejohann, L; Krüger, A; Raubal, M; Sachser, N (2006): An RFID-based tracking system for laboratory mice in a semi-natural environment. In: A. Schmidt, S. Spiekermann, A. Gershman, F. Michahelles (ed.): PTA2006 Workshop, PERVASIVE - pervasive technology applied real-world experiences with RFID and sensor networks. Dublin, Ireland.

Lewejohann, L; Reinhard, C; Schrewe, A; Brandewiede, J; Haemisch, A; Görtz, N; Schachner, M; Sachser, N (2006): Environmental Bias? Effects of Housing Conditions, Laboratory Environment, and Experimenter on Behavioral Tests. Genes Brain and Behavior 5: 64-72.

Stefanski, V; Sachser, N.; Holst v. D (2006): Sozialer Stress, Verhalten, Immunsystem und Krankheit. In: Straub, R.H. (ed.): Lehrbuch der klinischen Pathophysiologie komplexer chronischer Erkrankungen. Vandenhoeck & Ruprecht, Göttingen: 221-233.

Stock, C; Sachser, N (2006): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Hurrelmann, K.; Laaser, U.; Razum, O. (ed.): Handbuch Gesundheitswissenschaften 4.Auflage. Juventa, Weinheim, München: 93-116.

Adrian, O; Brockmann, I; Hohoff, C; Sachser, N (2005): Paternal behaviour in wild guinea pigs: A comparative study in three closely related species with different social and mating systems. Journal of Zoology (Lond.) 265: 97-105.

2005

Broom, DM; Reefmann, N (2005): Chicken welfare as indicated by lesions on carcases in supermarkets. British Poultry Science 46: 407-414.

Carter, SC; Ahnert, L; Grossmann, K; Hrdy, SB; Lamb, ME; Porges, SW; Sachser N (ed.) (2005): Attachment and Bonding: A New Synthesis. MIT Press, Cambridge.

Hagencord, R (2005): Diesseits von Eden. Verhaltensbiologische und theologische Argumente für eine neue Sicht der Tiere. Pustet-Verlag, Regensburg.

Kaiser, S; Sachser, N (2005): The effects of prenatal social stress on behaviour: Mechanisms and function. Neuroscience and Biobehavioral Reviews 29: 283-294.

Pedersen, CA; Ahnert,L; Anzenberger, G; Belsky, J; Draper, P; Fleming, AS; Grossmann, K; Sachser, N; Sommer, S; Tietze, DP; Young, LJ (2005): Beyond infant attachment: the origins of bonding later in life. In: Carter SC, Ahnert L, Grossmann K, Hrdy SB, Lamb ME, Porges SW, Sachser N (ed.): Attachment and Bonding: A New Synthesis. MIT Press, Cambridge: 385-427.

Sachser, N (2005): Adult social bonding: insights from studies in non-human mammals. In: Carter, CS; Ahnert, L; Grossmann, KE; Hrdy, SB; Lamb, ME; Porges, SW; Sachser, N (ed.): Attachment and Bonding: A New Synthesis. MIT Press, Cambridge: 119-135.

Schwarze-Eicker, K; Keyvani, K; Görtz, N; Westaway, D; Sachser, N; Paulus, W (2005): Prion protein (PrPc) promotes ß-amyloid plaque formation. Neurobiology of Aging 26(8): 1177-1182.

Wewers, D; Kaiser, S; Sachser, N (2005): Application of an antiandrogen during pregnancy infantilizes the male offsprings' behaviour. Behavioural Brain Research 158: 89-95.

2004

Asher, M; Oliveira, ES; Sachser, N (2004): Social system and spatial organization of wild guinea pigs (Cavia aperea) in a natural low density population. Journal of Mammalogy 85: 788-796.

Keyvani, K; Sachser, N; Witte, OW; Paulus, W (2004): Gene expression, profiling in the intact and injured brain environment enrichment. Journal of Neuropathology and Experimental Neurology 63 (6): 598-609.

Lewejohann, L; Skryabin, BV; Sachser, N; Prehn, C; Heiduschka, P; Thanos, S; Jordan, U; Dell'Omo, G; Vyssotski, AL; Pleskacheva, MG; Lipp, HP; Tiedge, H; Brosius, J; Prior, H (2004): Role of a neuronal small non-messenger RNA: behavioural alterations in BC1 RNA-deleted mice. Behavioural Brain Research 154: 273-289.

Marashi, V; Barnekow, A; Sachser, N (2004): Effects of environmental enrichment on males of a docile inbred strain of mice. Physiology & Behavior 82: 765-776.

Prior, H; Schwegler, H; Marashi, V; Sachser, N (2004): Exploration, emotionality, and hippocampal mossy fibers in nonaggressive AB/Gat and congenic highly aggressive mice. Hippocampus 14: 135-140.

Sachser, N (2004): Neugier, Spiel und Lernen: Verhaltensbiologische Anmerkungen zur Kindheit. Zeitschrift für Pädagogik 4: 475-486.

Sachser, N; Künzl, C; Kaiser, S (2004): The welfare of laboratory guinea pigs. In: Kalista, E (ed.): The welfare of laboratory animals. Kluwer Academic Publishers, Dordrecht, The Netherlands: 181-209.

Solmsdorff, K; Kock, D; Hohoff, C; Sachser, N (2004): Comments of the genus Galea Meyen 1833 with description of Galea monasteriensis n.sp. from Bolivia (Mammalia, Rodentia, Caviidae). Senckenbergiana biologica 84: 137-156.

Touma, C; Ambrée, O; Görtz, N; Keyvani, K; Lewejohann, L; Palme, R; Paulus, W; Schwarze-Eicker, K; Sachser, N (2004): Age- and sex-dependent development of adrenocortical hyperactivity in a transgenic mouse model of Alzheimer's disease. Neurobiology of Aging 25: 893-904.

Touma, C; Palme, R; Sachser, N (2004): Analyzing corticosterone metabolites in fecal samples of mice: A noninvasive technique to monitor stress hormones. Hormones and Behavior 45: 10-22.

Trillmich, F; Kraus, C; Künkele, J; Asher, M; Clara, M; Dekomien, G; Epplen, JT; Saralegui, A; Sachser, N (2004): Species-level differentiation of two cryptic species pairs of wild cavies, genera Cavia and Galea, with a discussion of the relationship between social systems and phylogeny in the Caviinae. Canadian Journal of Zoology 82: 516-524.

2003

Hohoff, C; Franzen, K; Sachser, N (2003): Female choice in a promiscuous wild guinea pig, the yellow-toothed cavy (Galea musteloides). Behavioral Ecology and Sociobiology 53: 341-349.

Künzl, C; Kaiser, S; Meier, E; Sachser, N (2003): Is a wild mammal kept and reared in captivity still a wild animal? Hormones and Behavior 43: 187-196.

Kaiser, S; Heemann, K; Straub, RH; Sachser, N (2003): The social environment affects behaviour and androgens, but not cortisol in pregnant female guinea pigs. Psychoneuroendocrinology 28: 67-83.

Kaiser, S; Kirtzeck, M; Hornschuh, G; Sachser, N (2003): Sex specific difference in social support - a study in female guinea pigs. Physiology & Behavior 79 (2): 297-303.

Kaiser, S; Kruijver, FPM; Straub, RH; Sachser, N; Swaab, DF (2003): Early social stress in male guinea pigs changes social behaviour, and autonomic and neuroendocrine functions. The Journal of Neuroendocrinology 15: 761-769.

Kaiser, S; Kruijver, FPM; Swaab, DF; Sachser, N (2003): Early social stress in female guinea pigs induces a masculinization of adult behavior and corresponding changes in brain and neuroendocrine function. Behavioural Brain Research 144: 199-210.

Kaiser, S; Nübold, T; Rohlmann, I; Sachser, N (2003): Pregnant female guinea pigs adapt easily to a new social environment irrespective of their rearing conditions. Physiology and Behavior 80: 147-153.

Knierim, U; Hesse, D; von Borell, E; Herrmann, HJ; Müller, C; Rauch, HW; Sachser, N; Zerbe, F (2003): Minimum standards for voluntary animal welfare assessment of mass-produced farm animal housing equipment. Animal Welfare 12: 75-84.

Marashi, V; Barnekow, A; Ossendorf, E; Sachser, N (2003): Effects of different forms of environmental enrichment on behavioral, stressphysiological, and immunological parameters in male mice. Hormones and Behavior 43: 281-292.

Sachser, N (2003): Soziale Umwelt, Verhalten und Stress: Erkenntnisse der modernen Verhaltensbiologie. In: Liebau, E; Peskoller, H; Wulf, C (ed.): Pädagogische Anthropologie. Band 13; Natur - Pädagogisch-anthropologische Perspektiven. Beltz Verlag, Weinheim, Basel, Berlin: 137-148.

Skryabin, BV; Sukonina, V; Jordan, U; Lewejohann, L; Sachser, N; Muslimov, I; Tiedge, H; Brosius, J (2003): Neuronal untranslated BC1 RNA: targeted gene elimination in mice. Molecular and Cellular Biology 23: 6435-6441.

Stock, C; Sachser, N (2003): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Klaus Hurrelmann; Ulrich Laaser (ed.): Handbuch Gesundheitswissenschaften 3. Auflage. Juventa Verlag, Weinheim; München: 175-195.

Touma, C; Sachser, N; Möstl, E; Palme, R (2003): Effects of sex and time of day on metabolism and excretion of corticosterone in urine and feces of mice. General and Comparative Endocrinology 130: 267-278.

Wewers, D; Kaiser, S; Sachser, N (2003): Maternal seperation in guinea pigs: a study in behavioural endocrinology. Ethology 109: 443-453.

2002

Hohoff, C; Solmsdorff, K; Löttker, P; Kemme, K; Epplen, JT; Cooper, TG; Sachser, N (2002): Monogamy in a new species of wild guinea pigs. Naturwissenschaften 89(10): 462-465.

Illies, I; Mühlen, W; Dücker, G; Sachser, N (2002): The influence of different bee traps on undertaking behaviour of the honey bee (Apis mellifera) and development of a new trap. Apidologie 33: 315-326.

Künzl, C; Meier, E; Sachser, N (2002): Verhaltensbiologische Untersuchungen zur Anpassung von Wildmeerschweinchen an den Hausstand. In: Gansloßer, U (ed.): Gruppenmechanismen. Filander-Verlag, Fürth: 153-158.

Sachser, N (2002): Faszination Verhaltensbiologie. Biologen heute 4: 2-7.

Sachser, N (2002): Verhaltensbiologische Untersuchungen zum Wohlergehen der Tiere. In: Gansloßer, U (ed.): Gruppenmechanismen. Filander-Verlag, Fürth: 153-158.

Sachser, N (2002): Die biologischen Grundlagen aggressiven Verhaltens. In: Bilstein, J; Winzen, M (ed.): Das Tier in mir. Die animalischen Ebenbilder des Menschen. Verlag der Buchhandlung Walter König, Köln: 101-113.

Schulze Westerath, H; Knierim, U; Sachser, N (2002): Lernfähigkeit, Furchtniveau und Entwicklungsstabilität von Masthühnern in angereicherter und konventioneller Haltung. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung. KTBL-Schrift, 407. Darmstadt: 92-101.

2001

Forkmann, B; Blokhuis, HJ; Broom, DM; Kaiser, S; Koolhaas, JM; Levine, S; Mendl, M; Plotsky, PM; Schedlowski, M (2001): Key sources of variability in coping. In: Broom, DM (ed.): Coping with challenge: welfare in animals including humans. Dahlem Workshop Report 87. Dahlem University Press, Berlin: 249-270.

Illies, I; Mühlen, W; Dücker, G; Sachser, N (2001): A study of undertaking behaviour of honey bees (Apis mellifera L.) by use of different bee traps. In: INRA (ed.): Hazards of pesticides to bees. Avignon (France), September 07-09, 1999. Paris: 237-244.

Kaiser, S; Sachser, N (2001): Social stress during pregnancy and lactation affects in guinea pigs the male offsprings' endocrine status and infantilizes their behaviour. Psychoneuroendocrinology 26: 503-519.

Kaiser, S; Sachser, N (2001): Stress und Wohlergehen. In: Praxis der Naturwissenschaften: Biologie in der Schule. Aulis Verlag Deubner, Köln: 15-20.

Kalthoff, A; Schmidt, C; Sachser, N (2001): Der Einfluss von Zoobesuchern auf das Verhalten und die Speichel-Corticosteronkonzentrationen von Zootieren. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 2000. KTBL-Schrift. Darmstadt: 104-112.

Knierim, U; Carter, CS; Fraser, D; Gärtner, K; Lutgendorf, SK; Mineka, S; Panksepp, J; Sachser, N (2001): Good welfare: improving quality of life. In: Broom, DM (ed.): Coping with challenge: welfare in animals including humans. Dahlem Workshop Report 87. Dahlem University Press, Berlin: 79-100.

Sachser, N (2001): What is important to achieve good welfare in animals? In: Broom, DM (ed.): Coping with challenge: welfare in animals including humans. Dahlem Workshop Report 87. Dahlem University Press, Berlin: 31-48.

Sachser, N (2001): Wechselwirkungen - Verhaltensbiologische Anmerkungen zur Natur des Menschen. Forschung & Lehre 10: 10-11.

Touma, C; Kurt, F (2001): Ethologische Untersuchungen zur Musth bei Elefantenbullen in Menschenhand. In: Kurt, F (ed.): Elefant in Menschenhand - Forschungsberichte aus Sri Lanka. Filander Verlag, Fürth: 185-196.

Touma, C; Palme, R; Sachser, N (2001): Different types of oestrus cycle in two closely related South American rodents (Cavia aperea and Galea musteloides) with different social and mating systems. Reproduction 121: 791-801.

2000

Cooper, TG; Weydert, S; Yeung, CH; Künzl, C; Sachser, N (2000): Maturation of epididymal spermatozoa in the non-domesticated guinea pigs Cavia aperea and Galea musteloides. Journal of Andrology 21 (1): 154-163.

Dücker, G et al. (2000): 100 Jahre Bernhard Rensch Biologe - Philosoph - Künstler. LIT Verlag, Münster, Hamburg, London.

Hesse, D; Knierim, U; von Borell, E; Herrmann, HJ; Koch, L; Müller, C; Rauch, HW; Sachser, N; Schwabenbauer, K; Zerbe, F (2000): Voluntary testing procedure of farm animal housing equipment with regard to animal welfare. In: AgEng Warwick 2000: full papers; agricultural engineering into the third millenium; 2000.07.02-07, Warwick. ESAE, Warwick: Paper Number 00-FB-044.

Hesse, D; Knierim, U; von Borell, E; Herrmann, HJ; Koch, L; Müller, C; Rauch, HW; Sachser, N; Zerbe, F (2000): Tiergerechtheit auf dem Prüfstand - Anforderungen an freiwillige Prüfverfahren gemäß §13a TierschG. Merkblatt der Deutschen Landwirtschaftlichen Gesellschaft e.V. 321: 1-16.

Künzl, C; Sachser, N (2000): Auswirkungen der Domestikation auf Verhalten und endokrine Anpassungsreaktionen beim Meerschweinchen. Archiv für Tierzucht, Dummerstorf 43 Sonderheft: 153-158.

Künzl, C; Sachser, N (2000): Sozialverhalten und soziale Organisation von Wild- und Hausmeerschweinchen. Tierlaboratorium 23: 100-111.

Kaiser, S; Brendel, H; Sachser, N (2000): Effects of ACTH applications during pregnancy on the female offsprings' endocrine status and behavior in guinea pigs. Physiology & Behaviour 70: 157-162.

Lewejohann, L; Sachser, N (2000): Präferenztests zur Beurteilung unterschiedlicher Haltungsbedingungen von männlichen Labormäusen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1999. KTBL Schrift 391. Darmstadt: 170-177.

Sachser, N (2000): Umwelt, Gene und Verhalten. In: Aufbruch der Biowissenschaften. In: vdbiol (ed.): Sammelband der Vorträge auf der Jahrestagung 2000 des Verbandes Deutscher Biologen und biowissenschaftlicher Fachgesellschaften - vdbiol. München: 190-194.

Schmidt, C (2000): Futterverteilung, Stallwechsel und Transport: Experimentelle Untersuchungen zu Verhalten und Belastungszustand bei im Zoo gehaltenen Breitmaulnashörnern, Ceratotherium simum simum. Schüling Verlag, Münster.

Wölbing, O; Asher, M; Bishr, Y; Kuhn, W; Sachser, N (2000): Applying GIS for investigations in behavioural biology. In: Strobl, J; Blaschke, T; Griesebner, G (ed.): Angewandte Geographische Informationsverarbeitung XII, Beiträge zum AGIT-Symposium Salzburg 2000. Herbert Wichmann Verlag, Heidelberg: 520-528.

1999

Hesse, D; Knierim, U; von Borell, E; Herrmann, HJ; Koch, L; Müller, C; Rauch, HW; Sachser, N; Schwabenbauer, K; Zerbe, F (1999): Freiwilliges Prüfverfahren für Stalleinrichtungen entsprechend dem novellierten Tierschutzgesetz von 1998. Deutsche tierärztliche Wochenschrift 106: 138-141.

Künzl, C; Meier, E; Sachser, N (1999): Ist ein Wildmeerschweinchen in Menschenhand noch ein Wildtier? In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1998. KTBL-Schrift 382. Darmstadt: 107-114.

Künzl, C; Sachser, N (1999): The behavioural endocrinology of domestication: a comparison between the domestic guinea pig (Cavia aperea f. porcellus) and its wild ancestor, the cavy (Cavia aperea). Hormones & Behavior 35: 28-37.

Kaiser, S; Classen, D; Sachser, N (1999): Auswirkungen unterschiedlicher struktureller Anreicherungen auf das Spontanverhalten weiblicher Labormäuse (Stamm NMRI). In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1998. KTBL-Schrift 382. Darmstadt: 56-62.

Keil, A; Epplen, JT; Sachser, N (1999): Reproductive success of males in the promiscuous-mating yellow-toothed cavy (Galea musteloides). Journal of Mammalogy 80(4): 1257-1263.

Sachser, N (1999): Sozialverhalten und Wohlergehen von Säugetieren in der Stadt. In: Helmstädter, E; Mohrmann, RE (ed.): Lebensraum Stadt. LIT Verlag, Münster: 59-71.

Sachser, N; Schwarz-Weig, E; Keil, A; Epplen, JT (1999): Behavioural strategies, testis size, and reproductive success in two caviomorph rodents with different mating systems. Behaviour 136: 1203-1217.

Scherbring, C; Künzl, C; Zeeb, K; Sachser, N (1999): Untersuchungen zur Kommunikation zwischen Mensch und Pferd mit Hilfe von Ohrenattrappen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1998. KTBL-Schrift 382. Darmstadt: 99-106.

1998

Blühdorn, I (1998): Auswirkungen potentieller Störreize auf das Verhalten brütender und jungeführender Kiebitze. Vogelwelt 119: 105-113.

Kaiser, S; Maicher, P; Classen, D; Sachser, N (1998): Auswirkungen von Umweltanreicherungen auf das Verhalten von Labormäusen. In: Juhr, NC et al. (ed.): Schriftenreihe Tierlaboratorium Vol. 21. Berlin: 63-69.

Kaiser, S; Sachser, N (1998): The social environment during pregnancy and lactation affects the female offsprings' endocrine status and behaviour in guinea pigs. Physiology & Behavior 63: 361-366.

Kaiser, S; Sachser, N (1998): Die pränatale Beeinflussung von Verhalten und Physiologie bei Hausmeerschweinchen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1997. KTBL Schrift 380. Darmstadt: 164-172.

Keil, A; Sachser, N (1998): Reproductive benefits from female promiscuous mating in a small mammal. Ethology 104: 897-903.

Marashi, V; Schneider-Stock, R; Epplen, JT; Sachser, N (1998): Die ethologische Charakterisierung zweier nahverwandter Mäuse-Inzuchtstämme: Ein Beitrag zur Molekulargenetik komplexen Verhaltens. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1997. KTBL Schrift 380. Darmstadt: 155-163.

Sachser, N (1998): Of domestic and wild guinea pigs: studies in sociophysiology, domestication, and social evolution. Naturwissenschaften 85: 307-317.

Sachser, N (1998): Was bringen Präferenztests? In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1997. KTBL Schrift 380. Darmstadt: 9-20.

Sachser, N; Dürschlag, M; Hirzel, D (1998): Social relationships and the management of stress. Psychoneuroendocrinology 23(8): 891-904.

Sauerland, M; Dehnhardt, G (1998): Underwater audiogram of a tucuxi (sotalia fluviatilis guianensis). The Journal of the Acoustical Society of America 103 (2): 1199-1204.

Stock, C; Sachser, N (1998): Humanbiologische Grundlagen der Gesundheitswissenschaften. In: Hurrelmann, K; Laaser, U (ed.): Handbuch Gesundheitswissenschaften 2. Auflage. Juventa Verlag, Weinheim und München: 175-195.

1997

Dücker, G (1997): Die Tierpsychologie von Bernhard Rensch. In: Bernhard Rensch: Biologe und Philosoph. Dialogverlag presse+medienservice, Münster: 25-38.

Holtkötter, M (1997): Wie Affen denken. Kognitive Prozesse beim Lösen von Problembox-Aufgaben - Untersuchungen mit verschiedenen Primaten. Verlag Natur & Wissenschaft, Solingen.

Künzl, C; Sachser, N (1997): Verhaltensbiologische Untersuchungen zur Domestikation des Meerschweinchens. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1996. KTBL Schrift 376. Darmstadt: 99-109.

Keil, S; Sachser, N (1997): Haltungsbedingungen und Wohlergehen bei Meerschweinchen. In: Juhr NC et al. (ed.): Schriftenreihe Tierlaboratorium Vol. 20. Berlin: 45-52.

Prior, H; Schwegler, H; Dücker, G (1997): Dissociation of spatial reference memory, spatial working memory, and hippocampal mossy fiber distribution in two rat strains differing in emotionality. Behavioural Brain Research 87: 183-194.

Sachser, N; Kaiser, S (1997): The social environment, behaviour and stress - a case study in guinea pigs. Acta Physiologica Scandinavica 161, Supplement 640: 83-87.

Schmidt, C; Sachser, N (1997): Auswirkungen unterschiedlicher Futterverteilungen auf Verhalten und Speichel-Streßhormonkonzentrationen von Breitmaulnashörnern im Allwetterzoo Münster. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1996. KTBL Schrift 376. Darmstadt: 188-198.

1996

Dücker, G; Prior, H; Sauerland, M; Schlagheck, G; Schüling, K (1996): Analyse des Lernverhaltens eintragemotivierter Mäuse (Stamm NMRI) bei manipulativen Problemlöseaufgaben. Zoologische Beiträge 37: 49-76.

Dehnhardt, G; Dücker, G (1996): Tactual discrimination of size and shape by a california sea lion (Zalophus californianus). Animal Learning and Behavior 24.4: 366-374.

Sachser, N; Kaiser, S (1996): Prenatal social stress masculinizes the females' behaviour in guinea pigs. Physiology & Behavior 60: 589-594.

Schwarz-Weig, E; Sachser, N (1996): Social behaviour, mating system and testes size in cuis (Galea musteloides). Zeitschrift für Säugetierkunde 61: 25-38.

1995

Dehnhardt, G; Kaminski, A (1995): Sensitivity of the mystacial vibrissae of harbour seals (Phoca vitulina) for size differences of actively touched objects. Journal of Experimental Biology 198: 2317-2323.

Prior, H; Sachser, N (1995): Effects of enriched housing environment on the behaviour of young male and female mice in four exploratory tasks. Journal of Experimental Animal Science 37: 57-68.

Sachser, N; Beer, R (1995): Long-term influences of social situation and socialisation on adaptability in behaviour. In: Gansloßer, U; Hodges, JK; Kaumanns, W (ed.): Research and Captive Propagation. Filander Verlag, Fürth: 207-214.

1994

Beer, R; Kaiser, S; Sachser, N; Stanzel, K (1994): Merkblatt zur tierschutzgerechten Haltung von Versuchstieren: Meerschweinchen. Tierärztliche Vereinigung für Tierschutz.

Dehnhardt, G (1994): Tactile size discrimination by a california sea lion (Zalophus californianus) using its mystical vibrissae. Journal comparative Physiology A 175: 791-800.

Sachser, N (1994): Social stratification and health in non-human mammals - a case study in guinea pigs. In: Ellis, L (ed.): Social Stratification and Socioeconomic Inequality Vol. 2. Praeger, Westport: 113-121.

Sachser, N (1994): Sozialphysiologische Untersuchungen an Hausmeerschweinchen. Gruppenstrukturen, soziale Situation und Endokrinium, Wohlergehen. Verlag Paul Parey, Hamburg und Berlin.

Sachser, N; Lick, C; Stanzel, K (1994): The environment, hormones and aggressive behaviour - a five-year-study in guinea pigs. Psychoneuroendocrinology 19: 697-707.

1993

Beer, R; Sachser, N (1993): Social structure and welfare in all male-groups of guinea pigs. In: Nichelmann, M et al. (ed.): Proceedings of the International Congress of Applied Ethology. Berlin: 254-258.

Kaiser, S; Sachser, N (1993): Effects of the social environment during pregnancy of guinea pigs on the behaviour of their female offspring. In: Nichelmann M et al. (ed.): Proceedings of the International Congress of Applied Ethology. Berlin: 396-398.

Sachser, N (1993): The ability to arrange with conspecifics depends on social experiences around puberty. Physiology & Behavior 53: 539-544.

Sachser, N (1993): Verhalten als Anpassungsleistung aus Sicht der ethologischen Grundlagenforschung. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1992. KTBL Schrift 356. Darmstadt: 21-41.

Sachser, N (1993): Verhalten als Anpassungsleistung aus Sicht der ethologischen Grundlagenforschung. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1992. KTBL-Schrift 356. Darmstadt: 21-41.

Sachser, N; Renninger, SV (1993): Coping with social conflict: the role of rearing conditions in guinea pigs. Ethology, Ecology & Evolution 5: 65-74.

Stanzel, K; Sachser, N (1993): The ontogeny of male guinea pigs living under different housing conditions. In: Nichelmann, M et al. (ed.): Proceedings of the International Congress of Applied Ethology. Berlin: 92-96.

1992

Beer, R; Sachser, N (1992): Sozialstruktur und Wohlergehen in Männchengruppen des Hausmeerschweinchens. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1991. KTBL-Schrift 351. Darmstadt: 158-167.

1991

Sachser, N (1991): Die Bedeutung der Aufzuchtbedingungen für Verhalten und Physiologie männlicher Hausmeerschweinchen. In: Aktuelle Arbeiten zur artgemäßen Tierhaltung 1990. KTBL-Schrift 344. Darmstadt: 59-69.

Sachser, N; Lick, C (1991): Social experience, behavior, and stress in guinea pigs. Physiology & Behavior 50: 83-90.

1990

Sachser, N (1990): Social organization, social status, behavioral strategies and endocrine responses in male guinea pigs. In: Balthazart (ed.): Hormones, Brain and Behaviour in Vertebrates. Comparative Physiology vol. 9. Karger, Basel: 176-187.

Sachser, N; Lick, C (1990): Haltungsbedingungen und Wohlergehen bei Hausmeerschweinchen. Wissenschaftliche Zeitschrift der Humboldt-Universität zu Berlin, Reihe Math./Nat. Wiss. 39: 346-351.

1988

Sachser, N; Pröve, E (1988): Plasma-testosterone development in colony and individually housed male guinea pigs. Ethology 79: 62-70.

1987

Sachser, N (1987): Short-term responses of plasma norepinephrine, epinephrine, glucocorticoid and testosterone titers to social and non-social stressors in male guinea pigs of different social status. Physiology & Behavior 39: 11-20.

West-Eberhardt, MJ; Bradbury, JW; Davies, NB; Gouyon, PH; Hammerstein, P; König, B; Parker, GA; Queller, DC; Sachser, N; Slagsvold, T; Trillmich, F; Vogel, C (1987): Conflicts between and within the sexes in sexual selection. In: Sexual selection:Testing the alternatives. John Wiley & Sons, Chinchester: 180-195.

1986

Sachser, N (1986): Different forms of social organization at high and low population densities in guinea pigs. Behaviour 97: 253-272.

Sachser, N (1986): The effects of long-term isolation on physiology and behavior in male guinea pigs. Physiology & Behavior 38: 31-39.

Sachser, N; Pröve E (1986): Social status and plasma-testosterone titers in male guinea pigs (Cavia aperea f. porcellus). Ethology 71: 103-114.

1984

Sachser, N; Pröve, E (1984): Short-term effects of residence on the testosterone responses to fighting in alpha male guinea pigs. Aggressive Behaviour 10: 285-292.

1983

Sachser, N (1983): Soziale Beziehungen, räumliche Organisation und Verteilung agonistischer Interaktionen in einer Gruppe von Hausmeerschweinchen (Cavia aperea f. porcellus). Zeitschrift für Säugetierkunde 48: 100-109.

1982

Sachser, N; Hendrichs, H (1982): A longitudinal study on the social structure and its dynamics in a group of guinea pigs (Cavia aperea f. porcellus). Säugetierkundliche Mitteilungen 30: 227-240.