Carsten Schradin

Summary

Affiliation: University of Cape Town
Country: South Africa

Publications

  1. ncbi request reprint Mothers, not fathers, determine the delayed onset of male carrying in Goeldi's monkey (Callimico goeldii)
    Carsten Schradin
    Anthropologisches Institut und Museum, Universitat Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
    J Hum Evol 45:389-99. 2003
  2. doi request reprint Seasonal changes in testosterone and corticosterone levels in four social classes of a desert dwelling sociable rodent
    Carsten Schradin
    Department of Animal Behavior, University of Zurich, Winterthurerstr 190, 8057 Zurich, Switzerland
    Horm Behav 53:573-9. 2008
  3. ncbi request reprint Paternal care in the social and diurnal striped mouse (Rhabdomys pumilio): laboratory and field evidence
    Carsten Schradin
    Ecophysiological Studies Research Group, School of Animal, Plant and Environmental Sciences, University of Witwatersrand, Johannesburg, South Africa
    J Comp Psychol 117:317-24. 2003
  4. ncbi request reprint The striped mouse (Rhabdomys pumilio) from the succulent karoo, South Africa: a territorial group-living solitary forager with communal breeding and helpers at the nest
    Carsten Schradin
    Ecophysiological Studies Research Group, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa
    J Comp Psychol 118:37-47. 2004
  5. ncbi request reprint Prolactin levels in paternal striped mouse (Rhabdomys pumilio) fathers
    Carsten Schradin
    Ecophysiological Studies Research Group, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa
    Physiol Behav 81:43-50. 2004
  6. doi request reprint Reproductive competition favours solitary living while ecological constraints impose group-living in African striped mice
    Carsten Schradin
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstr 190, 8057 Zurich, Switzerland
    J Anim Ecol 79:515-21. 2010
  7. doi request reprint Experimental increase of testosterone levels in free-ranging juvenile male African striped mice (Rhabdomys pumilio) induces physiological, morphological, and behavioral changes
    Julien Raynaud
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland
    Gen Comp Endocrinol 178:108-15. 2012
  8. ncbi request reprint Prolactin and paternal care: comparison of three species of monogamous new world monkeys (Callicebus cupreus, Callithrix jacchus, and Callimico goeldii)
    Carsten Schradin
    Anthropologisches Institut und Museum, Zurich, Switzerland
    J Comp Psychol 117:166-75. 2003
  9. doi request reprint Testosterone levels in dominant sociable males are lower than in solitary roamers: physiological differences between three male reproductive tactics in a sociably flexible mammal
    Carsten Schradin
    Institute of Zoology, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland
    Am Nat 173:376-88. 2009
  10. pmc Basal blood glucose concentration in free-living striped mice is influenced by food availability, ambient temperature and social tactic
    Carsten Schradin
    University of Strasbourg Institute for Advanced Study USIAS, Strasbourg, France CNRS, UMR7178, 67087 Strasbourg, France School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
    Biol Lett 11:20150208. 2015

Detail Information

Publications26

  1. ncbi request reprint Mothers, not fathers, determine the delayed onset of male carrying in Goeldi's monkey (Callimico goeldii)
    Carsten Schradin
    Anthropologisches Institut und Museum, Universitat Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
    J Hum Evol 45:389-99. 2003
    ..We suggest that one ultimate explanation for that delay might be increased infant mortality when infant transfer starts at an earlier stage...
  2. doi request reprint Seasonal changes in testosterone and corticosterone levels in four social classes of a desert dwelling sociable rodent
    Carsten Schradin
    Department of Animal Behavior, University of Zurich, Winterthurerstr 190, 8057 Zurich, Switzerland
    Horm Behav 53:573-9. 2008
    ..Variation in the pattern of hormonal secretion in striped mice might assist them to cope with seasonal changes in energy demand in a desert habitat...
  3. ncbi request reprint Paternal care in the social and diurnal striped mouse (Rhabdomys pumilio): laboratory and field evidence
    Carsten Schradin
    Ecophysiological Studies Research Group, School of Animal, Plant and Environmental Sciences, University of Witwatersrand, Johannesburg, South Africa
    J Comp Psychol 117:317-24. 2003
    ....
  4. ncbi request reprint The striped mouse (Rhabdomys pumilio) from the succulent karoo, South Africa: a territorial group-living solitary forager with communal breeding and helpers at the nest
    Carsten Schradin
    Ecophysiological Studies Research Group, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa
    J Comp Psychol 118:37-47. 2004
    ..Group living in the succulent karoo is possibly due to ecological constraints imposed by habitat saturation because of a year-round stable food supply as well as associated benefits of philopatry...
  5. ncbi request reprint Prolactin levels in paternal striped mouse (Rhabdomys pumilio) fathers
    Carsten Schradin
    Ecophysiological Studies Research Group, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Private Bag 3, Wits 2050, South Africa
    Physiol Behav 81:43-50. 2004
    ..This is the first study to demonstrate seasonal changes in prolactin levels in a free-living male mammal...
  6. doi request reprint Reproductive competition favours solitary living while ecological constraints impose group-living in African striped mice
    Carsten Schradin
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstr 190, 8057 Zurich, Switzerland
    J Anim Ecol 79:515-21. 2010
    ....
  7. doi request reprint Experimental increase of testosterone levels in free-ranging juvenile male African striped mice (Rhabdomys pumilio) induces physiological, morphological, and behavioral changes
    Julien Raynaud
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland
    Gen Comp Endocrinol 178:108-15. 2012
    ..We conclude that testosterone can induce sexual maturation and causes juvenile males to increase their home ranges, maybe to search for dispersal opportunities...
  8. ncbi request reprint Prolactin and paternal care: comparison of three species of monogamous new world monkeys (Callicebus cupreus, Callithrix jacchus, and Callimico goeldii)
    Carsten Schradin
    Anthropologisches Institut und Museum, Zurich, Switzerland
    J Comp Psychol 117:166-75. 2003
    ..In conclusion, species differences in the patterns of prolactin secretion were evident and reflect the different paternal roles...
  9. doi request reprint Testosterone levels in dominant sociable males are lower than in solitary roamers: physiological differences between three male reproductive tactics in a sociably flexible mammal
    Carsten Schradin
    Institute of Zoology, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland
    Am Nat 173:376-88. 2009
    ..Our results suggest that dominant males' testosterone levels reflect a trade-off between low testosterone amicable behavior and high testosterone dominance behavior...
  10. pmc Basal blood glucose concentration in free-living striped mice is influenced by food availability, ambient temperature and social tactic
    Carsten Schradin
    University of Strasbourg Institute for Advanced Study USIAS, Strasbourg, France CNRS, UMR7178, 67087 Strasbourg, France School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
    Biol Lett 11:20150208. 2015
    ..Our results suggest that adaptive responses of bBGC occur and we found large natural variation, indicating that bBGC spans a far greater homeostatic range than previously thought. ..
  11. doi request reprint Staying put or leaving home: endocrine, neuroendocrine and behavioral consequences in male African striped mice
    Carsten Schradin
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
    Horm Behav 63:136-43. 2013
    ....
  12. doi request reprint Better off alone! Reproductive competition and ecological constraints determine sociality in the African striped mouse (Rhabdomys pumilio)
    Ivana Schoepf
    Department of Animal Behaviour, Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, Zurich 8057, Switzerland
    J Anim Ecol 81:649-56. 2012
    ..9. Our study provides experimental evidence that reproductive competition within groups can lead to dispersal and solitary-living...
  13. ncbi request reprint Development of prolactin levels in marmoset males: from adult son to first-time father
    Carsten Schradin
    Anthropologisches Institut und Museum, CH 8057 Zurich, Switzerland
    Horm Behav 46:670-7. 2004
    ....
  14. doi request reprint Hormone levels of male African striped mice change as they switch between alternative reproductive tactics
    Carsten Schradin
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
    Horm Behav 60:676-80. 2011
    ..These results are in agreement with the hypothesis that changes in hormone levels are associated with the switch from one alternative reproductive tactic to another...
  15. pmc Differences in prolactin levels between three alternative male reproductive tactics in striped mice (Rhabdomys pumilio)
    Carsten Schradin
    Department of Animal Behavior, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
    Proc Biol Sci 275:1047-52. 2008
    ..These results are in agreement with the hypothesis that prolactin is one proximate mechanism of male reproductive tactics, possibly regulating differences in male parental care...
  16. doi request reprint Alternative reproductive tactics in female striped mice: heavier females are more likely to breed solitarily than communally
    Davina L Hill
    School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Private Bag 3, Wits 2050, Johannesburg, South Africa
    J Anim Ecol 84:1497-508. 2015
    ..Future studies should consider the possibility that phenotypes that superficially resemble evolved tactics might also arise through non-adaptive extrinsic causes. ..
  17. doi request reprint Differential investment into testes and sperm production in alternative male reproductive tactics of the African striped mouse (Rhabdomys pumilio)
    Carsten Schradin
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstr 190, 8057 Zurich, Switzerland
    Horm Behav 61:686-95. 2012
    ....
  18. doi request reprint Social flexibility and social evolution in mammals: a case study of the African striped mouse (Rhabdomys pumilio)
    Carsten Schradin
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
    Mol Ecol 21:541-53. 2012
    ..Social flexibility is regarded as an adaptation to unpredictably changing environments, selecting for high phenotypic flexibility based on a broad reaction norm, not on genetic polymorphism for specific tactics...
  19. doi request reprint Alternative reproductive tactics in female striped mice: Solitary breeders have lower corticosterone levels than communal breeders
    Davina L Hill
    School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Private Bag 3, Wits 2050, Johannesburg, South Africa Electronic address
    Horm Behav 71:1-9. 2015
    ..Our study demonstrates hormonal differences between females following (or about to follow) different tactics, and provides the first support for the RPH in females. ..
  20. doi request reprint Arginine vasopressin plasma levels change seasonally in African striped mice but do not differ between alternative reproductive tactics
    Ivana Schoepf
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa
    Gen Comp Endocrinol 204:43-8. 2014
    ..Plasma AVP levels were not correlated with testosterone or corticosterone levels. Our study underlines the important role that AVP plays in osmoregulation, particularly for a free ranging mammal living under harsh arid conditions. ..
  21. doi request reprint Leptin levels in free ranging striped mice (Rhabdomys pumilio) increase when food decreases: the ecological leptin hypothesis
    Carsten Schradin
    Universite de Strasbourg, IPHC DEPE, 23 rue Becquerel, 67087 Strasbourg, France CNRS, UMR 7178, 67087 Strasbourg, France School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa Electronic address
    Gen Comp Endocrinol 206:139-45. 2014
    ..In sum, our study indicates that in a species with seasonal fattening, leptin levels might be uncoupled from the amount of adipose tissue. ..
  22. doi request reprint Experimental increase of testosterone increases boldness and decreases anxiety in male African striped mouse helpers
    Julien Raynaud
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland Electronic address
    Physiol Behav 129:57-63. 2014
    ..The philopatric males were sensitive to our testosterone treatment for dispersal- and anxiety-like behavior but insensitive for social behaviors. Our results suggest a role of testosterone in dispersal. ..
  23. doi request reprint Endocrinology of sociality: comparisons between sociable and solitary individuals within the same population of African striped mice
    Ivana Schoepf
    Department of Animal Behaviour, Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
    Horm Behav 64:89-94. 2013
    ..The switch to solitary-living may thus be a tactic to avoid reproductive competition within groups, and is associated with decreased stress hormone levels and onset of independent reproduction...
  24. doi request reprint Relative fitness of alternative male reproductive tactics in a mammal varies between years
    Carsten Schradin
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Winterthurerstr 190, 8057 Zurich, Switzerland
    J Anim Ecol 80:908-17. 2011
    ..9. We suggest the term single strategy, independent of current fitness consequences, for systems where tactics are not genetically determined, in contrast to genetically determined alternative strategies...
  25. ncbi request reprint Comments to K.E. Wynne-Edwards and M.E. Timonin 2007. Paternal care in rodents: Weakening support of hormonal regulation of the transition to behavioral fatherhood in rodent animal models of biparental care, Horm & Behav 52: 114-121
    Carsten Schradin
    Horm Behav 52:557-9; author reply 560. 2007
  26. ncbi request reprint Radiographic evaluation of neonatal skeletal development in Callimico goeldii reveals closer similarity to Callithrix jacchus than to Saguinus oedipus
    Maria Ines Hofmann
    Institute of Anatomy, University of Zurich, Zurich, Switzerland
    Am J Primatol 69:420-33. 2007
    ..jacchus than to S. oedipus. This is the first morphological study to support the findings of molecular studies, and the results suggest that C. goeldii is more closely related to marmosets than to tamarins...