Tong G Groothuis

Summary

Affiliation: University of Groningen
Country: The Netherlands

Publications

  1. ncbi request reprint Social stimuli, testosterone, and aggression in gull chicks: support for the challenge hypothesis
    Albert F H Ros
    Eco and Ethology Research Group, Instituto Superior de Psicologia Aplicada, Rua Jardim do Tabaco 34, 1149 041 Lisbon, Portugal
    Horm Behav 41:334-42. 2002
  2. ncbi request reprint Maternal androgens in egg yolks: relation with sex, incubation time and embryonic growth
    Corine M Eising
    Department of Animal Behaviour, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Gen Comp Endocrinol 132:241-7. 2003
  3. ncbi request reprint Investigating maternal hormones in avian eggs: measurement, manipulation, and interpretation
    Ton G G Groothuis
    Department of Behavioural Biology, University of Groningen, P O Box 9750, AA Haren, The Netherlands
    Ann N Y Acad Sci 1046:168-80. 2005
  4. ncbi request reprint Measuring steroid hormones in avian eggs
    Nikolaus von Engelhardt
    Research Group Animal Behaviour, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Ann N Y Acad Sci 1046:181-92. 2005
  5. pmc Sex-specific effects of yolk testosterone on survival, begging and growth of zebra finches
    Nikolaus von Engelhardt
    Research Group Animal Behaviour, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Proc Biol Sci 273:65-70. 2006
  6. ncbi request reprint Multiple pathways of maternal effects in black-headed gull eggs: constraint and adaptive compensatory adjustment
    T G G Groothuis
    Zoological Laboratory, Research Group Behavioural Biology, University of Groningen, Groningen, The Netherlands
    J Evol Biol 19:1304-13. 2006
  7. ncbi request reprint The hormonal control of begging and early aggressive behavior: experiments in black-headed gull chicks
    Ton G G Groothuis
    Department of Behavioural Biology, Biological Centre, University of Groningen, Kerklaan 30, 9750 AA Haren, The Netherlands
    Horm Behav 48:207-15. 2005
  8. ncbi request reprint Maternal hormones as a tool to adjust offspring phenotype in avian species
    Ton G G Groothuis
    Department of Behavioural Biology, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Neurosci Biobehav Rev 29:329-52. 2005
  9. ncbi request reprint Avian personalities: characterization and epigenesis
    Ton G G Groothuis
    Animal Behaviour Group, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Neurosci Biobehav Rev 29:137-50. 2005
  10. pmc Balancing between costs and benefits of maternal hormone deposition in avian eggs
    Tong G Groothuis
    Department of Animal Behaviour, University of Groningen, PO Box 14, 9750 AA Haren, The Netherlands
    Biol Lett 1:78-81. 2005

Detail Information

Publications26

  1. ncbi request reprint Social stimuli, testosterone, and aggression in gull chicks: support for the challenge hypothesis
    Albert F H Ros
    Eco and Ethology Research Group, Instituto Superior de Psicologia Aplicada, Rua Jardim do Tabaco 34, 1149 041 Lisbon, Portugal
    Horm Behav 41:334-42. 2002
    ..Furthermore we suggest that a phase of priming with T is necessary to obtain the high behavioral responsiveness to a challenge...
  2. ncbi request reprint Maternal androgens in egg yolks: relation with sex, incubation time and embryonic growth
    Corine M Eising
    Department of Animal Behaviour, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Gen Comp Endocrinol 132:241-7. 2003
    ..We conclude that it is unlikely that maternal androgens are a key factor in the avian sex determination mechanism...
  3. ncbi request reprint Investigating maternal hormones in avian eggs: measurement, manipulation, and interpretation
    Ton G G Groothuis
    Department of Behavioural Biology, University of Groningen, P O Box 9750, AA Haren, The Netherlands
    Ann N Y Acad Sci 1046:168-80. 2005
    ..Finally, it is concluded that this field has shown much progress but that it would profit from a more careful consideration of methodology and from a better integration of behavioral ecology and endocrinology...
  4. ncbi request reprint Measuring steroid hormones in avian eggs
    Nikolaus von Engelhardt
    Research Group Animal Behaviour, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Ann N Y Acad Sci 1046:181-92. 2005
    ..We conclude that the addressed issues need more attention for the correct interpretation of differences in hormone levels within and between studies...
  5. pmc Sex-specific effects of yolk testosterone on survival, begging and growth of zebra finches
    Nikolaus von Engelhardt
    Research Group Animal Behaviour, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Proc Biol Sci 273:65-70. 2006
    ..The results show that variation in maternal testosterone can play an important role in avian sex allocation due to its sex-specific effects on offspring begging and growth...
  6. ncbi request reprint Multiple pathways of maternal effects in black-headed gull eggs: constraint and adaptive compensatory adjustment
    T G G Groothuis
    Zoological Laboratory, Research Group Behavioural Biology, University of Groningen, Groningen, The Netherlands
    J Evol Biol 19:1304-13. 2006
    ..The latter may be adaptive since it re-allocates the chick's investment from costly immune function to growth and competitive skills, necessary to overcome the consequences of hatching late from an egg of reduced quality...
  7. ncbi request reprint The hormonal control of begging and early aggressive behavior: experiments in black-headed gull chicks
    Ton G G Groothuis
    Department of Behavioural Biology, Biological Centre, University of Groningen, Kerklaan 30, 9750 AA Haren, The Netherlands
    Horm Behav 48:207-15. 2005
    ..It is discussed to what extent older chicks may avoid these costs by converting testosterone to estrogen and why pre-natal and post-natal exposure to androgens differ in their effect on begging behavior...
  8. ncbi request reprint Maternal hormones as a tool to adjust offspring phenotype in avian species
    Ton G G Groothuis
    Department of Behavioural Biology, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Neurosci Biobehav Rev 29:329-52. 2005
    ..The field would greatly benefit from an analysis of the underlying physiological mechanisms...
  9. ncbi request reprint Avian personalities: characterization and epigenesis
    Ton G G Groothuis
    Animal Behaviour Group, University of Groningen, P O Box 14, 9750 AA Haren, The Netherlands
    Neurosci Biobehav Rev 29:137-50. 2005
    ..These data suggest that variation in selection pressure in time and space and assortative mating are plausible mechanisms accounting for the maintenance of different behavioral profiles within the same population...
  10. pmc Balancing between costs and benefits of maternal hormone deposition in avian eggs
    Tong G Groothuis
    Department of Animal Behaviour, University of Groningen, PO Box 14, 9750 AA Haren, The Netherlands
    Biol Lett 1:78-81. 2005
    ..Thus, mothers face a trade-off between these costs and benefits and may tune hormone deposition to prevailing conditions that influence chick survival...
  11. pmc Hormone-mediated maternal effects in birds: mechanisms matter but what do we know of them?
    Ton G G Groothuis
    Behavioural Biology, University of Groningen, 9750 AA Haren, The Netherlands
    Philos Trans R Soc Lond B Biol Sci 363:1647-61. 2008
    ..We urge endocrinologists to embark on suggested mechanistic studies and behavioural ecologists to adjust their interpretations to accommodate the current knowledge of mechanisms...
  12. pmc Avian mothers create different phenotypes by hormone deposition in their eggs
    Corine M Eising
    Behavioural Biology, University of Groningen, PO Box 14, 9750 AA Haren, The Netherlands
    Biol Lett 2:20-2. 2006
    ....
  13. pmc Does testosterone affect lateralization of brain and behaviour? A meta-analysis in humans and other animal species
    Kristina A Pfannkuche
    Behavioural Biology, University of Groningen, Kerklaan 30, Haren, The Netherlands
    Philos Trans R Soc Lond B Biol Sci 364:929-42. 2009
    ..None of the four hypotheses was sufficiently supported and more studies, testing a wider array of functions in different taxa while reporting the data more completely are needed...
  14. pmc Sex differences in yolk hormones depend on maternal social status in Leghorn chickens (Gallus gallus domesticus)
    Wendt Müller
    Department of Animal Behavior, University of Groningen, PO Box 14, 9750 AA Haren, Groningen, The Netherlands
    Proc Biol Sci 269:2249-55. 2002
    ..Differential androgen deposition might thus provide a mechanism for adaptive maternal investment depending on both the sex of the egg and the social status of the mother...
  15. ncbi request reprint Steroids for free? No metabolic costs of elevated maternal androgen levels in the black-headed gull
    Corine M Eising
    Dept of Animal Behaviour, University of Groningen, PO Box 14, 9750 AA, Haren, The Netherlands
    J Exp Biol 206:3211-8. 2003
    ..Males showed a lower RMR than females towards the fledging age. We conclude that it is unlikely that the costs of high maternal androgen levels can be found in higher energy expenditure in the chick...
  16. ncbi request reprint Effects of 17-beta-estradiol treatment of female zebra finches on offspring sex ratio and survival
    Nikolaus von Engelhardt
    Research Group Animal Behaviour, University of Groningen, 9750 AA Haren, The Netherlands
    Horm Behav 45:306-13. 2004
    ..They indicate that maternal estradiol differentially affects survival of sons and daughters via an influence on the embryonic environment, possibly enhancing offspring growth...
  17. pmc Maternal yolk androgens stimulate territorial behaviour in black-headed gull chicks
    Wendt Müller
    Behavioural Biology, University of Groningen, The Netherlands
    Biol Lett 5:586-8. 2009
    ....
  18. doi request reprint Experience modulates both aromatase activity and the sensitivity of agonistic behaviour to testosterone in black-headed gulls
    Albert F H Ros
    Department of Behavioural Biology, Biological Centre, University of Groningen, Kerklaan 30, 9750 AA Haren, The Netherlands
    Physiol Behav 97:30-5. 2009
    ..The results indicate that social experience can modulate the increase of social behaviour to testosterone via modulation of aromatase activity and independently of actual hormone levels...
  19. doi request reprint Steroids in chicken egg yolk: metabolism and uptake during early embryonic development
    Nikolaus von Engelhardt
    Behavioural Biology, University of Groningen, Kerklaan 30, 9750 AA Haren, The Netherlands
    Gen Comp Endocrinol 163:175-83. 2009
    ....
  20. pmc Prenatal androgen exposure modulates cellular and humoral immune function of black-headed gull chicks
    Wendt Müller
    Research group Behavioral Biology, Zoological Laboratory, University of Groningen, 9750 AA Haren, The Netherlands
    Proc Biol Sci 272:1971-7. 2005
    ..The outcome of embryonic yolk androgen exposure thus likely depends on the post-hatching circumstances for the developing offspring such as parasite exposure and degree of sibling competition...
  21. pmc Testosterone, cuckoldry risk and extra-pair opportunities in the Seychelles warbler
    Janske van de Crommenacker
    Animal Ecology Group, Centre for Ecological and Evolutionary Studies, University of Groningen, PO Box 14, 9750 AA Haren, The Netherlands
    Proc Biol Sci 271:1023-31. 2004
    ..We conclude that T is involved in sexual courtship displays and mate guarding, but not in gaining EGCs. These findings contrast with those in other species where EGP involves elaborate sexual displays...
  22. pmc Selection on personality in a songbird affects maternal hormone levels tuned to its effect on timing of reproduction
    Ton G G Groothuis
    Department of Behavioural Biology, University of Groningen, PO Box 14, 9750 AA Haren, The Netherlands
    Biol Lett 4:465-7. 2008
    ..The results indicate a correlated response in maternal hormone transfer to genetic selection on personality, which relates to ecological conditions...
  23. pmc Intrasexual competition among females and the stabilization of a conspicuous colour polymorphism in a Lake Victoria cichlid fish
    Peter D Dijkstra
    Research Group Behavioural Biology, University of Groningen, 9750 AA, Haren, The Netherlands
    Proc Biol Sci 275:519-26. 2008
    ..We conclude that female-female aggression may be one important force for stabilizing colour polymorphism in cichlid fish...
  24. doi request reprint Effects of in vivo testosterone manipulation on ovarian morphology, follicular development, and follicle yolk testosterone in the homing pigeon
    Vivian C Goerlich
    Behavioural Biology, University of Groningen, Haren, The Netherlands
    J Exp Zool A Ecol Genet Physiol 313:328-38. 2010
    ....
  25. ncbi request reprint Consistent variation in yolk androgens in the Australian Brush-turkey, a species without sibling competition or parental care
    Ann Göth
    Department of Biological Sciences, Macquarie University, North Ryde, Sydney NSW 2109, Australia
    Gen Comp Endocrinol 155:742-8. 2008
    ..These results indicate that maternal androgens may influence offspring development outside the contexts of sibling competition or parental care...
  26. pmc Consequences of prenatal androgen exposure for the reproductive performance of female pheasants (Phasianus colchicus)
    Diego Rubolini
    Dipartimento di Biologia Animale, Universita degli Studi di Pavia, Piazza Botta 9, 27100 Pavia, Italy
    Proc Biol Sci 274:137-42. 2007
    ....