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Author |
Chaudhuri, M.; Ginsberg, J.R. |
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Title |
Urinary androgen concentrations and social status in two species of free ranging zebra (Equus burchelli and E. grevyi). |
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Journal Article |
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Year |
1990 |
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Journal of Reproduction and Fertility |
Abbreviated Journal |
J Reprod Fert |
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88 |
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127-133 |
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zebra; testosterone; androgens; territoriality; social behaviour; dominance |
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Abstract |
In both species of zebra, breeding males had higher urinary androgen concentrations (ng androgens/mg Cr) than did non-breeding bachelor males (30.0 +/- 5.0 (N = 9) versus 11.4 +/- 2.8, (N = 7) in the plains zebra; 19.0 +/- 2.2 (N = 17) versus 10.7 +/- 1.2 (N = 14) in the Grevy's zebra). In the more stable family structure of the plains zebra (single male non-territorial groups) variations in androgen concentrations could not be ascribed to any measured variable. In the Grevy's zebra, androgen values were significantly lower in samples taken from territorial (breeding) males which had temporarily abandoned their territories (N = 4) and the urinary androgen concentration for a male on his territory was negatively correlated with the time since females last visited the territory. |
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from Professor Hans Klingels Equine Reference List |
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yes |
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987 |
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Author |
CLAYTON HM et al, |
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Title |
Some studies of comparative aspects of sexual behaviour in ponies and donkeys |
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Journal Article |
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1981 |
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App Anim Ethol |
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7 |
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169-174 |
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from Professor Hans Klingels Equine Reference List |
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988 |
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Author |
Collery L, |
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Title |
Sexual and social behaviour of the Connemara pony |
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1969 |
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Br Vet J |
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125 |
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151-152 |
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from Professor Hans Klingels Equine Reference List |
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990 |
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Author |
Conley W, |
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Title |
The potential for increase in horse and ass populations: A theoretical analysis |
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1979 |
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Proceedings of a Conference on the Ecology and Behavior of Feral Equids |
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Symp Ecol and Behav of wild and feral Equids, Laramie |
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221-234 |
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R.H. Denniston |
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from Professor Hans Klingels Equine Reference List |
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991 |
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Author |
Cooke Hbs, |
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Title |
Cranial and dental characters of the recent south african equidae |
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Journal Article |
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Year |
1943 |
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S Afr J Sci |
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40 |
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254-257 |
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from Professor Hans Klingels Equine Reference List |
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992 |
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Author |
COUGOUILLE-GAUFFRETEAU B et al, |
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Title |
Research on the consequences of the injection of male hormones... |
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Journal Article |
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1981 |
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Comptes red Seanc Acad Sci |
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292 |
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1073-1076 |
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from Professor Hans Klingels Equine Reference List |
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993 |
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Author |
Cox Je, |
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Title |
Factors affecting testis weight in normal and cryptorchid horses |
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Journal Article |
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Year |
1982 |
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J Reprod Fert Suppl |
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32 |
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129-134 |
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from Professor Hans Klingels Equine Reference List |
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994 |
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Cox Je, |
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Title |
Behaviour of the false rig: Causes and treatments |
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Journal Article |
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1986 |
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Vet Record |
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118 |
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353-356 |
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from Professor Hans Klingels Equine Reference List |
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995 |
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Author |
CREGIER SE |
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Title |
Alleviating road transit stress on horses. |
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Journal Article |
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Year |
1980 |
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Anim Regul Stud |
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3 |
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223-227 |
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996 |
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CROWELL-DAVIS SL et al |
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Title |
Snapping by foals of Equus caballus. |
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1985 |
Publication |
Zeitschrift für Tierpsychologie |
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Z. Tierpsychol. |
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69 |
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42-54 |
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from Professor Hans Klingels Equine Reference List |
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997 |
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