| Records |
| Author |
Asa, C.S.; Goldfoot, D.A.; Ginther, O.J. |
| Title |
Sociosexual behavior and the ovulatory cycle of ponies (Equus caballus) observed in harem groups |
Type |
Journal Article |
| Year |
1979 |
Publication |
Hormones and Behavior |
Abbreviated Journal |
Horm Behav |
| Volume |
13 |
Issue |
1 |
Pages |
49-65 |
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| Abstract |
Observations of sociosexual behavior of adult ponies, made on two harem groups (each comprised of one vasectomized male and three females), were correlated with follicular development and ovulation for a total of 15 cycles (minimum of 2 cycles per female). Mean cycle length (interovulatory interval) was found to be 19.7 days, with behavioral estrus lasting 7-8 days (5.5 days preovulatory; 2.3 days postovulatory). Estrous females typically showed increased frequencies of approaching and following the stallion, urinating, presenting, clitoral winking, and tail raising. Approaching and following the stallion appeared earlier and persisted longer than other estrous responses. Deviations from the modal estrous pattern included cycles with subestrus, continual estrus, behavioral estrus in the absence of ovulation, and displays of female mounting. Dominance tests revealed that a mare's status was unaffected by the phases of the estrous cycle. The presence of more than one estrous female affected the copulatory performance of both stallions, most notably in reduced latencies to first mount, intromission, and ejaculation, in spite of differences between the stallions in sexual vigor. Each stallion usually selected the dominant mare for copulation when there were multiple estrous females present, but mounts were not displayed exclusively to one female per test. The social testing situation made apparent the importance of use of space in sociosexual communication in this species, particularly in avoidance of the stallion by diestrous mares and standing alone or in proximity to him by estrous mares. |
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0018-506x |
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Equine Behaviour @ team @ |
Serial |
5363 |
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| Author |
Conley W, |
| Title |
The potential for increase in horse and ass populations: A theoretical analysis |
Type |
Journal Article |
| Year |
1979 |
Publication |
Proceedings of a Conference on the Ecology and Behavior of Feral Equids |
Abbreviated Journal |
Symp Ecol and Behav of wild and feral Equids, Laramie |
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Issue |
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Pages |
221-234 |
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R.H. Denniston |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
991 |
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| Author |
Denniston, R.H. |
| Title |
The varying role of the male in feral horses |
Type |
Journal Article |
| Year |
1979 |
Publication |
Symp Ecol and Behav of wild and feral Equids, Laramie, |
Abbreviated Journal |
Symp Ecol and Behav of wild and feral Equids, Laramie, |
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Pages |
93-98 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1007 |
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| Author |
Miller, R.; Denniston, R.H. |
| Title |
Interband dominance in feral horses |
Type |
Journal Article |
| Year |
1979 |
Publication |
Zeitschrift für Tierpsychologie |
Abbreviated Journal |
Z. Tierpsychol. |
| Volume |
51 |
Issue |
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Pages |
41-47 |
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from Professor Hans Klingels Equine Reference List |
Approved |
yes |
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Serial |
1397 |
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| Author |
Moehlman Pdr, |
| Title |
Behavior and ecology of feral asses (Equus asinus) Diss Univ of Wisconsin |
Type |
Journal Article |
| Year |
1979 |
Publication |
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Abbreviated Journal |
Nat. Geo. Soc. Res. Rep., |
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Pages |
405-411 |
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Ph.D. thesis |
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Univ of Wisconsin |
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Thesis 1974 |
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no |
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Serial |
1398 |
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| Author |
Reader J, |
| Title |
The violent rescue of Grevy's zebra – a controversial operation |
Type |
Book Whole |
| Year |
1979 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1502 |
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Ruffner Ga, C.S. |
| Title |
Age structure, condition, and reproduction of two burro (Equus asinus) populations from Grand Canyon National Park, Arizona |
Type |
Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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Issue |
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Pages |
235 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1534 |
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| Author |
Salter, R.E; Hudson, R.J. |
| Title |
Feeding ecology of feral horses in western Alberta |
Type |
Journal Article |
| Year |
1979 |
Publication |
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Abbreviated Journal |
J. Range. Mgmt. |
| Volume |
32 |
Issue |
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Pages |
221-225 |
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from Professor Hans Klingels Equine Reference List |
Approved |
yes |
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Serial |
1551 |
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| Author |
Waring Gh, |
| Title |
Behavioral adaptation as a factor in management of feral equids |
Type |
Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
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Pages |
85-92 |
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from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1697 |
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| Author |
Wolfe Ml, |
| Title |
Feral horse demography: A preliminary report (Abstract) |
Type |
Conference Volume |
| Year |
1979 |
Publication |
Symposium on the Ecology and Behavior of wild and feral Equids, Laramie |
Abbreviated Journal |
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Pages |
173-174 |
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from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1715 |
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