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Author |
Beck, B. B. |
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Title |
Animal tool behaviour: The use and manufacture of tools by animals |
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Book Whole |
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Year |
1980 |
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Garland |
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New York |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6524 |
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Author |
OKUDA Y et al, |
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Title |
Grazing behavior and heart rate of young thoroughbreds in pasture |
Type |
Journal Article |
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Year |
1980 |
Publication |
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Abbreviated Journal |
Bull Equ Res Inst |
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Volume |
17 |
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Pages |
8-20 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1432 |
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Author |
Houpt, K.A.; Wolski, T.R. |
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Title |
Stability of equine hierarchies and the prevention of dominance related aggression |
Type |
Journal Article |
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Year |
1980 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
12 |
Issue |
1 |
Pages |
15-18 |
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Keywords |
*Aggression; Animals; *Behavior, Animal; Feeding Behavior; Female; *Hierarchy, Social; *Horses; Humans; Male; Maternal Behavior; *Social Dominance |
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Abstract |
The dominance hierarchy of a herd of 10 Thoroughbred mares was determined twice, at an interval of 18 months, using paired feeding tests. Each mare's rank was correlated significantly between the 2 tests. This indicated that the hierarchy within the herd was stable. The offspring of dominant and subordinate mares were also tested for dominance in their own age groups. The offspring of dominant mares tended to be near the top of the hierarchy while those of middle and low ranking mares were not consistently found in the middle or bottom of their own hierarchies. Paired feeding tests were carried out on 8 ponies. During tests the time that each pony spent eating and the ponies' aggressive interactions were recorded. Two situations were used. Each pony-pair was tested when both ponies were in the same paddock and also when they were separated by a rail fence. The subordinate ponies spent significantly more time eating and the domonant pony was significantly less aggressive, when the pony-pair was separated by a fence than when they were in one paddock. It was concluded that the dominance hierarchies of adult horse groups changed very little over time and that the foals of dominant mares will tend to be dominant in their own age groups. Management practices can be used to reduce aggression and consequent injury that may arise in group feeding situations. |
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English |
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ISSN |
0425-1644 |
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Notes |
PMID:7189148 |
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no |
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Call Number |
refbase @ user @ |
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59 |
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Author |
Klingel H, |
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Title |
A Comparison of the Social Organization of the Equids. in Denniston RH (ed) |
Type |
Conference Volume |
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Year |
1980 |
Publication |
Symposium on the Ecology and Behavior of Wild and Feral Equids, Laramie 1979 |
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Pages |
23-30 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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1315 |
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Author |
Milouchine, V.N. |
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Title |
The role of WHO in international studies on the ecology of influenza in animals |
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Journal Article |
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Year |
1980 |
Publication |
Comparative Immunology, Microbiology and Infectious Diseases |
Abbreviated Journal |
Comp Immunol Microbiol Infect Dis |
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3 |
Issue |
1-2 |
Pages |
25-31 |
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Keywords |
Animals; Birds/microbiology; Horses/microbiology; Humans; Influenza A virus/*isolation & purification/physiology; Orthomyxoviridae Infections/microbiology/*veterinary; Swine/microbiology; World Health Organization |
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0147-9571 |
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Notes |
PMID:6258848 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2692 |
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Author |
Tumova, B. |
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Title |
Equine influenza--a segment in influenza virus ecology |
Type |
Journal Article |
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Year |
1980 |
Publication |
Comparative Immunology, Microbiology and Infectious Diseases |
Abbreviated Journal |
Comp Immunol Microbiol Infect Dis |
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3 |
Issue |
1-2 |
Pages |
45-59 |
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Keywords |
Animals; Antigens, Viral; Genes, Viral; Horse Diseases/*microbiology; Horses; Influenza A virus/immunology/pathogenicity/*physiology; Orthomyxoviridae Infections/microbiology/*veterinary; Viral Proteins/analysis |
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0147-9571 |
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PMID:6258849 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2691 |
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Author |
Asa, C.S.; Goldfoot, D.A.; Garcia, M.C.; Ginther, O.J. |
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Title |
Sexual behavior in ovariectomized and seasonally anovulatory pony mares (Equus caballus) |
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Journal Article |
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Year |
1980 |
Publication |
Hormones and Behavior |
Abbreviated Journal |
Horm Behav |
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Volume |
14 |
Issue |
1 |
Pages |
46-54 |
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Abstract |
Ten ovariectomized (OVEX) and ten intact, but seasonally anovulatory (ANOV), pony mares were observed for sexual activity with five stallions, using a “harem group” social testing paradigm (two OVEX and two ANOV mares plus one stallion per group) for 15 consecutive daily tests lasting 20 min each. All mares in both conditions showed proceptive behavior in at least one test, all mares but one were mounted, and 14 of 20 mares received ejaculations. No statistical differences were found between the two conditions for any measure of proceptivity, copulatory activity, or days in estrus. The quality of estrus was judged to be equivalent to that displayed by periovulatory mares during their initial and terminal days of estrus, but less intense than that seen near ovulation. Mares in both groups were in estrus during approximately 60-70% of the tests and only 3 of the 20 mares were sexually refractory for more than five consecutive tests. Thus, the typical 2-week phase of sexual refractoriness seen in intact diestrous mares was absent in OVEX and ANOV mares, suggesting that the ovary plays a major role in actively suppressing estrous responses during the luteal phase of the cycle. |
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0018-506x |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5361 |
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Author |
Asa, C.S.; Goldfoot, D.A.; Garcia, M.C.; Ginther, O.J. |
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Title |
Dexamethasone suppression of sexual behavior in the ovariectomized mare |
Type |
Journal Article |
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Year |
1980 |
Publication |
Hormones and Behavior |
Abbreviated Journal |
Horm Behav |
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Volume |
14 |
Issue |
1 |
Pages |
55-64 |
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Abstract |
The influence of steroids of adrenal cortical origin on estrous behavior in the ovariectomized mare was evaluated by adrenal suppression via dexamethasone (DEX) administration in two experiments. In Experiment I, 12 mares (six DEX, six control) were tested for sexual behavior in harem groups (two DEX and two control mares plus one stallion per group) for 9 consecutive days. In Experiment II, estradiol (E2) was given to a group of DEX-treated mares as an additional control. Twelve mares (four DEX, four DEX + E2, and four control) were tested in harem groups (one DEX, one DEX + E2, and one control mare plus one stallion per group) for 10 days. All DEX mares showed a clear suppression of sexual response compared to control or DEX + E2 mares, indicating that the estrous behavior seen in ovariectomized mares may be due to steroids from the adrenal cortex. The control and DEX + E2 mares were similar in all measures of proceptivity. Despite being more receptive, as indicated by fewer negative responses, the DEX + E2 mares received fewer intromissions and ejaculations than did the control animals. The ability of estradiol to induce estrous behavior in the dexamethasone-suppressed mare notwithstanding, other adrenal steroids, e.g., androgens, may be involved in estrous behavior in the untreated, ovariectomized mare. |
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0018-506x |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5360 |
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Author |
Duncan P, C.P. |
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Title |
An unusual choice of habitat helps Camargue horses to avoid blood-sucking horse-flies |
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Journal Article |
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Year |
1980 |
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Biol Behav |
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5 |
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Pages |
55-60 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1036 |
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Author |
DREVEMO S et al, |
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Title |
Equine locomotion: The analysis of linear and temporal stride characteristics of trotting standardbreds |
Type |
Journal Article |
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Year |
1980 |
Publication |
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Abbreviated Journal |
Equine Vet J |
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Volume |
12 |
Issue |
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Pages |
60-65 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1025 |
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