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Author |
Beck, B. B. |
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Title |
Animal tool behaviour: The use and manufacture of tools by animals |
Type |
Book Whole |
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Year |
1980 |
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Garland |
Place of Publication |
New York |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6524 |
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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 @ |
Serial |
59 |
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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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ISSN |
0018-506x |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5360 |
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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) |
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 |
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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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5361 |
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Author |
Noë, R.; de Waal, F.B.; van Hooff, J.A. |
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Title |
Types of dominance in a chimpanzee colony |
Type |
Journal Article |
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Year |
1980 |
Publication |
Folia primatologica; international journal of primatology |
Abbreviated Journal |
Folia Primatol (Basel) |
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Volume |
34 |
Issue |
1-2 |
Pages |
90-110 |
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Keywords |
Agonistic Behavior; Animals; Animals, Zoo; *Behavior, Animal; Competitive Behavior; Factor Analysis, Statistical; Female; Hierarchy, Social; Male; *Pan troglodytes; *Social Dominance |
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Abstract |
This study examines to what extent the concept of dominance can be used to describe the social structure of a group of semi-free-living chimpanzees. 15 behavioural variables, based on agonistic, competitive and affinitive behaviour patterns, have been compared with respect to the interindividual directions in which they occurred. In this analysis use was made of indices that reflect the position an individual occupies in the relationship structure. These indices were calculated per individual for all variables and subjected to factor analysis and cluster analysis. As a result, 13 of the variables could be grouped in three categories which have been labelled: (1) agonistic dominance; (2) bluff dominance, and (3) competitive dominance. Whereas the top positions in the hierarchies based on the first two closely related types of dominance were occupied by the adult males, the hierarchy based on the third type was headed by several adult females. |
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English |
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ISSN |
0015-5713 |
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Notes |
PMID:7439873 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
212 |
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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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Volume |
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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ISSN |
0147-9571 |
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Notes |
PMID:6258849 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2691 |
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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 |
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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Volume |
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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PMID:6258848 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2692 |
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Author |
Parry, B.W.; Gay, C.C.; McCarthy, M.A. |
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Title |
Influence of head height on arterial blood pressure in standing horses |
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Journal Article |
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Year |
1980 |
Publication |
American Journal of Veterinary Research |
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41 |
Issue |
10 |
Pages |
1626-1631 |
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Notes |
Cited By (since 1996): 4; Export Date: 21 October 2008 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4539 |
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Author |
Bradley, B.L. |
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Title |
Animal flavor types and their specific uses in compound feeds by species and age |
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Journal Article |
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Year |
1980 |
Publication |
Fortschritte in der Tierphysiologie und Tierernahrung |
Abbreviated Journal |
Fortschr Tierphysiol Tierernahr |
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Issue |
11 |
Pages |
110-122 |
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Keywords |
Aging; *Animal Feed; Animals; Cattle; Energy Intake; *Flavoring Agents; Horses; Poultry; Smell; Species Specificity; Sweetening Agents; Swine; Taste |
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English |
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ISSN |
0301-570X |
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Notes |
PMID:7390352 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4314 |
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Author |
Houpt, K.A. |
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Title |
Review of some research areas of applied and theoretical interest in domestic animal behavior |
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Journal Article |
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Year |
1980 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
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Volume |
6 |
Issue |
2 |
Pages |
111-119 |
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Abstract |
There are numerous areas worthy of study in the field of domestic animal behavior or applied ethology. In this paper a few areas are offerred as particularly worthy of attention. These areas are worthwhile either because they have received little or no study and are of basic interest or because they have application to current problems of livestock production. The study of cat behavior falls in the former category. Neither the food and water sources, the reproductive success rate nor even the social interactions of cats in the large populations found in both rural and urban environments are known. Pigs as a species have already been the subjects of many behavior studies; nevertheless, there are still gaps in our knowledge of the underlying principles of swine behavior. The physiological basis of maternal behavior, for example, has not been studied in swine or in any domestic species. The sensory basis of udder location by the neonatal piglet deserves study also. Some aspects of olfactory and vocal communication of pigs have been studied, but only one of what may be a large number of pheromones of pigs has been chemically identified. The message conveyed by the vocal interactions between adult swine of the same sex is unknown, as is the role of facial and postural expressions in porcine communication. The two major problems of pig behavior under conditions of intensive livestock management are tail biting and reproductive failure. The application of behavioral techniques to these problems might help to attenuate those problems as well as broaden our understanding of normal pig behavior. Horse behavior has also been a relatively neglected field of study. Of particular interest is the significance of the flehmen gesture used by both mares and stallions in a variety of situations. Flehmen may be related to the function of the vomeronasal organ, but both observational and physiological studies should be performed to verify the hypothesis. |
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refbase @ user @ |
Serial |
508 |
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