| Records |
| Author |
Brügger, A. |
| Title |
Die Erkrankungen des Bewegungsapparates und seines Nervensystems. |
Type |
Book Whole |
| Year |
1980 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Publisher |
Gustav Fischer |
Place of Publication |
Stuttgart |
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| ISSN |
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ISBN |
3437105051 |
Medium |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4440 |
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| Author |
Brügger, A. |
| Title |
Gesunde Körperhaltung im Alltag |
Type |
Book Whole |
| Year |
1980 |
Publication |
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Issue |
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Pages |
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| Publisher |
Dr. A. Brügger |
Place of Publication |
Zürich |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4451 |
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| Author |
Appleby, M.C. |
| Title |
Social Rank and Food Access in Red Deer Stags |
Type |
Journal Article |
| Year |
1980 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
| Volume |
74 |
Issue |
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Pages |
294-309 |
| Keywords |
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| Abstract |
The behaviour of a free-living group of male red deer (Cervus elaphus L.) on the Isle of Rhum, Scotland, was studied throughout the year to investigate the relations between social dominance and food access. The study is based on the collection of agonistic interactions between members of the study group outside the rutting season. Analysis of these confirmed that dyadic dominance relationships summate to a very clear agonistic hierarchy, while seasonal changes in frequency and type of interactions suggested that rank in the hierarchy may affect access to food through direct feeding interference. This would constitute a selective advantage of the acquisition of high rank. A behaviour pattern in which a stag displaces a subordinate and takes over his feeding-site is proposed as a mechanism of direct feeding interference. It occurs throughout the year, but with a frequency closely related to changes in food availability and quality. The proportion of such interactions that an individual wins is related to his rank, so advantages gained from this behaviour would primarily benefit high-ranking stags. These are likely to consist of improved body condition and winter survival. The importance of high rank in obtaining access to limited food was supported by the results of a simple experiment providing a small area of fertilized grass. Most of the grazing in the area was due to the highest-ranking stag present at any time. |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4860 |
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| Author |
Asa, C.S.; Goldfoot, D.A.; Garcia, M.C.; Ginther, O.J. |
| Title |
Sexual behavior in ovariectomized and seasonally anovulatory pony mares (Equus caballus) |
Type |
Journal Article |
| Year |
1980 |
Publication |
Hormones and Behavior |
Abbreviated Journal |
Horm Behav |
| Volume |
14 |
Issue |
1 |
Pages |
46-54 |
| Keywords |
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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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| ISSN |
0018-506x |
ISBN |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5361 |
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| Author |
Clutton-Brock, T.H.; Harvey, P.H. |
| Title |
Primates, brains and ecology |
Type |
Journal Article |
| Year |
1980 |
Publication |
Journal of Zoology |
Abbreviated Journal |
J. Zool. Lond. |
| Volume |
190 |
Issue |
3 |
Pages |
309-323 |
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| Abstract |
The paper examines systematic relationships among primates between brain size (relative to body size) and differences in ecology and social system. Marked differences in relative brain size exist between families. These are correlated with inter-family differences in body size and home range size. Variation in comparative brain size within families is related to diet (folivores have comparatively smaller brains than frugivores), home range size and possibly also to breeding system. The adaptive significance of these relationships is discussed. |
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| Publisher |
Blackwell Publishing Ltd |
Place of Publication |
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Edition |
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| ISSN |
1469-7998 |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5451 |
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| Author |
Harvey, P.H.; Clutton-Brock, T.H.; Mace, G.M. |
| Title |
Brain size and ecology in small mammals and primates |
Type |
Journal Article |
| Year |
1980 |
Publication |
Proceedings of the National Academy of Sciences |
Abbreviated Journal |
PNAS |
| Volume |
77 |
Issue |
7 |
Pages |
4387-4389 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5456 |
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| Author |
Frank, H. |
| Title |
Evolution of canine information processing under conditions of natural and artificial selection |
Type |
Journal Article |
| Year |
1980 |
Publication |
Z Tierpsychol |
Abbreviated Journal |
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| Volume |
5 |
Issue |
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Pages |
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no |
| Call Number |
Equine Behaviour @ team @ Frank1980 |
Serial |
6243 |
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| Author |
Beck, B. B. |
| Title |
Animal tool behaviour: The use and manufacture of tools by animals |
Type |
Book Whole |
| Year |
1980 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Abstract |
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Thesis |
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| Publisher |
Garland |
Place of Publication |
New York |
Editor |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6524 |
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| Author |
Zentall, T.R.; Hogan, D.E.; Edwards, C.A.; Hearst, E. |
| Title |
Oddity learning in the pigeon as a function of the number of incorrect alternatives |
Type |
Journal Article |
| Year |
1980 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
6 |
Issue |
3 |
Pages |
278-299 |
| Keywords |
Animals; Choice Behavior; *Color Perception; Columbidae; *Discrimination Learning |
| Abstract |
Pigeons' rate of learning a two-color oddity task increased as a function of the number of incorrect alternatives from 2 to 24 in Experiments 1, 2, and 3. In general, pigeons that were transferred from many-incorrect-alternative to two-incorrect-alternative oddity performed better than controls, but considerably below baseline (Experiments 2 and 3). In Experiment 4, pigeons showed no unconditioned tendency to peck the odd stimulus among 24 incorect alternatives, when pecks were nondifferentially reinforced, and in Experiment 5, when this procedure was preceded by oddity training, a progressive drop in odd-stimulus pecking was found. In Experiment 6, pigeons exposed to a nine-stimulus array in which the odd stimulus appeared (a) in the center or (b) separate from the array learned faster than when the odd stimulus was at the edge. This outcome suggests ththe figure-ground relation between the odd stimulus and the incorrect alternatives plays a role in the facilitation produced by increasing the number of incorrect alternatives but that poor performance on the standard, three-alternative oddity task appears to be due to center-odd trials which provide a difficult size or number discrimination. |
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| Language |
English |
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Series Issue |
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Edition |
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| ISSN |
0097-7403 |
ISBN |
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| Notes |
PMID:7391753 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
268 |
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| Author |
Seyfarth, R.M.; Cheney, D.L.; Marler, P. |
| Title |
Monkey responses to three different alarm calls: evidence of predator classification and semantic communication |
Type |
Journal Article |
| Year |
1980 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
210 |
Issue |
4471 |
Pages |
801-803 |
| Keywords |
*Animal Communication; Animals; Behavior, Animal/*physiology; Cercopithecidae/*physiology; *Fear; Female; Male; Predatory Behavior; Vocalization, Animal |
| Abstract |
Vervet monkeys give different alarm calls to different predators. Recordings of the alarms played back when predators were absent caused the monkeys to run into trees for leopard alarms, look up for eagle alarms, and look down for snake alarms. Adults call primarily to leopards, martial eagles, and pythons, but infants give leopard alarms to various mammals, eagle alarms to many birds, and snake alarms to various snakelike objects. Predator classification improves with age and experience. |
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| Language |
English |
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Series Issue |
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Edition |
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| ISSN |
0036-8075 |
ISBN |
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| Notes |
PMID:7433999 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
351 |
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