| Records |
| Author |
Klingel, H. |
| Title |
Odd-toed Ungulates, Horses |
Type |
Book Chapter |
| Year |
1989 |
Publication |
Grzimek's Encyclopedia of Mammals |
Abbreviated Journal |
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| Volume |
4 |
Issue |
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Pages |
550+557-594 |
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Place of Publication |
McGraw Hill |
Editor |
Grzimek, B. |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1320 |
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| Author |
Rau, R.E, |
| Title |
The museum's Quagga project |
Type |
Manuscript |
| Year |
1989 |
Publication |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1500 |
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| Author |
Rubenstein, D.I |
| Title |
Life history and social organization in arid adapted ungulates |
Type |
Journal Article |
| Year |
1989 |
Publication |
Journal of Arid Environments |
Abbreviated Journal |
J. Arid. Environ. |
| Volume |
17 |
Issue |
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Pages |
145-156 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
| Call Number |
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Serial |
1527 |
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| Author |
Lynch, J.J.; Hinch, G.N.; Bouissou, M.F.; Elwin, R.L.; Green, G.C.; Davies, H.I. |
| Title |
Social organization in young Merino and Merino x Border Leicester ewes |
Type |
Journal Article |
| Year |
1989 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
22 |
Issue |
1 |
Pages |
49-63 |
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| Abstract |
The social behaviour of two groups of Merino ewes and one group of Merino x Border Leicester ewes was studied. Each group comprised eight sheep, 15 months of age and, within each group, the animals were of similar liveweight. Dominance rankings were established at each test, but there was little consistency in ewe rank over time. Similarly, little consistency was found in ewe ranking for movement order between pens, and for exploratory and fear test rankings. However, with tests on movement orders, some consistency in the sheep which ranked first was shown. In the field, no aggression was seen while sheep were grazing and there were no occasions when ranking related to movement could be observed. There were short-term associations between pairs of sheep, but these occurred in less than half the individuals. Although the spatial distribution was not studied, the lack of long-term association between pairs would suggest that strong spatial preference does not occur. It is concluded that the social organization of single-age Merino and Merino x Border Leicester ewes is not based on dominance or leadership ranking nor on long-term associations between individuals. |
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no |
| Call Number |
Equine Behaviour @ team @ room B 3.029 |
Serial |
2036 |
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| Author |
Crowell-Davis, S.L.; Caudle, A.B. |
| Title |
Coprophagy by foals: recognition of maternal feces |
Type |
Journal Article |
| Year |
1989 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
24 |
Issue |
3 |
Pages |
267-272 |
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| Abstract |
Six foals were each observed for 4 h per week during the first 6 weeks of life in an experimental situation in which they had access to feces taken from their mother and from another mare which was not pregnant or lactating. The foals sniffed at the feces equally. Two foals engaged in a total of seven bouts of coprophagy. All bouts of coprophagy involved maternal feces (χ2; P<0.01). |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2273 |
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| Author |
Rubenstein, D.I.; Hohmann, M.E |
| Title |
Parasites and Social Behavior of Island Feral Horses |
Type |
Journal Article |
| Year |
1989 |
Publication |
Oikos |
Abbreviated Journal |
Oikos |
| Volume |
3 |
Issue |
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Pages |
312-320 |
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| Abstract |
The horses of Shackelford Banks, North Carolina, USA, are heavily parasitized by intestinal worms and harassed by dipterans, and although both types influence behavior only internal parasites affect bodily condition and the structuring of horse society. Thirteen species of internal parasites were identified, but only 4 of 13 groups contain them all and even within groups differences among individuals are large. Among individuals ova emissions vary ranging from 50 to 76,875 eggs per gram. The most important environmental factors influencing egg production are season and a group's location on the island, presumably because of salinity and soil differences and their effects on ova survival. Of the social and life history factors, age, and group size, but neither reproductive state nor dominance status are important. The fitness consequences of internal parasitism may be large since the number emitted is negatively correlated with next year's bodily condition. Biting fly burdens are also affected by a variety of environmental factors. In general, horses are covered with more flies on sunny days, when winds are moderately brisk, when occupying dunes, and around mid-day. In contrast to endoparasites, fly burden is affected by reproductive condition and dominance status and tends to decrease as groups increase in size. Since groups do not grow very large, nor do females attempt to bring groups together, the negative effects of endoparasites appear to overide those associated with ectoparasites. Consequently, endoparasites appear to exert a stronger influence on social structure, even though ectoparasites seem to play a stronger role in shaping details of behavior. |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2360 |
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| Author |
Gallistel, C.R. |
| Title |
Animal Cognition: The Representation of Space, Time and Number |
Type |
Journal Article |
| Year |
1989 |
Publication |
Annual Review of Psychology |
Abbreviated Journal |
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| Volume |
40 |
Issue |
1 |
Pages |
155-189 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2972 |
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| Author |
Fragaszy, D.M.; Visalberghi E. |
| Title |
Social influences on the acquisition of tool-using behaviors in tufted capuchin monkeys (Cebus apella) |
Type |
Journal Article |
| Year |
1989 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
| Volume |
103 |
Issue |
2 |
Pages |
159-170 |
| Keywords |
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| Abstract |
To identify behaviors related to acquisition of tool-use in tufted capuchins (Cebus apella), we presented two tool-using tasks to two groups, extending findings by Westergaard and Fragaszy (1987) and Visalberghi (in press). Five Ss learned to use the tools in each task. The primary predictor of success was level of interest in the task. Observation of others at the apparatus did not facilitate exploratory behaviors or contact with the tools in the observers. Most animals performed exploratory behaviors more often when they were at the apparatus alone than when with another, whether or not the other was using a tool. Observers were quick to learn the relationship between another's activities and the appearance of food. We conclude that capuchins do not readily learn about instrumental relations by observation of others or imitate other's acts. Imitation probably plays no role in the spread of novel instrumental behaviors among monkeys. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
| Address |
social influences, acquisition of tool using |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2993 |
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| Author |
Visalberghi E; Trinca L |
| Title |
Tool use in capuchin monkeys: distinguishing between performing and understanding |
Type |
Journal Article |
| Year |
1989 |
Publication |
Primates |
Abbreviated Journal |
Primates |
| Volume |
30 |
Issue |
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Pages |
511 |
| Keywords |
Tool use – Cebus apella – Mental representation |
| Abstract |
A horizontal plexiglas tube containing a food-reward was presented to four naive tufted capuchins and suitable sticks were provided to push the reward out. Three monkeys out of four spontaneously used the tools and showed very different styles of solving the task. In more complex conditions, in which the sticks needed to be combined or actively modified in order to become effective, the monkeys were always successful; however, their performance was loaded with errors which did not disappear throughout the trials. Evidence of a difference between success in solving the problem and its understanding was found. This suggests that although capuchins can discover new means through active experimentation, they do not mentally represent the characteristics necessary for a tool to be effective, nor do they modify the tool appropriately beforehand. At this level, a major difference with chimpanzees emerges. |
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no |
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Equine Behaviour @ team @ |
Serial |
3047 |
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| Author |
McCall, C.A. |
| Title |
The effect of body condition of horses on discrimination learning abilities |
Type |
Journal Article |
| Year |
1989 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
22 |
Issue |
3-4 |
Pages |
327-334 |
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| Abstract |
Discriminative learning abilities were studied in 12 mature, malnourished horses. All horses initially received a condition score (CS) between 2 and 4 on a scale of 1 (poor) to 9 (extremely fat). Then horses were assigned to one of 3 treatments based on their eventual, rehabilitated CS during discrimination testing: thin, CS 1-3; moderate, CS 4-6; and fat, CS 7-9. The discrimination learning task was performed for 14 days with a maximum of 20 trials per day. Daily criterion was set at eight consecutively correct trails. Total trials to first criteria and total errors during testing were recorded. Analysis of variance showed that treatments did not differ (P>0.05) in total trials to first criterion, however horses on the fat treatment did have higher total error scores (P<0.05) than horses on the thin or moderate treatments. This difference was probably owing to lack of motivation in the fat treatment horses, rather than to true learning ability differences. The sex of the horse did not significantly affect either learning score. |
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Equine Behaviour @ team @ |
Serial |
3570 |
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