| Records |
| Author |
Crowell-Davis, S.L.; Houpt, K.A.; Carini, C.M. |
Title  |
Mutual grooming and nearest-neighbor relationships among foals of Equus caballus |
Type |
Journal Article |
| Year |
1986 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
15 |
Issue |
2 |
Pages |
113-123 |
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| Abstract |
A 3-year study was carried out on the developmental behavior of foals from birth to 24 weeks of age and the behavior of mares living with foals. Mutual-grooming partners of foals were primarily other foals. The peak frequency of mutual grooming occurred during Weeks 9-12, when fillies mutual-groomed 1.6 times h-1 and colts mutual-groomed 0.9 times h-1. Fillies mutual-groomed more frequently than colts (P < 0.025). Fillies mutual-groomed randomly with colts and other fillies (P < 0.05), whereas colts mutual-groomed almost exclusively with fillies (P = 0.03). At all ages studied, if a foal's nearest neighbor was not its mother, it was more likely to be another foal than would be expected if the foal was associating randomly with non-mother ponies. Fillies were more likely than expected to have a filly rather than a colt as their nearest neighbor (P = 0.01). Thus, during their first few months of life, the foals studied exhibited patterns of behavior which were consistent with the development of the usual social milieu of unmanaged adults, in which several mares form a cohesive herd with one or more stallions associating with them. |
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Equine Behaviour @ team @ |
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2276 |
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| Author |
Miller J, |
| Title |
National forest management of wild horses and burros: Current position and policy |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
J Equine Vet Sc |
| Volume |
6 |
Issue |
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Pages |
259-260 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1393 |
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| Author |
Baker, A.E.M.; Crawford, B.H. |
| Title |
Observational learning in horses |
Type |
Journal Article |
| Year |
1986 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
15 |
Issue |
1 |
Pages |
7-13 |
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| Abstract |
This experiment was designed to determine if a horse could learn the location of grain by watching another horse find grain in one of two feed buckets. Both experimental and control groups contained 9 quarter horses consisting of five 2-year-old mares, two 2-year-old geldings, and two 3-year-old geldings. Two mature geldings were used as “demonstrators”. An “experimental” was a horse that could watch three times daily another horse, the “demonstrator”, choose between and eat grain from a black or white bucket, only one of which contained grain. A “control” was a horse that could watch a demonstrator in the same arena for 3 min daily when both feed buckets were removed. When the demonstrator was removed on each of 15 successive days, the experimental or control horse was given five trials to determine if it could find the feed bucket with grain. No significant difference between experimentals and controls occurred for both first and total correct choices and for time to reach the feed bucket with grain. We conclude that no observational learning occurred. This experiment was also used to determine if the identity of horses that learned rapidly by trial and error could be predicted by the time it took to reach the feed bucket with grain. Data from the last three trials of experimentals and controls were combined. Significantly less time to find feed was needed by horses with more than the median number of correct choices. Both number of correct choices and time needed to contact a feed bucket summed over the first 5 days accurately predicted the same data summed over the last 10 days. We conclude that horses that learn rapidly by trial and error make correct choices rapidly, and that these horses can by identified after 5 days of testing. |
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refbase @ user @ |
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821 |
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Biederman, G.B.; Robertson, H.A.; Vanayan, M. |
| Title |
Observational learning of two visual discriminations by pigeons: a within-subjects design |
Type |
Journal Article |
| Year |
1986 |
Publication |
Journal of the experimental analysis of behavior |
Abbreviated Journal |
J Exp Anal Behav |
| Volume |
46 |
Issue |
1 |
Pages |
45-49 |
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Animals; Attention; Columbidae; Conditioning, Operant; Cues; *Discrimination Learning; *Imitative Behavior; Male; Visual Perception |
| Abstract |
Pigeon's observational learning of successive visual discrimination was studied using within-subject comparisons of data from three experimental conditions. Two pairs of discriminative stimuli were used; each bird was exposed to two of the three experimental conditions, with different pairs of stimuli used in a given bird's two conditions. In one condition, observers were exposed to visual discriminative stimuli only. In a second condition, subjects were exposed to a randomly alternating sequence of two stimuli where the one that would subsequently be used as S+ was paired with the operation of the grain magazine. In a third experimental condition, subjects were exposed to the performance of a conspecific in the operant discrimination procedure. After exposures to conspecific performances, there was facilitation of discriminative learning, relative to that which followed exposures to stimulus and reinforcement sequences or exposures to stimulus sequences alone. Exposure to stimulus and food-delivery sequences enhanced performance relative to exposure to stimulus sequences alone. The differential effects of these three types of exposure were not attributable to order effects or to task difficulty; rather, they clearly were due to the type of exposure. |
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English |
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0022-5002 |
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PMID:3746187 |
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no |
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refbase @ user @ |
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853 |
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| Author |
Wolfe Ml, |
| Title |
Population dynamics of feral horses in western North America |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
J Equine Vet Sc |
| Volume |
6 |
Issue |
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Pages |
231-235 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1717 |
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Smith Ma, |
| Title |
Potential competitive interactions between feral horses and other grazing animals |
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Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
J Equine Vet. Sc. |
| Volume |
6 |
Issue |
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Pages |
238-239 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1610 |
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Lima, S.L. |
| Title |
Predation Risk and Unpredictable Feeding Conditions: Determinants of Body Mass in Birds |
Type |
Journal Article |
| Year |
1986 |
Publication |
Ecology |
Abbreviated Journal |
Ecology |
| Volume |
67 |
Issue |
2 |
Pages |
377-385 |
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doi: 10.2307/1938580 |
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Equine Behaviour @ team @ |
Serial |
5141 |
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| Author |
Voith, V.L. |
| Title |
Principles of learning |
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Journal Article |
| Year |
1986 |
Publication |
The Veterinary clinics of North America. Equine practice |
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2 |
Issue |
3 |
Pages |
485-506 |
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Cited By (since 1996): 9; Export Date: 21 October 2008 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4547 |
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| Author |
Vogt H, |
| Title |
Quagga eine Subspecies |
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Journal Article |
| Year |
1986 |
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Abbreviated Journal |
Naturwiss Rdsch |
| Volume |
39 |
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H |
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from Professor Hans Klingels Equine Reference List |
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no |
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1681 |
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| Author |
Schusdziarra, H., Schusdziarra, V. |
| Title |
Reitergespräche – Der Weg zum unabhängigen Sitz |
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Book Whole |
| Year |
1986 |
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56 |
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3-489-63532-9 |
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no |
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Reiten Lesen Denken @ eberhardhuebener @ |
Serial |
1011 |
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