Records |
Author |
Mader, D.R.; Price, E.O. |
Title |
Discrimination learning in horses: effects of breed, age and social dominance |
Type |
Journal Article |
Year |
1980 |
Publication |
Journal of animal science |
Abbreviated Journal |
J. Anim Sci. |
Volume |
50 |
Issue |
5 |
Pages |
962-965 |
Keywords |
Aging; Animals; *Discrimination Learning; Female; Horses/*physiology; *Social Dominance |
Abstract |
The discrimination learning ability of Quarter Horses and Thoroughbreds was compared by means of visual cues in a three-choice test with food as a reward. Quarter Horses learned significantly faster than Thoroughbreds, and learning progressed more rapidly for both breeds in a second discrimination task. Significant negative correlations were observed between age and rate of learning. Quarter Horses tended to be less reactive than Thoroughbreds, but individual emotional reactivity ratings and learning scores were not correlated. No correlation was found between social dominance and learning scores. Learning studies with horses may provide a better understanding of the behavioral traits that influence trainability in this species. |
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0021-8812 |
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PMID:7390949 |
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no |
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refbase @ user @ |
Serial |
679 |
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Author |
Rubin, L.; Oppegard, C.; Hindz, H.F. |
Title |
The effect of varying the temporal distribution of conditioning trials on equine learning behavior |
Type |
Journal Article |
Year |
1980 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
Volume |
50 |
Issue |
6 |
Pages |
1184-1187 |
Keywords |
Animals; Conditioning (Psychology); *Horses; *Learning |
Abstract |
Two experiments were conducted to study the effect of varying the temporal distrbution of conditioning sessions on equine learning behavior. In the first experiment, 15 ponies were trained to clear a small hurdle in response to a buzzer in order to avoid a mild electric shock. Three treatments were used. One group received 10 learning trials daily, seven times a week; one group was trained in the same fashion two times a week and one group was trained once a week. The animals conditioned only once a week achieved a high level of performance in significantly fewer sessions than the ones conditioned seven times a week, although elapsed time from start of training to completion was two to three times greater for the former group. The twice-a-week group learned at an intermediate rate. In the second experiment, the ponies were rearranged into three new groups. They were taught to move backward a specific distance in response to a visual cue in order to avoid an electric shock. Again, one group was trained seven times a week, one group was trained two times and one group was trained once a week. As in the first experiment, the animals trained once a week achieved the learning criteria in significantly fewer sessions than those trained seven times a week, but, as in trial 1, elapsed time from start to finish was greater for them. The two times-a-week group learned at a rate in-between the rates of the other two groups. |
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0021-8812 |
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PMID:7400060 |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
3558 |
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Author |
Haag, E.L.; Rudman, R.; Houpt, K.A. |
Title |
Avoidance, maze learning and social dominance in ponies |
Type |
Journal Article |
Year |
1980 |
Publication |
J. Anim. Sci. |
Abbreviated Journal |
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Volume |
50 |
Issue |
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Pages |
329-335 |
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Cited By (since 1996): 16; Export Date: 24 October 2008 |
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no |
Call Number |
Admin @ knut @ |
Serial |
4593 |
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Author |
van Niekerk, H.P. |
Title |
Ethological studies within the man-horse relationship |
Type |
Journal Article |
Year |
1980 |
Publication |
Journal of the South African Veterinary Association |
Abbreviated Journal |
J S Afr Vet Assoc |
Volume |
51 |
Issue |
4 |
Pages |
237-238 |
Keywords |
Animals; Behavior, Animal; Hearing; Horses/*physiology; Humans; Smell; Taste; Touch; Vision |
Abstract |
Certain aspects of ethology and the horse's senses are discussed to bring about a better understanding between man and horse. Furthermore the behaviour of horses with respect to housing, feeding, breeding, veterinary treatment and work are considered. |
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1019-9128 |
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PMID:7241494 |
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no |
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refbase @ user @ |
Serial |
1960 |
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Author |
Hintz, R.L. |
Title |
Genetics of performance in the horse |
Type |
Journal Article |
Year |
1980 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
Volume |
51 |
Issue |
3 |
Pages |
582-594 |
Keywords |
Animals; Exertion; Horses/*genetics/physiology; Sports |
Abstract |
Criteria used to measure performance, environmental factors that influence performance and estimates of heritability are needed to estimate genetic differences. Published heritability estimates of various measures of performance in the horse are summarized. The average heritability estimates of pulling ability and cutting ability are .25 and .04, respectively. Heritability estimates are .18, .19 and .17 for log of earnings from jumping, 3-day event and dressage performance, respectively. Heritability estimates of performance rates, log of earnings, earnings, handicap weight, best handicap weight, time and best time for the Thoroughbred are .55, .49, .09, .49, .33, .15 and .23, respectively. Heritability estimates of log of earnings, earnings, time and best time for the trotter are .41, .20, .32, and .25, respectively. The heritability estimate of best time for the pacer is .23. The effectiveness of selection will depend on which performance trait is to be improved. |
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0021-8812 |
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PMID:7440446 |
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no |
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Equine Behaviour @ team @ |
Serial |
3758 |
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Author |
Salter Re, P.D. |
Title |
Determinants of mineral lick utilization by feral horses |
Type |
Journal Article |
Year |
1980 |
Publication |
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Abbreviated Journal |
Northwest Sci |
Volume |
54 |
Issue |
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Pages |
109-118 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1554 |
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Author |
Keiper Rr, K.M. |
Title |
Nocturnal activity patterns of feral ponies |
Type |
Journal Article |
Year |
1980 |
Publication |
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Abbreviated Journal |
J Mammal |
Volume |
61 |
Issue |
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Pages |
116-118 |
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from Professor Hans Klingels Equine Reference List |
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1259 |
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Author |
Keiper, R.R.; Keenan, M.A. |
Title |
Nocturnal activity patterns of feral horses |
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Journal Article |
Year |
1980 |
Publication |
J. Mammal |
Abbreviated Journal |
J. Mammal |
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61 |
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116-118 |
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Equine Behaviour @ team @ |
Serial |
2311 |
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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 |
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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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Equine Behaviour @ team @ |
Serial |
4860 |
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Author |
Meij Hs, M.J. |
Title |
Functional asymmetry in the motor system of the horse |
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Journal Article |
Year |
1980 |
Publication |
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Abbreviated Journal |
S Afr J Sci |
Volume |
76 |
Issue |
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Pages |
552-556 |
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from Professor Hans Klingels Equine Reference List |
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1386 |
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