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Author |
Mader, D.R.; Price, E.O. |
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Title |
Discrimination learning in horses: effects of breed, age and social dominance |
Type |
Journal Article |
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Year  |
1980 |
Publication |
Journal of animal science |
Abbreviated Journal |
J. Anim Sci. |
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Volume |
50 |
Issue |
5 |
Pages |
962-965 |
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Keywords |
Aging; Animals; *Discrimination Learning; Female; Horses/*physiology; *Social Dominance |
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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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English |
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0021-8812 |
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Notes |
PMID:7390949 |
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Call Number |
refbase @ user @ |
Serial |
679 |
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Author |
van Niekerk, H.P. |
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Title |
Ethological studies within the man-horse relationship |
Type |
Journal Article |
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Year |
1980 |
Publication |
Journal of the South African Veterinary Association |
Abbreviated Journal |
J S Afr Vet Assoc |
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Volume |
51 |
Issue |
4 |
Pages |
237-238 |
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Keywords |
Animals; Behavior, Animal; Hearing; Horses/*physiology; Humans; Smell; Taste; Touch; Vision |
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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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ISSN |
1019-9128 |
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Notes |
PMID:7241494 |
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Call Number |
refbase @ user @ |
Serial |
1960 |
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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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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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English |
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ISSN |
0147-9571 |
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Notes |
PMID:6258848 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2692 |
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Author |
Rubin, L.; Oppegard, C.; Hindz, H.F. |
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Title |
The effect of varying the temporal distribution of conditioning trials on equine learning behavior |
Type |
Journal Article |
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Year |
1980 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
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Volume |
50 |
Issue |
6 |
Pages |
1184-1187 |
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Keywords |
Animals; Conditioning (Psychology); *Horses; *Learning |
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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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ISSN |
0021-8812 |
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Notes |
PMID:7400060 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3558 |
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Author |
Hintz, R.L. |
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Title |
Genetics of performance in the horse |
Type |
Journal Article |
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Year |
1980 |
Publication |
Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
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Volume |
51 |
Issue |
3 |
Pages |
582-594 |
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Keywords |
Animals; Exertion; Horses/*genetics/physiology; Sports |
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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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English |
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ISSN |
0021-8812 |
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Notes |
PMID:7440446 |
Approved |
no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3758 |
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Author |
Jeffcott, L.B.; Dalin, G. |
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Title |
Natural rigaidity of the horse's backbone |
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 |
3 |
Pages |
101-108 |
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Keywords |
Animals; Back Pain/physiopathology/veterinary; Horses/*anatomy & histology/physiology; Spine/*anatomy & histology/physiology |
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Abstract |
The functional anatomy of the thoracolumbar (TL) spine is considered in relation to the horse's ability to perform at speed and to jump. The morphological features quite clearly show the relative inflexibility of the equine back and this was confirmed by some experimental studies. Fresh post mortem specimens from 5 Thoroughbreds were used to estimate the limits of dorsoventral movement of the TL spine from mid-thoracic to the cranial lumbar (T10-L2). The individual spinous processes could be moved a mean 1.1-6.0 mm on maximum ventroflexion and 0.8-3.8 mm on dorsiflexion. The overall flexibility of the back was found to be 53.1 mm. Caudal to the mid-point of the back (T13) there was virtually no lateral or rotatory movement of the spine possible. The pathogenesis of some of the common causes of back trouble are discussed including the so-called vertebral subluxation and its treatment by chiropractic manipulation. From an anatomical viewpoint, this condition appears to be a misnomer and may simply be attributable to muscular imbalance leading to aspastic scoliosis. |
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Series Volume |
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ISSN |
0425-1644 |
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Notes |
PMID:6447593 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3811 |
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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 |
Type |
Journal Article |
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Year |
1980 |
Publication |
Fortschritte in der Tierphysiologie und Tierernahrung |
Abbreviated Journal |
Fortschr Tierphysiol Tierernahr |
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Volume |
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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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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 |
Hendricks, J.C.; Morrison, A.R. |
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Title |
Normal and abnormal sleep in mammals |
Type |
Journal Article |
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Year |
1981 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
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Volume |
178 |
Issue |
2 |
Pages |
121-126 |
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Keywords |
Animals; Cat Diseases/physiopathology; Cats; Cattle; Dog Diseases/physiopathology; Dogs; Dreams; Horses/physiology; Humans; Narcolepsy/physiopathology/veterinary; Sleep/*physiology; Sleep Apnea Syndromes/physiopathology/veterinary; Sleep Disorders/physiopathology/*veterinary; Sleep, REM/physiology |
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ISSN |
0003-1488 |
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Notes |
PMID:7204232 |
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no |
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Call Number |
refbase @ user @ |
Serial |
101 |
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Author |
Beaver, B.V. |
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Title |
Problems & values associated with dominance |
Type |
Journal Article |
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Year |
1981 |
Publication |
Veterinary medicine, small animal clinician : VM, SAC |
Abbreviated Journal |
Vet Med Small Anim Clin |
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Volume |
76 |
Issue |
8 |
Pages |
1129-1131 |
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Keywords |
Animals; *Animals, Domestic; *Behavior, Animal; Cats; Cattle; Dogs; Horses; *Social Dominance; Swine |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0042-4889 |
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Notes |
PMID:6914851 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
678 |
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