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Author Mader, D.R.; Price, E.O. url  openurl
  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 (up) 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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  Series Volume Series Issue Edition  
  ISSN 0021-8812 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:7390949 Approved no  
  Call Number refbase @ user @ Serial 679  
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Author Rubin, L.; Oppegard, C.; Hindz, H.F. url  doi
openurl 
  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 (up) 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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  ISSN 0021-8812 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:7400060 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3558  
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Author Haag, E.L.; Rudman, R.; Houpt, K.A. openurl 
  Title Avoidance, maze learning and social dominance in ponies Type Journal Article
  Year 1980 Publication J. Anim. Sci. Abbreviated Journal  
  Volume (up) 50 Issue Pages 329-335  
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  Notes Cited By (since 1996): 16; Export Date: 24 October 2008 Approved no  
  Call Number Admin @ knut @ Serial 4593  
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Author van Niekerk, H.P. openurl 
  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 (up) 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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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1019-9128 ISBN Medium  
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  Notes PMID:7241494 Approved no  
  Call Number refbase @ user @ Serial 1960  
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Author Hintz, R.L. openurl 
  Title Genetics of performance in the horse Type Journal Article
  Year 1980 Publication Journal of Animal Science Abbreviated Journal J. Anim Sci.  
  Volume (up) 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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  ISSN 0021-8812 ISBN Medium  
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  Notes PMID:7440446 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3758  
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Author Salter Re, P.D. openurl 
  Title Determinants of mineral lick utilization by feral horses Type Journal Article
  Year 1980 Publication Abbreviated Journal Northwest Sci  
  Volume (up) 54 Issue Pages 109-118  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1554  
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Author Keiper Rr, K.M. openurl 
  Title Nocturnal activity patterns of feral ponies Type Journal Article
  Year 1980 Publication Abbreviated Journal J Mammal  
  Volume (up) 61 Issue Pages 116-118  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1259  
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Author Keiper, R.R.; Keenan, M.A. openurl 
  Title Nocturnal activity patterns of feral horses Type Journal Article
  Year 1980 Publication J. Mammal Abbreviated Journal J. Mammal  
  Volume (up) 61 Issue Pages 116-118  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2311  
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Author Appleby, M.C. doi  openurl
  Title Social Rank and Food Access in Red Deer Stags Type Journal Article
  Year 1980 Publication Behaviour Abbreviated Journal Behaviour  
  Volume (up) 74 Issue 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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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4860  
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Author Meij Hs, M.J. openurl 
  Title Functional asymmetry in the motor system of the horse Type Journal Article
  Year 1980 Publication Abbreviated Journal S Afr J Sci  
  Volume (up) 76 Issue Pages 552-556  
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  Notes from Professor Hans Klingels Equine Reference List Approved no  
  Call Number Serial 1386  
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