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Author Colahan, P.; Lindsey, E.; Nunier, C. openurl 
  Title (up) Determination of the center of pressure of the hoofs of the forelimbs of horses standing on a flat level surface Type Journal Article
  Year 1993 Publication Acta Anatomica Abbreviated Journal Acta Anat (Basel)  
  Volume 146 Issue 2-3 Pages 175-178  
  Keywords Animals; Forelimb/*physiology; Hoof and Claw/*physiology; Horses/*physiology; *Posture; Pressure  
  Abstract The pressure exerted on a flat level surface by recently trimmed, unshod hoofs of the front limbs of 23 sound, adult horses was measured using pressure-sensitive film and a specially built cassette. The horses were tranquilized and stood with one foot on the 2.9-cm-thick cassette and the other on a block of equal height. The hoofs were observed for motion during the measurement, and the developed film was examined for improper alignment of the film or slipping of the hoof. The center of pressure was located using the method of weighted proportions of Barrey. This static measurement system with a long measurement time and the number of measurements reduced the influence of variables inherent in the horses' behavior and the measuring system. The calculated point was recorded as falling medial to, lateral to or on a line bisecting the central sulcus of the frog. In the dorsal to palmar orientation the point was classified with reference to a line drawn halfway between the most dorsal and the most palmar mark on the film. Forty-six percent of the calculated centers of pressure were located in the medial heel area. Binomial analysis for large samples indicates that this was a significant variation from a random distribution. Seventy-six percent of the centers were located in or on the borders of the medial heel.  
  Address College of Veterinary Medicine, University of Florida, Gainesville 32608-0136  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0001-5180 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8470462 Approved no  
  Call Number refbase @ user @ Serial 1946  
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Author Clayton, H.M. openurl 
  Title (up) Development of conditioning programs for dressage horses based on time-motion analysis of competitions Type Journal Article
  Year 1993 Publication Journal of Applied Physiology (Bethesda, Md. : 1985) Abbreviated Journal J Appl Physiol  
  Volume 74 Issue 5 Pages 2325-2329  
  Keywords Animals; Horses/*physiology; *Physical Conditioning, Animal; *Sports; Statistics; Time Factors; *Time and Motion Studies; Videotape Recording  
  Abstract The time-motion characteristics of Canadian basic- and medium-level dressage competitions are described, and the results are applied in formulating sport-specific conditioning programs. One competition was analyzed at the six levels from basic 1 to medium 3. Each test was divided into a series of sequences based on the type and speed of activity. The durations of the sequences were measured from videotapes. The basic-level tests had fewer sequences, and they were shorter in distance and duration than the medium tests (P < 0.10), but the average speed did not differ between the two levels. It is recommended that horses competing at the basic levels be conditioned using 5-min exercise periods, with short (10-s) bursts of lengthened trot and canter included at basic 2 and above. In preparation for medium-level competitions, the duration of the work periods increases to 7 min, 10- to 12-s bursts of medium or extended trot and canter are included, and transitions are performed frequently to simulate the energy expenditure in overcoming inertia.  
  Address Department of Veterinary Anatomy, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Canada  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 8750-7587 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8335563 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3750  
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Author Roper, K.L.; Zentall, T.R. openurl 
  Title (up) Directed forgetting in animals Type Journal Article
  Year 1993 Publication Psychological bulletin Abbreviated Journal Psychol Bull  
  Volume 113 Issue 3 Pages 513-532  
  Keywords Animals; Behavior, Animal; *Cognition; Columbidae; Conditioning (Psychology); Discrimination Learning; Female; Humans; Male; Memory Disorders/*psychology; Reinforcement (Psychology); Task Performance and Analysis  
  Abstract Directed-forgetting research with animals suggests that animals show disrupted test performance only under certain conditions. Important variables are (a) whether during training, the cue to forget (F cue) signals nonreward (i.e., that the trial is over) versus reward (i.e., that reinforcement can be obtained) and (b) given that reinforcement can be obtained on F-cue trials, whether the post-F-cue response pattern is compatible with the baseline memory task. It is proposed that some findings of directed forgetting can be attributed to trained response biases, whereas others may be attributable perhaps to frustration-produced interference. It is suggested that directed forgetting in animals should be studied using procedures similar to those used to study directed forgetting in humans. This can be accomplished by presenting, within a trial, both to-be-remembered and to-be-forgotten material.  
  Address Department of Psychology, University of Kentucky, Lexington 40506  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0033-2909 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:8316612 Approved no  
  Call Number refbase @ user @ Serial 259  
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Author Byrne, R.W. doi  openurl
  Title (up) Do larger brains mean greater intelligence? Type Journal Article
  Year 1993 Publication Behavioral and Brain Sciences Abbreviated Journal Behav. Brain Sci.  
  Volume 16 Issue 4 Pages 696-697  
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  Publisher Cambridge University Press Place of Publication Editor  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1469-1825 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 6171  
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Author Mulder, R.A.; Langmore, N.E. url  doi
openurl 
  Title (up) Dominant males punish helpers for temporary defection in superb fairy-wrens Type Journal Article
  Year 1993 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 45 Issue Pages 830-833  
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  Notes 10.1006/anbe.1993.1100 Approved no  
  Call Number Equine Behaviour @ team @ Serial 4922  
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Author Shah Nv, openurl 
  Title (up) Ecology of wild ass in Little Rann of Kutch Type Manuscript
  Year 1993 Publication Abbreviated Journal  
  Volume Issue Pages  
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  Corporate Author Thesis Doctoral thesis  
  Publisher Place of Publication Baroda University, India. Editor  
  Language Summary Language Original Title  
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  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes from Professor Hans Klingels Equine Reference List Approved yes  
  Call Number Serial 1587  
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Author Budzinsky, M.; Soltys, L; Wawiorko, J. openurl 
  Title (up) Estimate of excitability of half bred horses Type Conference Article
  Year 1993 Publication 43 Annual meeting FEZ. Madrid Abbreviated Journal  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5020  
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Author Mal, M.E.; McCall, C.A.; Newland, C.; Cummins, K.A. doi  openurl
  Title (up) Evaluation of a one-trial learning apparatus to test learning ability in weanling horses Type Journal Article
  Year 1993 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume 35 Issue 4 Pages 305-311  
  Keywords  
  Abstract Fourteen Arabian foals were used to determine if a one-trial appetitive conditioning task, developed for laboratory rats, could be adapted for use in equine learning research. The learning apparatus consisted of a 1.5 m x 0.6 m wooden grid containing 40 compartments. Seven foals received a complete learning test which consisted of placing a foal in a pen with the learning apparatus on one wall, recording the foal's behavior for 5 min and then placing a food reinforcer in a target compartment (TC). After location of the food, the foal's behavior was recorded for an additional 5 min. Total visits made to the apparatus and compartments visited by the foal were recorded. The remaining seven foals received a test in which no reinforcer was placed in the TC. These foals were re-tested the next day with reinforcement. After location of the food reinforcer, all foals exhibited more visits to the apparatus, visits to the TC, visits one compartment from the TC, and visits greater than one and less than or equal to two compartments from the TC (P<0.05). Mean distance of visits from the TC decreased after location of the reinforcer (P<0.05). Increased frequency of visits to the apparatus and concentration of visits around the TC after finding the reinforcer suggest that foals had learned the location of the reinforcer. Results suggest that a one-trial appetitive conditioning test may be applicable in equine learning research.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 3688  
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Author Barton, R.A.; Whiten, A. url  doi
openurl 
  Title (up) Feeding competition among female olive baboons, Papio anubis Type Journal Article
  Year 1993 Publication Animal Behaviour. Abbreviated Journal Anim. Behav.  
  Volume 46 Issue 4 Pages 777-789  
  Keywords  
  Abstract Abstract. Competition for food is thought to play a key role in the social organization of group-living female primates, leading to the prediction that individual foraging success will be partly regulated by dominance relationships. Among adult females in a group of free-ranging olive baboons, dominance rank was significantly correlated with nutrient acquisition rates (feeding rates and daily intakes), but not with dietary diversity or quality, nor with activity budgets. The mean daily food intake of the three highest-ranking females was 30% greater than that of the three lowest-ranking females, providing an explanation for relationships between female rank and fertility found in a number of other studies of group-living primates. The intensity of feeding competition, as measured by supplant rates and spatial clustering of individuals, increased during the dry season, a period of low food availability, seemingly because foods eaten then were more clumped in distribution than those eaten in the wet season. Implications for models of female social structure and maximum group size are discussed.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 4258  
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Author Dugatkin, L.A.; Godin, J.-G.J. url  doi
openurl 
  Title (up) Female mate copying in the guppy (Poecilia reticulata): age-dependent effects Type Journal Article
  Year 1993 Publication Behavioral Ecology Abbreviated Journal Behav. Ecol.  
  Volume 4 Issue 4 Pages 289-292  
  Keywords mate choice, copying, guppy, Poecilia reticulata  
  Abstract Virtually all studies of mate choice to date have assumed that females choose mates independent of one another. Social cues, however, such as the mate choice of conspecifics, may also play an important role in such decisions. Previous work has shown that female guppies of similar age copy each other's choice of mates. Here we examine the effect of relative age on mate choice copying in the guppy, Poecilia reticulata, and examine whether younger individuals are more likely to copy the mate choice of older conspecifics than vice versa. Results indicate that younger females copy the mate choice of older females, but older individuals do not appear to be influenced by the mate choice of younger individuals.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2181  
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