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Author Miller R,
Title Seasonal movements and home ranges of feral horse bands in Wyoming's Red Desert Type Journal Article
Year 1983 Publication Abbreviated Journal J Range Mgmt
Volume 36 Issue Pages 199-201
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1396
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Author Ryder O,
Title The quagga is gone but its genes may survive Type Journal Article
Year 1983 Publication Abbreviated Journal Zoonooz San Diego Zoo
Volume 16 Issue Pages
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1536
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Author Shaki Sp,
Title About the indian Wild ass Type Journal Article
Year 1983 Publication Abbreviated Journal Tigerpaper
Volume 10 Issue Pages 13-16
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Notes from Professor Hans Klingels Equine Reference List Approved no
Call Number Serial 1588
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Author Lindsay, F.E.; Burton, F.L.
Title Observational study of “urine testing” in the horse and donkey stallion Type Journal Article
Year 1983 Publication Equine Veterinary Journal Abbreviated Journal Equine Vet J
Volume 15 Issue 4 Pages 330-336
Keywords Animals; *Behavior, Animal; Horses/anatomy & histology/*physiology; Male; Nasal Septum; Nose/anatomy & histology; Olfactory Mucosa/physiology; Perissodactyla/*physiology; Sex Attractants/urine; Smell/physiology
Abstract Although “urine testing” is said to enable the male equid to assess the sexual status of the mare, there are no reports in the literature of any detailed study of this behavioural response of the stallion. Behavioural response to conspecific urine was studied in two horse stallions and one donkey stallion. The relevant nasopalatine anatomy is described. Events observed during urine testing included head, neck, lip, jaw, tongue movements, penile changes and nasal secretion. Nasal endoscopy indicated that the source of part of the nasal secretion was the secretory glands of the vomeronasal organ complex. The significance and probable function of these events in urine testing is discussed.
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ISSN 0425-1644 ISBN Medium
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Notes PMID:6641679 Approved no
Call Number refbase @ user @ Serial 1955
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Author Crook, J.H.
Title On attributing consciousness to animals Type Journal Article
Year 1983 Publication Nature Abbreviated Journal Nature
Volume 303 Issue 5912 Pages 11-14
Keywords Animals; *Behavior, Animal; Cognition; *Consciousness; Evolution; Learning
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ISSN 0028-0836 ISBN Medium
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Notes PMID:6843653 Approved no
Call Number Equine Behaviour @ team @ Serial 2795
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Author Ristau, C.A.
Title Language, cognition, and awareness in animals? Type Journal Article
Year 1983 Publication Ann. N.Y. Acad. Sci. Abbreviated Journal
Volume 406 Issue 1 Pages 170-186
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 2952
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Author Wimmer H; Perner J
Title Beliefs about beliefs: representation and constraining function of wrong beliefs in young children's understanding of deception Type Journal Article
Year 1983 Publication Cognition Abbreviated Journal
Volume 13 Issue Pages 103
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Notes Approved no
Call Number Equine Behaviour @ team @ Serial 3051
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Author Premack, D.
Title Animal Cognition Type Journal Article
Year 1983 Publication Annual Review of Psychology Abbreviated Journal
Volume 34 Issue 1 Pages 351-362
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Notes Approved no
Call Number refbase @ user @ Serial 3535
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Author Langlois, B.; Minkema, D.; Bruns, E.
Title Genetic problems in horse breeding Type Journal Article
Year 1983 Publication Livestock Production Science Abbreviated Journal
Volume 10 Issue 1 Pages 69-81
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Abstract The purpose of this paper is to give a short survey of the present problems concerning the genetic improvement of horse breeds. The evolution of these populations in Europe, characterized by a deep change from production of draught horses towards that of leisure horses, is described and the influence of the demographical parameters on the selection of these horse populations, is discussed. The generation interval represents an important handicap only surmounted in the case of racing breeds where a high selection intensity can be practised since all animals are subjected to performance testing. In the other cases, the farmer usually does not use modern breeding techniques, but uses crosses instead, which lead more easily to visible results. The available selection criteria are also dealt with. A distinction is made between direct estimates evaluating the abilities of the animals in practice and the indirect estimates measuring a character in correlation to previous ones. For the former estimates, a distinction is made between those resulting from competitions (handicap, records or earnings) and those resulting from direct in-station measurements (saddle, jumping, dressage abilities, draught power). For the indirect estimates, often used especially for the selection of mares, the most important analysis is obviously that of the conformation. However, in the future early selection criteria according to more physiological data should be sought and developed. Estimation of the breeding value according to a given ability is thereafter pointed out. There are two situations: “the panmictic case” concerning sport and draught horses and “the non-panmictic case” corresponding to racing horses, which give rise to some problems. The setting up of breeding plans is discussed. Due to the different economic situations and various objectives of horse production, conclusions are drawn about the role played by geneticists in the present development of this sector.
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Notes Approved no
Call Number refbase @ user @ Serial 3967
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Author Wolfe, J.M.
Title Hidden visual processes Type Journal Article
Year 1983 Publication Scientific American Abbreviated Journal Sci Am
Volume 248 Issue 2 Pages 94-103
Keywords Color Perception/*physiology; Humans; Motion Perception/physiology; Ocular Physiology; Vision; Visual Perception/*physiology
Abstract Isoluminant stimulus is an image whose edges are defined only by a change in color, not by change in brightness. The stimulus here is imperfect: the blue parts and the green parts of the image are only as nearly equal in brightness as they can be on the printed page. Moreover, the change in brightness beyond the edge of the page is apparent, and so is the fact that the reader is holding the magazine at reading distance. When such cues are removed under laboratory conditions, subjects faced with an isoluminant stimulus prove unable to bring its edges into focus. This deficiency contributes to making a familiar face hard to recognize. The experiment indicates that the brain process underlying visual accommodation (the focusing of the eyes) cannot “see” color; it is a hidden process distinct from the processes that lead to perception. The image shows Groucho Marx as he appeared in the motion picture Horse Feathers.
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ISSN 0036-8733 ISBN Medium
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Notes PMID:6836258 Approved no
Call Number Equine Behaviour @ team @ Serial 4066
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