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Author |
Clark, B. |
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Title |
African wild ass |
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Year |
1982 |
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Oryx |
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Oryx |
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17 |
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1 |
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28-31 |
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The African wild ass is endangered. Its habitat is a drought-stricken war zone; its flesh is eaten and is believed to cure hepatitis; it is eagerly sought by dealers and collectors. The author, Chief Curator at Israel's Hai-Bar reserve, examines the problems hindering the conservation of this animal and explains why it is urgently necessary to list it on Appendix I of the Convention on International Trade in Endangered Species of Wild Fauna and Flora at its meeting in April 1983. |
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Equine Behaviour @ team @ |
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2260 |
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Author |
Steiner, M. |
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Title |
Biomechanics of tendon healing |
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Journal Article |
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Year |
1982 |
Publication |
Journal of Biomechanics |
Abbreviated Journal |
J Biomech |
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Volume |
15 |
Issue |
12 |
Pages |
951-958 |
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Keywords |
Achilles Tendon/injuries; Animals; Biomechanics; Rats; Tendon Injuries/pathology/*physiopathology; Tensile Strength; Time Factors; *Wound Healing |
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The biomechanics of tendon healing was investigated with unsutured rat achilles tendons. After two, three, and four weeks of healing tensile parameters were assayed with a bone-muscle-tendon-bone preparation elongated to failure at a controlled physiological strain rate. In the third week of healing, stiffness, strength, and energy absorbing capacity all increased approximately 50%. These changes correlated with early fibroplasia. In the fourth week of healing, strength, energy absorbing capacity and elongation to failure all increased relatively more than stiffness. Histologically, larger fibers with better longitudinal alignment developed during this period. At the end of four weeks the tendon's strength was approximately 25% of normal. To summarize, the return of stiffness in a healing tendon preparation correlated with the presence of fibroplasia and the return of other tensile parameters was a function of the amount and organization of the fibroplasia. |
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0021-9290 |
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PMID:7166555 |
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Call Number |
Equine Behaviour @ team @ |
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4448 |
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Author |
Donnelly, J.; Phipps, L.P.; Watkins, K.L. |
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Title |
Evidence of maternal antibodies to Babesia equi and B caballi in foals of seropositive mares |
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Journal Article |
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Year |
1982 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
14 |
Issue |
2 |
Pages |
126-128 |
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Keywords |
Animals; Antibodies/*analysis; Babesia/*immunology; Complement Fixation Tests; Female; Horses/*immunology; Immunity, Maternally-Acquired; Male; Time Factors |
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0425-1644 |
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PMID:7084196 |
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Equine Behaviour @ team @ |
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2280 |
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Author |
Penzhorn Bl, |
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Title |
Habitat selection by Cape Mountain Zebras in the mountain zebra national park |
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Journal Article |
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Year |
1982 |
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Abbreviated Journal |
Afr J Wildl Res |
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12 |
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Pages |
48-54 |
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from Professor Hans Klingels Equine Reference List |
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1452 |
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Author |
Brooks, P.M. |
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Zebra, wildebeest and buffalo sub-population areas in the Hluhluwe-Corridor-Umfolozi Complex, Zululand, and their application in management. |
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1982 |
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S. Afr. J. Wildl. Res. |
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12 |
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140-146 |
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Equine Behaviour @ team @ |
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2251 |
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Author |
Nishida T; Hiraiwa M |
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Title |
Natural history of tool-using behavior by wild chimpanzees in feeding upon wood-boring ants |
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Journal Article |
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Year |
1982 |
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J. Hum. Evol. |
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11 |
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73 |
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Equine Behaviour @ team @ |
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3022 |
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Author |
Beck, B.B. |
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Title |
Chimpocentrism: Bias in cognitive ethology |
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Journal Article |
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Year |
1982 |
Publication |
Journal of Human Evolution |
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11 |
Issue |
1 |
Pages |
3-17 |
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herring gull; chimpanzee; cognition; tool-use; shell-dropping; mollusk; predation |
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Abstract |
Herring gulls drop hard-shelled mollusks and hermit crab-inhabited molluskan prey in order to break the shells and gain access to the edible interior. A field study of predatory shell dropping on Cape Cod, Massachusetts, U.S.A. showed that the gulls usually drop the same shell repeatedly, orient directly to dropping sites that are invisible from the point at which the mollusks are captured, drop preferentially on hard surfaces, adjust dropping heights to suit the area and elasticity of the substrate, orient directly into the wind while dropping, sever the large defensive cheliped of hermit crabs before consumption, and rinse prey that is difficult to swallow. Proficiency in prey dropping is acquired through dropping objects in play, trial-and-error learning, and perhaps, observation learning.
Observable attributes of predatory shell-dropping support inferences that the gulls are capable of extended concentration, purposefulness, mental representation of spatially and temporally displaced environmental features, cognitive mapping, cognitive modeling, selectivity, and strategy formation. Identical cognitive processes have been inferred to underlie the most sophisticated forms of chimpanzee tool-use.
Advanced cognitive capacities are not restricted to chimpanzees and other pongids, and are not associated uniquely with tool use. The chimpocentric bias should be abandoned, and reconstructions of the evolution of intelligence should be modified accordingly. |
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Equine Behaviour @ team @ |
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4414 |
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Author |
Galdikas BMF |
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Title |
Orang-utan tool-use in Tanjung Puting Reserve, Central Borneo (Kalimantan Tengah) |
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1982 |
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J. Hum. Evol. |
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10 |
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19 |
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Equine Behaviour @ team @ |
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2994 |
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Author |
Campitelli, S.; Carenzi, C.; Verga, M. |
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Title |
Factors which influence parturition in the mare and development of the foal |
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Journal Article |
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1982 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
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9 |
Issue |
1 |
Pages |
7-14 |
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Observations are reported of 127 foals born to 127 mares. In particular, comparisons are made between the mare's tendency to foal at night, the length of gestation, the weight of the foal and the weight of the foetal membrane, the time taken by the foal to attain a standing position and the time taken by the mare to expel the foetal membrane and the age of the mare and the season.
The new facts that emerge from the results are: (a) foals from middle-aged (6–11 years) mares are heavier; (b) variations of gestation length are related to the month of conception (just a trend, not a statistically significant result); (c) time for the foal to stand is related to the foal sex (females: 56.3 minutes; males 70.6 minutes, on average), and to the time taken by the mare to expel the foetal membrane; (d) parturitions take place mainly (80%) during the hours of darkness. In spring, the percentage of night births (85%) is higher than in winter (78%). |
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from Professor Hans Klingels Equine Reference List |
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984 |
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Author |
Keiper Rr, B.J. |
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Title |
Refuge – seeking and pest avoidance by feral horses in desert and island environments |
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Year |
1982 |
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App Anim Ethol |
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9 |
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111-120 |
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from Professor Hans Klingels Equine Reference List |
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Call Number |
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1257 |
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