| Records |
| Author |
Yamakoshi G; Sugiyama Y |
| Title |
Pestle-pounding behavior of wild chimpanzees at Bossou, Guinea: a newly observed tool-using behavior |
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Journal Article |
| Year |
1995 |
Publication |
Primates |
Abbreviated Journal |
Primates |
| Volume |
36 |
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489 |
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Equine Behaviour @ team @ |
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3052 |
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| Author |
Visalberghi E; Fragaszy DM; Savage-Rumbaugh ES |
| Title |
Performance in a tool-using task by common chimpanzees (Pan troglodytes), bonobos (Pan paniscus), an orangutan (Pongo pygmaeus), and capuchin monkeys (Cebus apella) |
Type |
Journal Article |
| Year |
1995 |
Publication |
J. Comp. Psychol. |
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| Volume |
109 |
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52 |
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Equine Behaviour @ team @ |
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3077 |
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| Author |
Anderson B. |
| Title |
Dendrites and cognition: A negative pilot study in the rat |
Type |
Journal Article |
| Year |
1995 |
Publication |
Intelligence |
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| Volume |
20 |
Issue |
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Pages |
291-308 |
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3453 |
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| Author |
Gärdenfors P. |
| Title |
Cued and detached representations in animal cognition |
Type |
Journal Article |
| Year |
1995 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
35 |
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Pages |
263-273 |
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3454 |
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| Author |
Beer C.G. |
| Title |
Trial and error in the evolution of cognition |
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Journal Article |
| Year |
1995 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
35 |
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215-224 |
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3455 |
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| Author |
Laughlin N.K.; Lasky R.E.; Luck M.L.; Kluender K.R.; Hecox K.E. |
| Title |
Early lead exposure alters behavioral and electrophysiological indices of auditory processing in the rhesus monkey |
Type |
Journal Article |
| Year |
1995 |
Publication |
Neurotoxicology and Teratology |
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17 |
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374-374 |
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refbase @ user @ |
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3456 |
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| Author |
Houpt, K.A. |
| Title |
Learning in horses. |
Type |
Book Chapter |
| Year |
1995 |
Publication |
The thinking horse. |
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Pages |
12-17 |
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Equine Research Centre |
Place of Publication |
Guelph, Canada |
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no |
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Equine Behaviour @ team @ |
Serial |
3585 |
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| Author |
Robinson, T.A.; Foster, T.M.; Temple, W.; Poling, A. |
| Title |
Performance of domestic hens under progressive-ratio schedules of food delivery |
Type |
Journal Article |
| Year |
1995 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
34 |
Issue |
3 |
Pages |
233-239 |
| Keywords |
Progressive-ratio schedule; Domestic hen; Behavioral economics; Satiation |
| Abstract |
Domestic hens were exposed to progressive-ratio 2 and progressive-ratio 10 schedules of food delivery with different initial ratios (2, 10, 20, 30, and 40). Breaking points, defined as the largest ratios completed before responding ceased for 600 consecutive seconds, were recorded under all conditions. In general, breaking points were higher under the PR 10 schedule than under the PR 2 schedule, and the value of the initial ratio did not systematically affect the breaking point. The former finding suggests that relative satiation affected breaking points in the present study, but the latter finding suggests that the primary determinant was the `price' of the reinforcer, defined in terms of the number of responses required to produce it. Breaking points were similar under conditions where initial ratios changed from session to session and under more conventional conditions, where initial ratios remained unchanged over several sessions. |
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no |
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Equine Behaviour @ team @ |
Serial |
3605 |
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| Author |
Marinier, S.L.; Alexander, A.J. |
| Title |
Coprophagy as an avenue for foals of the domestic horse to learn food preferences from their dams |
Type |
Journal Article |
| Year |
1995 |
Publication |
Journal of Theoretical Biology |
Abbreviated Journal |
J. Theor. Biol. |
| Volume |
173 |
Issue |
2 |
Pages |
121-124 |
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| Abstract |
Observation of foal development shows that the appearance of adult-type motor grazing behaviour, selection of grass vs. non-grass and the avoidance of poisonous plants occur concurrently between the ages of 4 and 6 weeks. Suckling behaviour and close association of foal with dam change with time but show no particular coincidence with grazing behavioural changes. Coprophagy of the foal on maternal faeces does, however, correspond chronologically with the foal learning to graze selectively. This correspondence suggests that, as well as other uses, in domestic horses coprophagy may function to imprint on the foal the food-selective values of its dam. |
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no |
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Equine Behaviour @ team @ |
Serial |
3626 |
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| Author |
Hinchcliff, K.W.; Kohn, C.W.; Geor, R.; McCutcheon, L.J.; Foreman, J.; Andrews, F.M.; Allen, A.K.; White, S.L.; Williamson, L.H.; Maykuth, P.L. |
| Title |
Acid:base and serum biochemistry changes in horses competing at a modified 1 Star 3-day-event |
Type |
Journal Article |
| Year |
1995 |
Publication |
Equine Veterinary Journal. Supplement |
Abbreviated Journal |
Equine Vet J Suppl |
| Volume |
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Issue |
20 |
Pages |
105-110 |
| Keywords |
*Acid-Base Equilibrium; Animals; Blood Proteins/analysis; Body Water/metabolism; Carbon Dioxide/blood; Electrolytes/*blood; Female; Hematocrit/veterinary; Homeostasis; Horses/*blood/physiology; Hydrogen-Ion Concentration; Male; Physical Conditioning, Animal/*physiology |
| Abstract |
We examined the effects of participation in each of 3 modifications of Day 2 of a 3-day-event on blood and serum variables indicative of hydration, acid:base status and electrolyte homeostasis of horses. Three groups of horses – 8 European (E) horses and 2 groups each of 9 North American horses performed identical Days 1 (dressage) and 3 (stadium jumping) of a 3-day-event. E horses and one group of the North American horses (TD) performed modifications of Day 2 of a 1 Star 3-day-event and the other group of North American horses (HT) performed a Horse Trial on Day 2. Jugular venous blood was collected from each horse on the morning of Day 2 before any warm-up activity, between 4 min 55 s and 5 min 15 s after Phase D and the following morning. Eight E horses, 5 TD horses and 8 HT horses completed the trials. There were few significant differences in acid:base or serum biochemistry variables detected among horses performing either 2 variations of the Speed and Endurance day of a 1 Star 3-day-event, or a conventional Horse Trial. Failure to detect differences among groups may have been related to the low statistical power associated with the small number of horses, especially in the TD group, variation in quality of horses among groups and the different times of the day at which the E horses competed. Differences detected among time points were usually common to all groups and demonstrated metabolic acidosis with a compensatory respiratory alkalosis, a reduction in total body water and cation content, and hypocalcaemia. Importantly, horses of all groups did not replenish cation, chloride, and calcium deficits after 14-18 h of recovery. |
| Address |
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Ohio State University, Columbus 43210-1089, USA |
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English |
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| Notes |
PMID:8933092 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3740 |
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