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Author |
Lowenstein Jm, |
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Title  |
Half- striped quagga was a plains zebra |
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Year |
1985 |
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Abbreviated Journal |
New Scientist |
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107 |
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27 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1351 |
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Author |
Shettleworth, S.J. |
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Title |
Handling time and choice in pigeons |
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Journal Article |
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Year |
1985 |
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Abbreviated Journal |
J Exp Anal Behav |
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Volume |
44 |
Issue |
2 |
Pages |
139-155 |
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Abstract |
According to optimal foraging theory, animals should prefer food items with the highest ratios of energy intake to handling time. When single items have negligible handling times, one large item should be preferred to a collection of small ones of equivalent total weight. However, when pigeons were offered such a choice on equal concurrent variable-interval schedules in a shuttlebox, they preferred the side offering many small items per reinforcement to that offering one or a few relatively large items. This preference was still evident on concurrent fixed-cumulative-duration schedules in which choosing the alternative with longer handling time substantially lowered the rate of food intake. |
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0022-5002 |
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PMID:16812429 |
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no |
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Call Number |
refbase @ user @ |
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383 |
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Author |
Youket, R.J.; Carnevale, J.M.; Houpt, K.A.; Houpt, T.R. |
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Title |
Humoral, hormonal and behavioral correlates of feeding in ponies: the effects of meal frequency |
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Journal Article |
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Year |
1985 |
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Journal of animal science |
Abbreviated Journal |
J. Anim Sci. |
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Volume |
61 |
Issue |
5 |
Pages |
1103-1110 |
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Keywords |
Animals; Behavior, Animal/physiology; Blood Glucose/*analysis; Blood Proteins/*analysis; Blood Volume; *Eating; Feeding Behavior/physiology; Female; Heart Rate; Horses/blood/*physiology; Male; Osmolar Concentration; Osmotic Pressure; Triiodothyronine/*blood |
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Abstract |
The effect of meal frequency on body fluid, glucose, triiodothyronine (T3), heart rate and behavior was measured in 10 ponies. A simple reversal design was used in which each pony received one meal/day (1X) for 2 wk and six meals/day (6X) for 2 wk. The total intake/day was held constant. Feeding was followed by a rise in plasma levels of glucose, T3, protein and osmolality. One large meal was followed by significantly greater changes in all of the variables than was a meal one-sixth the size. Plasma T3 rose from 41 +/- 5 (SE) ng/liter before feeding to 43 +/- 5 ng/liter following a small meal, but rose significantly higher, from 39 +/- 4 to 60 +/- 10 ng/liter, following a large meal. Glucose rose from 84 +/- 3 to 109 +/- 7 mg/dl following a small meal and rose significantly higher, from 83 +/- 3 to 154 +/- 11 mg/dl, after a large meal. Plasma protein rose from 6.55 +/- .14 to 6.62 +/- .16 g/dl following a small meal and from 6.45 +/- .14 to 6.99 +/- .11 g/dl following a large meal. Osmolality rose from 227 +/- 1 mosmol/liter before to 279 +/- 1 mosmol/liter following a small meal and significantly higher from 278 +/- 2 to 285 +/- 1 mosnol/liter following a large meal. Heart rate rose from 42 beats/min in the absence of feed to 50 beats/min when food was visible to the ponies and did not rise higher when eating began. There were no significant differences in the cardiac response to one large meal and that to a small meal.(ABSTRACT TRUNCATED AT 250 WORDS) |
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0021-8812 |
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PMID:4077755 |
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refbase @ user @ |
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51 |
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Author |
Lowenstein Jm, R.O. |
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Title |
Immunological systematics of the extinct quagga |
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Journal Article |
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Year |
1985 |
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Abbreviated Journal |
Experienta |
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Volume |
41 |
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Pages |
1192-1193 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1353 |
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Author |
Berger J. |
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Title |
Interspecific Interactions and Dominance among Wild Great Basin Ungulates |
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Journal Article |
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Year |
1985 |
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Journal of Mammalogy |
Abbreviated Journal |
J. Mamm. |
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66 |
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3 |
Pages |
. 571-573 |
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Call Number |
Equine Behaviour @ team @ |
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2231 |
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Author |
EISENMANN, V. |
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Title |
Le couagga: un zebre aux origines. |
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Journal Article |
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Year |
1985 |
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Abbreviated Journal |
La Recherche |
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Volume |
16 |
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Pages |
254-256 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1055 |
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Author |
Crowell-Davis, S.L. |
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Title |
Nursing behaviour and maternal aggression among Welsh ponies (Equus caballus) |
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Journal Article |
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Year |
1985 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl Anim Behav Sci |
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14 |
Issue |
1 |
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11-25 |
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Abstract |
Nursing behaviour and related aggression of mare-foal pairs was studied from birth (n = 21) to 24 weeks of age (n = 15) of the foal. Foals exhibited a decreasing length and frequency of nursing as they grew older. Mares rarely aggressed against their foals during nursing in the foal's first 4 weeks of life, but did so increasingly through Weeks 13-16, after which the rate of aggression during nursing decreased. Mares terminated nursing primarily by moving away, and were most likely to do so during the foal's first 4 weeks of life. They became gradually less likely to do so as the foal grew older. It was concluded that mares sometimes flex their hind limb on the side opposite the foal during nursing in order to conserve energy in a situation in which they would be remaining still anyway. There was no difference between colts and fillies in the frequency or duration of nursing or in the frequency with which their mothers aggressed against them or terminated nursing. |
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0168-1591 |
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Equine Behaviour @ team @ |
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6504 |
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Author |
Cook, M.; Mineka, S.; Wolkenstein, B.; Laitsch, K. |
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Title |
Observational conditioning of snake fear in unrelated rhesus monkeys |
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Journal Article |
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Year |
1985 |
Publication |
Journal of abnormal psychology |
Abbreviated Journal |
J Abnorm Psychol |
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94 |
Issue |
4 |
Pages |
591-610 |
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Keywords |
Animals; *Conditioning, Classical; *Fear; Female; Macaca mulatta; Male; Snakes |
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0021-843X |
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PMID:4078162 |
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refbase @ user @ |
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707 |
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Author |
Hoffmann R, |
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Title |
On the development of scial behaviour in immature males of a feral horse population |
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1985 |
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Z Säugetierk |
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50 |
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302-314 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1192 |
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Author |
Galdikas BMF |
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Title |
Orangutan sociality at Tanjung Puting |
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1985 |
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Am. J. Primatol. |
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9 |
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101 |
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Equine Behaviour @ team @ |
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2995 |
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