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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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Volume |
14 |
Issue |
1 |
Pages |
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 @ |
Serial |
6504 |
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Author |
Blakeman, N.E.; Friend, T.H. |
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Title |
Visual discrimination at varying distances in Spanish goats |
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Journal Article |
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Year |
1986 |
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Appl Anim Behav Sci |
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16 |
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Call Number |
Equine Behaviour @ team @ Blakeman1986 |
Serial |
6251 |
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Author |
Crowell-Davis, S.L. |
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Title |
Spatial relations between mares and foals of the Welsh pony (Equus caballus) |
Type |
Journal Article |
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Year |
1986 |
Publication |
Animal Behaviour |
Abbreviated Journal |
Anim Beh |
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Volume |
34 |
Issue |
4 |
Pages |
1007-1015 |
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Abstract |
Welsh pony mares and foals (Equus caballus) were usually found to be within 1 or 5 m of each other during the first week of the foal's life and gradually spent more time at greater distances as the foals became older. There was an overall levelling of the trend during the 9th-15th weeks of life of the foal, followed by a second period of change during weeks 16-24. Through weeks 21-24, mares and foals spent at least half of their time within 5 m of each other. Proximity was primarily due to foal activity except during foal recumbency. During the first 8 weeks of the foal's life, a mare remained close by when it was recumbent, either by grazing in a circle around it or by standing upright beside it. Mares and foals were most likely to be close together when they were resting upright with the other ponies in the herd and most likely to be far apart when the foal was playing. Similarities in patterns of spatial relationship between the foals of a given mare were demonstrated. There was no difference between colts and filies in the development of independence. |
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0003-3472 |
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Equine Behaviour @ team @ |
Serial |
6505 |
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Author |
Rutberg, A.T. |
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Title |
Horse Fly Harassment and the Social Behavior of Feral Ponies |
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Journal Article |
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Year |
1987 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
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Volume |
75 |
Issue |
2 |
Pages |
145-154 |
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Abstract |
Abstract Horse flies (Tabanidae) on and around feral ponies in harem groups were counted at Assateague Island National Seashore, Maryland, U.S.A., between June and August 1985. Harem stallions attracted the most flies; adult mares showed intermediate fly numbers, while few flies landed on foals under any circumstances. The use of thermal and chemical cues by flies selecting a host may have helped create this disparity. When flies were abundant, ponies reduced spacing within the group. Ponies in larger groups suffered from fewer flies than ponies in smaller groups. There was, however, no evidence that ponies merged into larger groups in response to fly harassment, suggesting that biting flies play little role in structuring pony social organization. |
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Wiley/Blackwell (10.1111) |
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0179-1613 |
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doi: 10.1111/j.1439-0310.1987.tb00648.x |
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Equine Behaviour @ team @ |
Serial |
6417 |
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Author |
Harrington, F.H. |
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Title |
Aggressive howling in wolves |
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Journal Article |
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Year |
1987 |
Publication |
Anim Behav |
Abbreviated Journal |
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Volume |
35 |
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Call Number |
Equine Behaviour @ team @ Harrington1987 |
Serial |
6457 |
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Author |
Drevemo, S.; Fredricson, I.; Hjertén, G.; McMIKEN, D. |
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Title |
Early development of gait asymmetries in trotting Standardbred colts |
Type |
Journal Article |
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Year |
1987 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine. Vet. J. |
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Volume |
19 |
Issue |
3 |
Pages |
189-191 |
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Abstract |
Summary Ten trotting Standardbred colts were recorded by high-speed cinematography at the ages of eight, 12 and 18 months. The horses were trotting on a treadmill operating at 4.0 m/secs. Five horses were subjected to a programme of intensified training from eight months of age, whereas the others were not trained and acted as controls. The films were analysed on a semi-automatic film-reading equipment and a number of variables used to demonstrate the gait symmetry were calculated and scaled by computer. Certain differences between left and right diagonal and contralateral pair of limbs, respectively, were noted, suggesting that laterality in horses may be inherited. The most pronounced systematic differences were found in 18-month old horses in the trained group. The results show the importance of careful gait examination and comprehensive coordination training at an early age. |
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American Medical Association (AMA) |
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0425-1644 |
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Notes |
https://doi.org/10.1111/j.2042-3306.1987.tb01373.x |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6702 |
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Author |
Kruska, D. |
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Title |
Mammalian domestication and its effect on brain structure and behavior |
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Book Chapter |
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Year |
1988 |
Publication |
Intelligence and Evolutionary Biology |
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Springer-Verlag |
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New York |
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Jerison, H.J.; Jerison, I. |
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Equine Behaviour @ team @ Kruska1988 |
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6232 |
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Author |
O'Brien, P.H. |
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Title |
Feral goat social organization: a review and comparative analysis |
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Journal Article |
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Year |
1988 |
Publication |
Appl Anim Behav Sci |
Abbreviated Journal |
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21 |
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Call Number |
Equine Behaviour @ team @ O'Brien1988 |
Serial |
6270 |
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Author |
Jerison H. J. |
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Title |
Intelligence and Evolutionary Biology |
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1988 |
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Jerison H. J., Jerison, J. |
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Equine Behaviour @ team @ |
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6402 |
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Author |
Fuller, T.K.; Sampson, B.A. |
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Title |
Evaluation of a simulated howling survey for wolves |
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1988 |
Publication |
J Widl Manag |
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52 |
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Equine Behaviour @ team @ Fuller1988 |
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6458 |
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