| Records |
| Author |
Rutberg, A.T. |
| Title |
Horse Fly Harassment and the Social Behavior of Feral Ponies |
Type |
Journal Article |
| Year |
1987 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
| Volume |
75 |
Issue |
2 |
Pages |
145-154 |
| Keywords |
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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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| ISSN |
0179-1613 |
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| Notes |
doi: 10.1111/j.1439-0310.1987.tb00648.x |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6417 |
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| Author |
Harrington, F.H. |
| Title |
Aggressive howling in wolves |
Type |
Journal Article |
| Year |
1987 |
Publication |
Anim Behav |
Abbreviated Journal |
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| Volume |
35 |
Issue |
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Pages |
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no |
| Call Number |
Equine Behaviour @ team @ Harrington1987 |
Serial |
6457 |
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| Author |
Drevemo, S.; Fredricson, I.; Hjertén, G.; McMIKEN, D. |
| Title |
Early development of gait asymmetries in trotting Standardbred colts |
Type |
Journal Article |
| Year |
1987 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine. Vet. J. |
| Volume |
19 |
Issue |
3 |
Pages |
189-191 |
| Keywords |
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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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| ISSN |
0425-1644 |
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| Notes |
https://doi.org/10.1111/j.2042-3306.1987.tb01373.x |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
6702 |
| Permanent link to this record |
