| Records |
| Author |
Campitelli, S.; Carenzi, C.; Verga, M. |
| Title |
Factors which influence parturition in the mare and development of the foal |
Type |
Journal Article |
| Year |
1982 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
| Volume |
9 |
Issue |
1 |
Pages |
7-14 |
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| Abstract |
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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no |
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Serial |
984 |
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| Author |
Cox Je, |
| Title |
Factors affecting testis weight in normal and cryptorchid horses |
Type |
Journal Article |
| Year |
1982 |
Publication |
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Abbreviated Journal |
J Reprod Fert Suppl |
| Volume |
32 |
Issue |
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Pages |
129-134 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
994 |
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| Author |
KASEDA Y et al, |
| Title |
Sire – foal relationships between harem stallions and foals in Misaki horses |
Type |
Journal Article |
| Year |
1982 |
Publication |
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Abbreviated Journal |
Jap J Zootech Sci |
| Volume |
53 |
Issue |
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Pages |
822-830 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1241 |
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| Author |
Rubenstein D. I., |
| Title |
Reproductive value and behavioral strategies: coming of age in monkeys and horses |
Type |
Journal Article |
| Year |
1982 |
Publication |
Perspectives in Ethology |
Abbreviated Journal |
Perspect Ethol |
| Volume |
5 |
Issue |
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Pages |
469-487 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1525 |
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| Author |
Ryder, O. A.; Wedemeyer, E. A. |
| Title |
A cooperative breeding programme for the mongolian wild horse Equus Przewalski in the United States |
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Journal Article |
| Year |
1982 |
Publication |
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Abbreviated Journal |
Biol. Cons. |
| Volume |
22 |
Issue |
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Pages |
259-271 |
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from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1540 |
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| Author |
Salter, R. E.; Hudson, R. J. |
| Title |
Social organization of feral horses in western Canada |
Type |
Journal Article |
| Year |
1982 |
Publication |
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Abbreviated Journal |
App. Anim. Ethol. |
| Volume |
8 |
Issue |
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Pages |
207-223 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1553 |
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| Author |
Schäfer M, |
| Title |
Beobachtungen zum Paarungsverhalten des Hausesels |
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Journal Article |
| Year |
1982 |
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Abbreviated Journal |
Säugetierk Mitt |
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30 |
Issue |
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Pages |
13-25 |
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from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1561 |
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| Author |
Sato, S. |
| Title |
Leadership during actual grazing in a small herd of cattle |
Type |
Journal Article |
| Year |
1982 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
| Volume |
8 |
Issue |
1-2 |
Pages |
53-65 |
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An understanding of patterns of leadership during grazing movements is important where the management of grazing cattle is concerned. This paper describes the leadership displayed by grazing cattle by recording the spatial relationship (grazing style) among herd members as the group progressed slowly through a field. Grazing style was divided into “A”, “B” and “C”, meaning following, independence and leading, respectively. The results revealed the following features: (1) the frequency distributions of grazing style and grazing formation used by the herd varied with the seasons; (2) the individual animal variation in grazing style did not fundamentally change with the seasons; (3) there was negative linear correlation between Styles A and C and between Styles A and B. The more any cow followed the grazing movement, the less likely it was to lead the grazing movement or to be independent. Styles C and B tended to be positively related; (4) high, medium and low ranking animals in social dominance showed tendencies to behave in Styles C, A and B, respectively; (5) grazing style and weight gain were not clearly related; (6) the cows that tended to lead, be independent or follow less, tended to get out of their paddocks. The observations suggested (1) that the leader-follower-independent relationship, although modified in each season, did not vary fundamentally, (2) that the active movement of high ranking animals and the independent movement of low ranking animals governed the voluntary formation in grazing, and (3) that as grazing cattle that behaved in a single group and did not escape from their paddock were much easier to manage, the grazing style that expressed these characteristics was one of the significant indices for management of grazing cattle. |
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no |
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2038 |
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| Author |
Powell, A.J.; Wolff, P.R. |
| Title |
Sex differences in mouse urination patterns |
Type |
Journal Article |
| Year |
1982 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
30 |
Issue |
4 |
Pages |
1207-1211 |
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When tested in circular open fields male and female mice (Mus musculus) produced strongly centrifugal urination patterns, which showed a clear `edge-dependency' in all the field sizes used. However, striking sex differences in the pattern of deposition were shown in terms of both the number and distribution of the urine spots. Male mice produce large numbers of spots which are regularly dispersed, while females produce relatively fewer spots with a more clumped distribution. It is suggested that a hitherto unsuspected level of intersexual communication may explain these differences. |
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no |
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2145 |
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| Author |
Baba, M., T.; Doi, H.; Ikeda, T.; Iwamoto; Ono Y. |
| Title |
A census of large mammals in Omo National Park, Ethiopia |
Type |
Journal Article |
| Year |
1982 |
Publication |
African Journal of Ecology |
Abbreviated Journal |
Afr. J. Ecol. |
| Volume |
20 |
Issue |
3 |
Pages |
207-210 |
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no |
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Equine Behaviour @ team @ |
Serial |
2218 |
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