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| Author | Arnold Gw, G.A. | ||||
| Title | Ethogram of agonistic behaviour for thoroughbred horses | Type | Journal Article | ||
| Year | 1982 | Publication | Applied Animal Ethology | Abbreviated Journal | Appl. Animal. Ethol. |
| Volume | 8 | Issue | 1 | Pages | 5-25 |
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| Abstract | Social interactions between individual horses were observed in two herds each comprising a stallion and a number of mares. In one herd, the animals were observed whilst grazing and resting; in the other, nearest neighbours were recorded when the animals were grazing, and social interactions were noted when the animals were feeding on hay. In both herds, the horses showed marked preferences for the company of specific individuals when they were grazing. In one herd, the associations were mainly between individuals that had been associated prior to being put in the herd. In the other herd, this was not the case. A new statistic was produced for testing for specific company preference. In both herds, the stallion was dominant over all mares and never received any aggression. The complete social hierarchy could not be determined for the herd which was observed only when grazing because social contact was restricted to that within groups or pairs that associated together. In the herd to which hay was fed, a non-linear hierarchy existed. Statistics were produced to quantify both the general level of dominance of a horse and its specific dominance or subordination to every other horse. It is suggested that these statistics, and one for quantifying the general aggressiveness of a horse, could be widely used. A principal component analysis allowed the horses to be characterised socially according to aggressiveness, their attitude to other horses and their attractiveness to other horses. |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 899 | |||
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| 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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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | 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 | Abbreviated Journal | J Reprod Fert Suppl | |
| Volume | 32 | Issue | Pages | 129-134 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | 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 | Abbreviated Journal | Jap J Zootech Sci | |
| Volume | 53 | Issue | Pages | 822-830 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 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 | Pages | 469-487 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | 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 | Type | Journal Article | ||
| Year | 1982 | Publication | Abbreviated Journal | Biol. Cons. | |
| Volume | 22 | Issue | Pages | 259-271 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | 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 | Abbreviated Journal | App. Anim. Ethol. | |
| Volume | 8 | Issue | Pages | 207-223 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | Serial | 1553 | |||
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| Author | Schäfer M, | ||||
| Title | Beobachtungen zum Paarungsverhalten des Hausesels | Type | Journal Article | ||
| Year | 1982 | Publication | Abbreviated Journal | Säugetierk Mitt | |
| Volume | 30 | Issue | Pages | 13-25 | |
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| Notes | from Professor Hans Klingels Equine Reference List | Approved | no | ||
| Call Number | 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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| Abstract | 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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| Call Number | Serial | 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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| Abstract | 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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| Notes | Approved | no | |||
| Call Number | Serial | 2145 | |||
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