サラブレッド種•母,子馬にみられる個体行動特性

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タイトル別名
  • Individual Differences in the Behavior of Thoroughbred Dams and their Foal
  • サラブレッドシュ ハハ,コウマ ニ ミラレル コタイ コウドウ トクセイ エイ

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抄録

The distance between six thoroughbred dams and their foal in the field during the foal's age of three weeks to six months were recorded and analyzed on purpose to determine the specific indicator for classifying the types of the relationships between dams and foals. The mean distance between each dam and her foal tended to prolong with age of the foal. The distributions of the distance recorded every minute in each weeks of foal's age were estimated to obey the geometric distributions [f (x)=pqx-1 x=1, 2, 3, ……]. A positive correlation between the mean distance and the frequency of the foal's playing with other foals was observed especially in colts (P<0.001). The mean distance also correlated with the suckling interval in the foals (P<0.02). The mean distance between all of the foals and their dam was relatively constant during nine weeks to 22 weeks of age and remarkably observed were individual differences in the levels of the mean distance between each dam and her foal. In conclusion, it was considered that the types of dam-foal relationships could be classified with the levels of the mean distance between dams and their foal during nine to 22 weeks of foal's age.

収録刊行物

  • 日本畜産学会報

    日本畜産学会報 55 (4), 272-278, 1984

    公益社団法人 日本畜産学会

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