飛来昆虫が放牧牛の身づくろい行動に及ぼす影響
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概要
北海道大学農学部附属牧場 = Livestock Farm, Faculty of Agriculture, Hokkaido University | 論文
- 放牧牛群の占有面積の日内変化
- Genetic Analysis of the Thoroughbred Population in Japan : 6. Some demographic parameters
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- Parentage Analyses on Foals Resulting from Transplantation of Fertilized Ova