新生犊牛的饲养管理 Heilongjiang Journal of Animal Reproduction
牦犊牛的饲养管理技术 Pruataculture & Animal Husbandry
围产期奶牛的饲养管理 Heilongjiang Journal of Animal Reproduction
谈杂交牛犊的饲养管理 China Cattle Science
奶牛围产期的饲养管理 China Dairy ; Yunnan Agricultural Science and Technology
奶牛泌乳期的饲养管理 Sichuan Animal & Veterinary Sciences
苏联20年前解体时，俄罗斯的牛肉生产也随之瓦解，菜牛(又译肉用牛、食用牛)的饲养和管理项目分崩离析。
Twenty years ago, when the Soviet Union collapsed, so did beef production in Russia. Breeding and management programs for beef cattle fell apart.
牛属于子叶型胎盘，这种胎盘的结构特点和饲养管理的不当，常常导致奶牛胎衣不下发生，给乳牛业的生产繁殖带来极大损失。
The structure of placenta and unsuitable raising management often lead to retention of the afterbirth which it brings to the greatest loss of the reproduction of cow industry.
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