... 产奶母牛 lactating cow; milk cow; producing cow 产奶能力 milk producing ability 绝对产奶量 absolute milk production ...
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在埃塞俄比亚，有一种个头小、无肩峰的短角牛“Sheko”，它产奶能力强，可忍受严苛的环境，并能抵抗昏睡病。
In Ethiopia a small, humpless, short-horned cattle breed called the Sheko is a good milk producer that withstands harsh conditions and has resistance to sleeping sickness.
可是并非所有的妈妈都有能力产奶。
间接损失包含人的生产力的损失以及家畜的生长速度、繁殖能力和产奶量的下降。
Indirect costs comprised human productivity losses and the reduction in growth, fecundity and milk production in livestock.
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