英汉日科技词汇——C3 ... cow horn stomach ==> 角型胃 cow in milk ==> 产奶牛 cow pen ==> 室外牛栏 ...
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低产奶牛 poor milker
经产奶牛 Multiparous cow
奶牛生产性能测定 DHI ; Dairy Herd Improvement
如何选择高产奶牛 China Cattle Science
奶牛生产性能 DHI ; performance of dairy cows
高产奶牛的饲养监控 Technical Advisor for Animal Husbandry
高产奶牛围产期的饲养 Xinjiang Agricultural Sciences
高产奶牛饲养管理要点 Xinjiang Agricultural Sciences
产奶母牛 lactating cow
给产奶牛补加过瘤胃蛋白质如鱼粉和保护的大豆饼粕对提高乳蛋白含量和乳产量并不是最好的方法。
The provision of undegradable protein(fishmeal or protected soya)to the diet of lactating dairy cows is not the best method to raise the protein content in milk and the milk yield.
结果表明，缓释丸释放的微量元素能够提供产奶牛的需要，对产奶量和乳品质的提高有显著的影响。
The results showed that the released amount of trace elements in the boluses could meet dairy cow's requirement and significantly improve milk yield and quality.
筒仓发明之前，因为没有青草可以吃，奶牛在冬天产奶量减少。
Before silos were invented, cows gave less milk during winter because they had no green grass to eat.
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