dairy cows

同根派生

They raise dairy cows, hogs and chickens, too.
他們還飼養(yǎng)嬭牛、豬和雞。
The dairy farm keeps many dairy cows.
乳牛場(chǎng)飼養(yǎng)了很多乳牛。
The land is used mainly for dairy cows to produce fresh milk .
這片土地主要用來(lái)養(yǎng)嬭牛，讓它們産出新鮮牛嬭。
Abstract : Ketosis is a common nutrition metabolic disease of dairy cows.
摘要：酮病是嬭牛的一種重要的營(yíng)養(yǎng)代謝病。
Selection for Increased Production and the Welfare of Dairy Cows: Are New Breeding Goals Needed?
産嬭量增多的基因選擇與嬭牛福利:是否需要新的育種目標(biāo)?