cattle breeding

基本解釋

Xianan cattle breeding project began in 1986.
夏南牛培育項目始于1986年。
ABS is the World's largest cattle breeding company with progeny tested 360 Holstein bulls and 50 Color breed bulls per year.
ABS是世界最大的奶牛育種產(chǎn)品公司，每年對360頭荷斯坦公牛和50頭其他公牛進行后裔測定。
The model used was the sire model containing herd-year-season(HYS) effect(fixed), sire group effect(fixed)and sire effect(random), which is widely used in dairy cattle breeding.
方差組分估計所用的模型為奶牛育種中常用的公畜模型，它包括場年季固定效應(yīng)、公牛組固定效應(yīng)和公牛隨機效應(yīng)。

But some people are concerned that breeding has reduced genetic differences among cattle.
They are engaged in raising livestock, which in Greece is more likely to be sheep and goats than cattle, but also breeding horses, which is very important for the aristocracy for carrying on warfare.
他們擅長豢養(yǎng)牲畜,在當?shù)厮坪躔B(yǎng)綿羊和山羊比牛要來的容易,但是他們同樣養(yǎng)馬,這對于貴族階層發(fā)動戰(zhàn)爭很重要
耶魯公開課 - 古希臘歷史簡介課程節(jié)選

He has been a consultant for cattle breeding associations and for the European Development Fund, too.
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