Chinese Holstein cow 中国荷斯坦牛 ; 中国荷斯坦奶牛
china holstein cow 中国黑白花奶牛
beijing holstein cow 北京荷斯坦奶牛
Behavior of Holstein cow 荷斯坦奶牛行为
holstein milk cow 荷斯坦奶牛
Holstein dairy cow 黑白花奶牛
Holstein Young Cow 荷斯坦青年母牛
holstein-friesian cow 黑白花奶牛
2.2 Effect of seasons on CLA content in milk fat from dairy cowsMilk samples of Holstein cow （n=30） were taken from Nanjing in spring （March ） and summer （June） .
2．2不同季节奶牛乳脂中CLA含量的变化随机选取南京地区健康中国荷斯坦奶牛30头，分别在春季（三月）和夏季（六月）采集奶样，测定乳脂中CLA含量。
参考来源 - 调控反刍动物消化代谢提高乳脂中共轭亚油酸含量及其机理的研究The Center of Gansu Holstein Cow Breeding faces scale lesser extent, milk transport chain is not perfect, embryo transfer technology costs, keeping a relatively low level of professional staff such difficulties.
甘肃荷斯坦奶牛繁育示范中心面临着规模化程度较小、牛奶运输链条不健全、胚胎移植技术成本大、饲养人员专业水平较低等困难。
参考来源 - 甘肃荷斯坦奶牛繁育示范中心发展战略研究·2,447,543篇论文数据，部分数据来源于NoteExpress
As a result, the world's food supply has become largely dependent on a shrinking list of breeds designed for maximum yield: the Rhode Island Red chicken, the large White pig, the Holstein cow.
结果，全球的食物供应变成主要依赖于少数一些为产量最大化而设计的品种：罗得岛红鸡、大白猪、荷斯坦奶牛。
The results showed that: the 12 Holstein Bulls that were introduced by Western Inner Mongolia improved cow breeding center can fit for the requirement of reproductive, and can be used for breeding.
试验结果表明：内蒙古西部良种奶牛繁育中心引进的12头荷斯坦种公牛符合种用公牛的繁殖性能的要求，表明可以进行正常的配种和种用。
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