Antibiosis effect of some chinese herbal medicines against major pathogenic bacteria in dairy cow mastitis in vitro 中草药对奶牛乳房炎致病菌的体外抑菌试验
However , though iowa has lots of pigs , distillers ' grains work much better as feed for beef and dairy cows 然而，尽管艾奥瓦有很多猪，酒糟谷对肉牛和奶牛其实更好。
A study of the in - vitro antibacterial effects of 10 kinds of chinese herbal medicine on pathogenic bacteria of dairy cow mastitis 10种中药对奶牛乳房炎病原菌的体外抑菌试验
W u junke cares a lot about his dairy cows and he is always looking for ways to improve his farming practices 俊科对他饲养的奶牛非常重视，并一直在寻找改善奶牛饲养管理方面的办法。
However , the balance relationship between the increase of dairy cow number and extension of land area was not kept well 但是奶牛饲养头数增加与土地规模扩大之间没能保持相应的良好平衡关系。
Three forms of the organization on milk resource base are : standardized dairy cow raising area , dairy cows cooperative , and joint stock system 这三种组织形式分别是：标准化奶牛养殖小区、奶牛合作社和股份合作制。
About 19 , 000 farms are designated as “ concentrated animal feeding operations ” , with more than 100 , 000 hens , 700 dairy cows or 2 , 500 pigs 大约一万九千家禽养殖场被称为“集中喂养动物作业” （ 1 ） ，这些养殖场可饲养十万只鸡，七百头奶牛或两千五百头猪。
Adding rumen bypass fat into the diets for high producing dairy cows is an important , economic and feasible way to resolve the problem of energy negative balance of high producing dairy cows 摘要在奶牛日粮中添加过瘤胃脂肪是解决高产奶牛能量负平衡问题重要而经济可行的途径。
The species and features of rumen bypass fat , application effects of rumen bypass fat in feeding high producing dairy cows and important points for practical addition were mainly described 主要论述了过瘤胃脂肪的种类及特点、过瘤胃脂肪在高产奶牛饲养中的应用效果以及在实际添加时的注意要点。
