Dairy cow mastitis is one of the principal causes of economic losses in the dairy industry.
奶牛乳腺炎是奶牛养殖业中发病率最高、流行最快、造成损失最大的疾病之一。
Milch cow industry is one of important part of dairy industry, including breeding milch cow, raising milch cow, preventing and cure of the epidemic disease and milk production.
奶牛业是奶业系统的一个重要组成部分，主要包括奶牛培育、奶牛饲养、疫病防治和原奶生产四个环节。
Abstract: Cow ketosis is a common nutritional and metabolic disease during perinatal, which has caused tremendous losses to the dairy industry.
摘要奶牛酮病是围产期奶牛常见的营养代谢性疾病，给奶牛业造成了巨大的损失。
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