Mastitis is one of most prevalent and costly diseases in dairy cattle housing, and the incidence rate is very high(25%-60%), which is mainly caused by a broad spectrum of bacterial and pathogens.
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乳房炎主要是由于病原微生物引起的,其发病率高(25%25-60%25),是奶牛最常见的疾病之一,也是造成世界各国奶牛业损失最严重的疾病之一。
单词 Mastitis is one of most prevalent and costly diseases in dairy cattle housing, and the incidence rate is very high(25%-60%), which is mainly caused by a broad spectrum of bacterial and pathogens. 的词典定义。@海词词典-最好的学习型词典
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