A cow's udder hangs loosely between its legs and produces milk.
母牛的乳房垂于腿之间用来产奶.
This disease can cause patient high fever, oraland nasal mucosal bleeding or mucus oversecretion, reduction of milk production even off production, pregnant cow abortion or stillbirth, fetal anomalies and other symptoms.
该病能引起患畜高热、鼻内粘膜及口腔出血或产生大量粘液、母牛奶量减少甚至停止产奶、怀孕母牛流产或产死胎、畸形胎等症状。
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