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shan dan jun ma chang zuo niu sha men shi jun bing de zhen duan yu fang zhi mian yi jie zhong
Author(s): 
Pages: 96-101
Year: Issue:  Z1
Journal: China Yak

Keyword:  沙门氏菌病免疫接种成年牛犊牛军马场菌苗免疫注射皮下注射细菌生长山丹;
Abstract: <正> 牦牛沙门氏菌病在山丹军马场流行已有20多年历史。起初,在犊牛中只有零星发生,随着生产的连年发展和畜圈草场的固定,本病的发病率逐年增多,主要在犊牛群中发生,直至1982年,成年牛群中也爆发沙门氏菌病,发病34头,死亡14头。当时虽用
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