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ji chan dan xia jiang zong he zheng de fang zhi
Author(s): 
Pages: 18
Year: Issue:  4
Journal: Veterinary Pharmaceuticals & Feed Additives

Keyword:  鸡产蛋下降综合症产蛋鸡防治感染鸡腺病毒属患病率抗病毒褐壳蛋泄殖腔种蛋;
Abstract: <正> 产蛋下降综合症(EDS)是由腺病毒属中的 EDS-76病毒引起的一种鸡的病毒性传染病,危害甚大,26—35周龄所有品系的产蛋鸡都能感染,尤以产褐壳蛋的母鸡患病率较高,鸭、鹅、鹌鹑等也可感染。被感染鸡的精液和有胚胎的种蛋可以传播本病,病鸡还可经输卵管、泄殖腔、粪便以及肠内物排毒。所以一旦感染很难根除,
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