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dan ji da chang gan jun bing zhen duan ji zhi liao
Author(s): 
Pages: 52-53
Year: Issue:  6
Journal: Liaoning Journal of Animal Husbandry and Veterinar

Abstract: <正>大肠杆菌病是大肠埃希氏菌的某些血清型所引起的一类疾病的总称。大肠杆菌在自然界分布广泛,当各种应激因素造成机体免疫功能下降时,就会引起发病。不同月龄的蛋鸡都能感染本病,幼鸡易感性较高。近几年来,随着混合感染及耐药菌株的增多,使蛋鸡大肠杆菌病更加难以治愈。
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