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　　大肠杆菌病是一种条件性的致病菌引起来的疾病。在卫生条件差、饲养管理不良的情况下，很容易造成此病的发生。大肠杆菌对环境的抵抗力很强，附着在粪便、土壤、鸡舍的尘埃或孵化器的绒毛、碎蛋皮等的大肠杆菌能长期存活。兽药批发零售

　　鸡大肠杆菌流行特点

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