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(题干)某1500只150日龄蛋鸡群突然发生腹泻,排绿色或黄绿色粪便,发病率50%,病死率70%。剖检见肠道出血,腺胃黏膜水肿、乳头出血。确诊该病的快速诊断方法为( )A.细菌培养
B.血凝与血凝抑制试验
C.病毒中和试验
D.涂片染色镜检
E.粪便虫卵检查
该鸡群所发疾病最需要的鉴别诊断是( )A.禽流感与禽霍乱
B.禽霍乱与新城疫
C.新城疫与禽流感
D.禽伤寒与新城疫
E.禽流感与禽伤寒
【假设信息】如该鸡群已接种过3次H5亚型禽流感疫苗,已排除发生禽流感的可能性。防控该病的有效措施是( )A.扑杀
B.抗菌
C.注射卵黄抗体
D.疫苗紧急接种
E.注射感染素
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