要防止发生家畜流行病，必须在暴发之前进行动物免疫。
Animal immunization must be implemented prior to an outbreak if an epizootic is to be prevented.
家畜流行病和相关的人类流行病也有可能传播到之前未受影响的地区。
There is also a potential for epizootics and associated human epidemics to spread to areas that were previously unaffected.
他重点关注包括病毒性出血热在内的家畜流行病学的研究。
His research interests focus on the study of epizootics, including viral hemorrhagic fevers.
2007年12月至2008年1月期间发现的家畜流行病事件数量有增无减，在该段时期内又传播到另外23个以上的城镇。
An increase in the number of epizootic events was observed between December 2007 and January 2008, reaching more than 23 new municipalities in that period.
2007年12月至2008年1月期间发现的家畜流行病事件数量有增无减，在该段时期内又传播到另外23个以上的城镇。
An increase in the number of epizootic events was observed between December 2007 and January 2008, reaching more than 23 new municipalities in that period.
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