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gao zhi bing xing zhu lan er bing gan ran yu mian yi te xing yan jiu chu bao
Author(s): 
Pages: 77-79
Year: Issue:  6
Journal: Liaoning Journal of Animal Husbandry and Veterinar

Abstract: <正>高致病性猪蓝耳病是由猪繁殖与呼吸综合征(Porcine Reproductive and Respiratory Syndrome,PRRS)病毒变异株引起的一种急性高致死性疫病,仔猪发病率可达100%,死亡率可达50%以
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