perinatal disease 中文意思是什麼
perinatal disease
解釋
圍生期疾病-
Porcine reproductive and respiratory syndrome virus ( prrsv ) is the causative agent of prrs. it causes an important disease in pigs characterized by reproductive failure in sows and gilts, pneumonia and an increase in perinatal mortality, resulting in great economic losses to the swine industry
豬繁殖與呼吸綜合征是由豬繁殖與呼吸綜合征病毒( porcinerespiratoryandreproductivesyndromevirus , prrsv )引起的一種以母豬繁殖障礙和仔豬呼吸道疾病為特徵的傳染病。
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