猪的呼吸道疾病综合征（Porcine respiratory disease complex，PRDC）是一种多因素引起的呼吸道疾病的总称，它是由病毒、细菌、环境应激和猪体免疫力低下相互作用造成的。
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猪繁殖障碍与呼吸道综合征（PRRS）和猪圆环病毒2型（PCV-2）是近几年来严重危害猪群的两大免疫抑制性疾病。
Porcine reproductive and respiratory syndrome(PRRS) and porcine circovirus type 2(PCV-2) are two immunosuppressive diseases which are greatly endangering swine in recent years.
应当加强对猪呼吸道疾病的监视，建议将猪呼吸道综合征的所有病例立即上报兽医部门。
Surveillance for porcine respiratory disease should be intensified and all cases of porcine respiratory syndrome are recommended to be immediately reported to veterinary authorities.
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