【摘要】 猪呼吸道病综合征(porc ine resp iratory d isease com p lex,PRDC)是由病毒、细菌、环境应激和猪体免疫力下降引起的疾病综合征,死亡率较高、危害养猪业的重要传染病之一。本文介绍本病发病原因、症状、病变、预防和治疗措施。更多还原

【Abstract】 The Porcine respiratory disease complex(PRDC) is a complex disease which caused by virus,bacteria,stimulate of enviroment and the decline of porcine immunity.It is one of the most serious infectious disease which has high death rate and high harmfulness to pig breed.This text is to introduce the cause,symptom,pathology,precaution and therapy of this kind of disease.更多还原