We know what a cough is, but not all coughs are related to respiratory disease.Porcine respiratory diseasecomplex (PRDC) is a term used to describe pneumonia with multiple causes, resulting in clinical disease and reduced weight gain during the finishing process."It is, as the name states, complex," according to Dr Lysan Eppink, MRCVS, technical advisor swine products at Boehringer Ingelheim Animal Health UK."Infectious pathogens are usually involved with PRDC, but how the infection manifests depends on interactions between the animal, the environment and the pathogens involved (see Figure D."
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机译：我们知道咳嗽是什么，但并非所有咳嗽都与呼吸系统疾病有关。孢子碱呼吸剥离键（PRDC）是用于描述具有多种原因的肺炎的术语，导致临床疾病和完成过程中的重量增益减轻。“它是 ，作为名称州，复杂，“据莱西沙·EPPINK，MRCVS博士，MRCVS介绍Boehringer Ingelheim Animal Health UK。”传染病通常涉及PRDC，但感染表现如何取决于动物之间的相互作用。 环境和涉及的病原体（见图D.“
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