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Porcine enzootic pneumonia is caused by ''Mycoplasma hyopneumoniae'' and describes an important respiratory disease of pigs. It is part of the Porcine Respiratory Disease Complex along with Swine Influenza, PRRS and Porcine circovirus 2, and even though on its own it is quite a mild disease, it predisposes to secondary infections with organisms such as ''Pasteurella multocida''. Clinical signs are most commonly seen in pigs over 8 weeks of age, and the disease occurs worldwide. Transmission is horizontal and vertical from sows. ==Clinical signs and diagnosis== Pigs usually cough and may show more severe respiratory signs if secondary bacteria have invaded. This may lead to signs of pneumonia and systemic involvement. Diagnosis relies on culture and isolation of the bacteria but this can be challenging. PCR, ELISA, fluorescent antibody testing and post-mortem findings all help in making the diagnosis. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Porcine enzootic pneumonia」の詳細全文を読む スポンサード リンク
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