Actinobacillus pleuropneumoniae (APP) is the etiological agent of Porcine Contagious pleuropneumonia (PCP), a severe respiratory contagious disease effecting swine industry worldwide.

• 摘要猪传染性胸膜肺炎是由胸膜肺炎放线杆菌引起的，该病是一种呼吸道疾病，影响着全世界养猪业的发展。