实验感染三周龄仔猪，腹腔内接种能诱发典型的多发性浆膜炎。
Experimental infection of 3-week old piglets by intraperitoneal route induced typical polyserositis.
近年来，国内外许多猪场出现了一种以多发性浆膜炎和关节炎及高死亡率为特征，严重危害仔猪和青年猪的传染病。
In recent years, an infectious disease charactered by polyserositis, arthritis and high death rate appeared and lead great economical loss in many pig farms.
近年来，国内外许多猪场出现了一种以多发性浆膜炎和关节炎及高死亡率为特征，严重危害仔猪和青年猪的传染病。
In recent years, an infectious disease charactered by polyserositis, arthritis and high death rate appeared and lead great economical loss in many pig farms.
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