猪细小病毒感染的主要症状是产仔少，产不同大小的木乃伊胎，假孕和空怀母猪数量的增多。
The major signs are therefore small litter sizes, mummified pigs of different sizes, and increases in pseudo-pregnancies and not-in-pigs.
猪细小病毒(PPV)是引起母猪繁殖障碍的主要病原体之一。
PPV is one of the most main pathogen that can cause failure in propagation of pigs.
但有些时候细小病毒感染一起繁殖系统疾病。猪细小病毒是通过口或鼻腔传到肠道，然后在肠道内进行复制，并通过粪便排毒。
PPV is transmitted either by mouth or through the nose passing into the intestine where it multiplies and is passed out in faeces.
应用推荐