要明了猪细小病毒对猪生殖系统的影响，重要的是要认识到猪生殖系统感染细小病毒常常发生，但是猪却不一定发病；但有些时候细小病毒感染一起繁殖系统疾病。

To understand the role of PPV in reproduction it is important to realize that reproductive infection usually occurs without disease, but sometimes there is infection with reproductive disease.

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