From the point of view of the farmer, the most important conditions are probably PMWS, porcine reproductive and respiratory syndrome (PRRS), infertility, pneumonia and diarrhoea.

• 对于农场主来说，最严重的是断奶仔猪多系统衰竭综合征、蓝耳病、生长不良、肺炎和腹泻。