At the present stage, the social economy in China has developed by leaps and bounds. China's pig industry has been well developed un-der the background of this era. However, the number of pig diseases increases due to...
Supported by National Natural Science Foundation of China(30870109)
The epidemiology of highly pathogenic porcine reproductive and respiratory syndrome( HP-PRRS) in Changping District,Beijing City was investigated from 2010 to 2015. Through statistics of vaccine,immune procedure and a...