date:Mar 18, 2013
Friday night that it had recovered 3,601 dead pigs from its streams, according to state media.
The head veterinarian for China's Agriculture Ministry, Yu Kangzhen, who has travelled to the region to investigate the deaths, told state media Saturday that there has been no major swine epidemic, but said some samples tested positive for the common porcine circovirus and the epidemic diarrhea virus.
Yu also said cold weather and fluctuating temperatures have caused a spike in deaths among baby pig