亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Piglet virus shows no signs of abating in U.S.
date:May 07, 2014
f Foods deal with the ramifications of the virus on the North American hog herd, researchers are attempting to develop vaccine, but have yet to find success.

Im not aware of any vaccine that has been developed, Mr. Smith said. I do know in working with our pork suppliers, we have a very close, very good relationship with the farmers from which we purchase hogs, and theres been a noticeable increase in biosecurity throughout the areas where we draw our hogs from. But as far as we know, theres no

12/25 22:22