Research in the US shows that a PRRS-positive sow does not necessarily pass the virus to her litter, a report by the National Hog Farmer said.
Joan Lunney
Joan Lunney, a USDA scientist, has been studying “how to get pigs that will not get as sick and will survive and thrive even if they are i...
Sign in as a member, or Join our Community for free to unlock the full article.