BBCNEWS BBC News September 29, 2021 08:40:00
Get very sick and piglets are lost before they are born. it is endemic in the uk, we can't get rid of it. this is the first example of using the technology to make the animal itself resistant, rather than giving itself resistant, rather than giving it to drugs or vaccines that are not always particularly effective. helen wallace, do _ always particularly effective. helen wallace. do you — always particularly effective. helen wallace, do you object _ always particularly effective. helen wallace, do you object to - always particularly effective. helen wallace, do you object to that? - wallace,...