“Lots of farms aren’t raising their hands to be tested because they don’t want to be known as having an infected herd,” said Keith Poulsen, director of the veterinary diagnostic lab at the University of Wisconsin-Madison.
“Lots of farms aren’t raising their hands to be tested because they don’t want to be known as having an infected herd,” said Keith Poulsen, director of the veterinary diagnostic lab at the University of Wisconsin-Madison.