Researchers say unpasteurized milk may spread bird flu between cows – Wisconsin State Farmer USDA confirms cow-to-cow transmission of bird flu, but scientists not exactly sure how the virus is being moved around. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews April 23, 2024 by Pumilo Bird News 0