Bird flu outbreak breaks U.S. record | 5newsonline.com Fisk says the biggest threat to commercial and backyard flocks is exposure to wild birds. Biosecurity measures tend to mitigate risk to commercial … Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews November 29, 2022 by Pumilo Bird News 0