Cal-Maine Foods, largest producer of eggs in US, finds bird flu in chickens at Texas plant Wild migratory birds are believed to be the source of the infection, the USDA said, and viral testing and epidemiologic efforts remained underway. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: Wild Birds April 3, 2024 by Pumilo Wild Birds 0