Is there an egg shortage in Southern Utah? – St George News … Woolstenhulme said, adding that the “lag” was because of bird migration patterns, as the disease is spread primarily by wild migratory birds. Read More at Source. Author: Pumilo Share this:TwitterFacebookMoreLinkedInRedditTumblrPinterestPocketTelegramWhatsAppLike this:Like Loading... Related Tags: BirdNews December 23, 2022 by Pumilo Bird News 0