Boudaoud A, Mamache B. Use of Egg Yolk Antibodies to Predict Optimal Age of Vaccination Against Infectious Bursal Disease (IBD) in Broilers. Int. J. Poult. Sci. [Internet]. 2012 Jan. 15 [cited 2025 Sep. 22];11(2):138–142. Available from: https://ijpsjournal.org/index.php/ijps/article/view/1765