The Effect of Egg-Derived Antibody on Prevention of Avian Influenza Subtype H₉N₂ in Layer Chicken

Shaban Rahimi, Ehsan Salehifar, Seyed Ali Ghorashi, Jesse L. Grimes and Mohammad A. Kaimi Torshizi

International Journal of Poultry Science 6 ( 3 ): 207 - 210 , 2007