机译:Efficacy of H120 and Ma5 avian infectious bronchitis vaccines in early challenge against QX strain
Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Tehran;
Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran;
Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO)Iranian Veterinary Organization;
Infectious bronchitis virus (IBV); Early challenge; Cross-protection; Vaccination;