Egg and tissue culture adapted infectious bron-chitis vaccines were used in ovo-vaccination at 18 days embryonation, one-day-old chicks and 66 weeks old hens. It was found that the hatcha-bility was decreased to 54% and 60% on using and tissue culture vaccine, respectively.Both vaccines resulted in a good protection per-centage 90%, 85% and 85% for egg and tissue culture vaccine, respectively in case of ovo vac-“ination, 80% and 75% in case of one day old “vaccination and 85% for both vaccines in case of hens Vaccination with closely similar immune response aS Measure om Fluorescent Antibody Technique ELisa nd Linked Immunosorbent Assay tests demageglutination Inhibition (HI) tests.
EL-MAHDY, S., KHODEIR, M., EL-EBIARY, E., & HASSAN, N. (2000). COMP ARATIVE EVALUATION OF EGG AND TISSUE CULTURE ATTENUATED INFECTIOUS BRONCHITIS VACCINES.PRIVATE. Veterinary Medical Journal (Giza), 48(4), 609-616. doi: 10.21608/vmjg.2000.376586
MLA
SUSAN EL-MAHDY; M KHODEIR; ELHAM EL-EBIARY; NADIA HASSAN. "COMP ARATIVE EVALUATION OF EGG AND TISSUE CULTURE ATTENUATED INFECTIOUS BRONCHITIS VACCINES.PRIVATE", Veterinary Medical Journal (Giza), 48, 4, 2000, 609-616. doi: 10.21608/vmjg.2000.376586
HARVARD
EL-MAHDY, S., KHODEIR, M., EL-EBIARY, E., HASSAN, N. (2000). 'COMP ARATIVE EVALUATION OF EGG AND TISSUE CULTURE ATTENUATED INFECTIOUS BRONCHITIS VACCINES.PRIVATE', Veterinary Medical Journal (Giza), 48(4), pp. 609-616. doi: 10.21608/vmjg.2000.376586
VANCOUVER
EL-MAHDY, S., KHODEIR, M., EL-EBIARY, E., HASSAN, N. COMP ARATIVE EVALUATION OF EGG AND TISSUE CULTURE ATTENUATED INFECTIOUS BRONCHITIS VACCINES.PRIVATE. Veterinary Medical Journal (Giza), 2000; 48(4): 609-616. doi: 10.21608/vmjg.2000.376586