Efficacy evaluation of commercial vaccines against circulating filed isolates of avian influenza H9N2 and infectious bronchitis viruses in broiler chickens
G. Mustafa, A. Aslam, M. Y. Tipu, S. Masood, U. Iqbal, A. Mahmood, M. Tayyab, I. Irshad
Efficacy evaluation of commercial vaccines against circulating filed isolates of avian influenza H9N2 and infectious bronchitis viruses in broiler chickens
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