Efficacy evaluation of commercial vaccines against circulating filed isolates of avian influenza H9N2 and infectious bronchitis viruses in broiler chickens Published on 2020-07-012023-06-22 Journal: J Biol Regul Homeost Agents [키워드] Broiler chicken ELISA H9N2 IBV Pakistan vaccination. [저자] G Mustafa, A Aslam, M Y Tipu, S Masood, U Iqbal, A Mahmood, M Tayyab, I Irshad [Category] 조류인플루엔자, PMC URL Pubmed URL [DOI] 10.23812/19-497-L [Source] pubmed All Keywords 【저자키워드】 Pakistan, ELISA, vaccination., IBV, H9N2, Broiler chicken,