الفهرس | Only 14 pages are availabe for public view |
Abstract This study of thesis Studies on Very Virulent INfectious Bursal Disease (Gumboro) in Chickens, The present investigations were directed towards : Some aspects related to the cpizootology of the recent IBDV outbreaks. Pathogenicity studies of receny IBDV field isolate in susceptible eggt-ype male chickens. Determination the early protection following vaccination of IBDV susceptible commerial egg-type male chicks with live ”intermediate and hot” vaccins. |