Survey of Appropriate Vaccination of Avian Influenza at Broiler Chickens, Breeder and Laying Breeder Flocks

Influenza virus type A of Orthomixoviridea family considered as the pathogenic agent of Avian Influenza, which is so significant in economical and hygienic issues. Therefore, increasing in amount of birds resistance to break infection cycle sounds necessary.This article designed to revise and provide a comprehensive and practical response to appropriate vaccination program in commercial Avian flocks.This research reviewed results of 26 varies books and authentic national and international articles gathered together. At broiler chicken flocks, Influenza vaccination use at one period, but in order to create a higher rate and protective antibody, two vaccination turns performed at age of ten days. With one vaccination program at this breeds, hemagglutination inhibition ( HI) antibody rate would be about 3-4. First vaccination program at commercial laying breeder flocks usually perform at day of 14 and the best reminder doses use at 5-6 weeks; last vaccination happens at the cage. The goal of vaccination in these flocks is to reach the titer of 6-7. At breeder flocks, three vaccination program use as below: 9-10 days, 8-10 weeks and 16-18 weeks to make 8-9 titer. These vaccines can be used separately or in combination with other vaccines.

کلیدواژه ها:

Avian Influenza ، Vaccination Program ، Broiler ، Breeder and Laying Breeder Flocks