COMPARING FIVE DIFFERENT VACCINATION PROGRAM AGAINST IBD IN PULLET FLOCKS

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SHEYKHI NARIMAN; BOZORG MEHRIFARD M.H.; HASANI TABATABAEI A.A.M.

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ISSN: 2588-4824

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Paper Information

Journal: Journal of Veterinary Research Year:2000 | Volume:55 | Issue:2 Page(s): 37-41

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Title

COMPARING FIVE DIFFERENT VACCINATION PROGRAM AGAINST IBD IN PULLET FLOCKS

Author(s)

SHEYKHI NARIMAN | BOZORG MEHRIFARD M.H. | HASANI TABATABAEI A.A.M. | Issue Writer Certificate

Keywords

VACCINATION PROGRAMQ3

IBDQ4

PULLETQ3

Abstract

Infectious bursal diseases (IBD) is one of the most important diseases of young chickens in the world. In order to determine the immune response to two different live and one killed IBD vaccines, five different VACCINATION PROGRAMs in PULLET flocks form one day old were used. The birds of group A received the live vaccine of IBD type" a” (0 78 strain) in drinking water at days 10, 16 and 21 of age. At day 10 of age they were also vaccinated by killed IBD vaccine subcutaneously. The birds of group B received the live vaccine of IBD type " b". (Bur - 706 strain), while the all of the method was similar with group A. VACCINATION PROGRAM of group C was similar with group A and program of group 0 was similar with group B, except they were not used killed IBD vaccine at 10 day old. VACCINATION PROGRAM of group E was similar with group 0 and the only difference was that type " b" of live IBD vaccine was also sprayed droplet at one day old. Chicken at 22 and 36 days old in controlled environment were challenged with pathogenic IBD virus to determine any differences' in mortality between them. There is no significant difference in mortality between five vaccination methods at 22 days old. But at 36 days old there was almost significant (0.052 < P < 0.06) difference in decreasing mortality of chickens used both killed and live IBD vaccine.

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