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Optimal time for Gumboro vaccination
 
Kenton Kreager
 
 

Infectious Bursal Disease (IBD or Gumboro) is a viral disease of young growing chickens occurring in most poultry producing areas of the world. It is caused by a virus, which is extremely stable and resistant to disinfectants and normal sanitation measures. Once established on a farm, the disease tends to recur with each succeeding flock.

 

In an attempt to determine this proper age of vaccination, three trials utilising three different intermediate vaccines have been performed, and results showed that the maternal antibody declines in a smooth curvilinear manner with a half-life of about six days, which contrasts with the commonly accepted three systems.

 
 

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Article made possible through the contribution of Hy-Line International.

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