TUCKER, Ga. — A research project studying infectious bronchitis (IBV) hatchery vaccination methods for broilers was recently completed. The project, conducted by Dr. Mark Jackwood of the University of Georgia, was funded by the U.S. Poultry & Egg Association and the USPOULTRY Foundation.
A summary of the project follows:
Infectious bronchitis (IBV) is a contagious upper-respiratory tract disease that is difficult to control because several viruses are responsible, and vaccination for one virus type does not protect against all types. Following vaccination, birds have peaks and valleys in expression of the virus at approximately two-week intervals, which may. . .
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