How effective IBV surveillance can prevent ‘overvaccination’

<p><b> </b>Consistent surveillance and analysis of infectious bronchitis virus (IBV) at poultry production facilities can guard against “overvaccination” — where too much vaccine virus in the environment causes a rolling reaction in flocks. </p><p>That’s the view of Rodrigo Gallardo, DVM, PhD, professor of poultry medicine at the University of California–Davis. </p>