Aggressive vaccination of broiler breeders for reovirus using live and inactivated vaccines has been one of the most important steps the US poultry industry has taken to maintain good protection against the disease, Guillermo Zavala, DVM, PhD, president of Avian Health International, told Poultry Health Today.
While autogenous vaccines have helped US poultry producers keep pace with the genetic changes of reoviruses, the original, federally licensed vaccines still form the core for most reovirus-vaccination programs and do a “very, very critical job” in establishing foundational immunity, he said. Read more