By Michael Czarick
Extension Specialist – Engineering
University of Georgia
Department of Poultry Science
IBV vaccine trials show gains in broiler performance, survivability plus reductions in virus shedding
Since it was first isolated in broiler flocks on the Delmarva Peninsula, the latest mutation of infectious bronchitis virus (IBV), DMV/1639, has spread through the eastern seaboard of the US and west toward Mississippi and Texas.