... Vaccine tweaks can make a big difference against key infectious bronchitis virus strain
Aug 30, 2022Jennifer Grullon
New challenge studies have highlighted the best vaccine serotype combinations to tackle the DMV/1639 strain of infectious bronchitis virus (IBV), which has spread from the Delmarva area to become the...
... False layer syndrome in Canada due to DMV/1639
Aug 15, 2021Jennifer Grullon
False layer syndrome due to the Delmarva 1639 (DMV/1639) variant of the infectious bronchitis virus (IBV) is leading to huge economic losses in the Canadian egg industry.
... Cross-protection vaccine protocols key to limiting DMV/1639 spread in US flocks
May 04, 2021Jennifer Grullon
Combining serotype vaccines might be a popular approach to protecting flocks against evolving strains of infectious bronchitis virus, such as DMV/1639, but not all combinations work equally well.
