HEALTH

Why new IBV variants keep emerging — and what producers can do about it

The poultry industry has spent decades chasing infectious bronchitis virus, adjusting vaccination programs and developing new vaccines as new variants emerge. Yet despite those efforts, the cycle continues. However, Mark Jackwood, PhD, one of the world’s leading IBV researchers, says that’s not a sign that vaccination has failed. It’s simply the nature of the virus.

HOUSING

Chronic stress decreases neurogenesis in poultry

Poultry researchers use ‘affective valence’ — a positive or negative emotional response — as a measure of animal welfare. Tom Smulders, PhD, an evolutionary neurobiology researcher from Newcastle University, has studied whether hippocampal neurogenesis can be a marker of affective valence in poultry.

INDUSTRY INSIGHTS

WELFARE

LAYERS

BROILERS

TURKEYS

aMPV, HPAI and lack of drug options top turkey industry concerns

The Turkey Industry Annual Report, which gathers perspectives from producers and veterinarians working in the US industry, ranked aMPV, lack of efficacious drugs and HPAI as the top three management concerns among 39 reported issues. Report author Steven Clark, DVM, said he was not surprised by the trends.

FEED

Addressing mycotoxins in poultry feed requires a broad approach

In a Poultry Science Association webinar, Todd Applegate, PhD, assistant dean for international programs and department head of poultry science at the University of Georgia, shared his findings of a literature review on mycotoxins and discussed future research needs.