A new vaccine strategy could offer protection to millions of chickens threatened by a serious respiratory disease, research shows. Respiratory diseases such as infectious bronchitis virus cause major economic losses to the poultry industry worldwide. Infected chickens experience weight loss, decreased egg production and impaired egg quality. They are also left vulnerable to other diseases. […] Read more
Vaccine shows promise against widespread chicken disease
Science notes: Recombinant virus vaccines use weak versions of viruses or bacteria
