Infectious coryza is an acute respiratory disease of poultry caused by the bacterium Avibacterium paragallinarum, with major impacts on global poultry health and production. Traditional diagnosis has ...

A healthy chicken typically breathes through its closed beak. If a chicken is breathing with its beak open, it may be sick or experiencing stress, such as from heat or anxiety. Respiratory illnesses ...

Hand holding a sick blind chicken infected with infectious coryza infection on swelling eyes. Dear Dr Messo, I am a poultry farmer in Kakamega County, currently experiencing a serious challenge of the ...