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 ...

DNA from chickens that lived at least 1,000 years ago unravels the mystery behind the escalation of Marek’s disease. The early days of a deadly virus that has run rampant in chicken populations for ...

When broiler chickens are busy fighting the parasitic infection coccidiosis, they can't absorb nutrients efficiently or put energy toward growth. With consumer sentiment pitted against antimicrobials ...

The dubious winners of the agricultural revolution, by sheer numbers, are obvious. Living in the world today are 30 billion chickens, 1 billion cows and almost 800 million pigs. While the dawn of ...