Chicks like these are commonly vaccinated for Marek’s disease while they are embryos still in the egg, providing protection against the deadly disease, which is found in all poultry environments ...

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 ...

A unique chicken breed is helping researchers better understand vitiligo, an autoimmune disease that affects 1 to 2% of the world’s population. In vitiligo (pronounced vit-ih-LIE-go) the immune system ...

OMAHA, Neb. (AP) — Vaccines could be a key means of suppressing bird flu and avoiding the slaughter of millions of chickens, which is blamed for egg prices averaging nearly $6 a dozen. But the move ...