Some chicken breeds are more aggressive than others and will tend to peck weakened animals. In particular, lightweight breeds of egg-type chickens tend to be prone to cannibalistic behavior. Nutritional deficiencies. Nutrition also plays a role in cannibalism.
Some chicken breeds are more aggressive than others and will tend to peck weakened animals. In particular, lightweight breeds of egg-type chickens tend to be prone to cannibalistic behavior. Nutritional deficiencies. Nutrition also plays a role in cannibalism.
Your own species provides complete nutrition!
Also probably the same vulnerability to whatever parasite or virus they may have.
There’s a reason cannibalism is rather rare in nature, it’s not a very good behaviour for survival.