Bad chickens are irregular, mostly lean, eyes don't like to open or blind, and their feathers are unkempt and dull.
A good chicken holds it in your hand, feels elastic, struggles vigorously, and is well absorbed in the abdomen.
The abdomen is moderate in size, and there are no abnormalities in beak, eyes, legs and claws.
Bad chicks have no elasticity and weak hands;
There is a lot of dirt or feces on the anus;
Lack of energy, timidity, instability, slow response, and fear of cold.