It is possible that the chicken has been chained for too long,

The chicken's feet are not circulating blood,

The chicken's feet must have been chained with ropes or the ropes have not been broken at all, which means that the chicken's feet have ropes on them.

You can catch the chicken and take a look at it.

Either the chicken has been hit on its feet by someone,

or the chicken has been hit on its feet by someone. The chicken was hit on the foot,

If the foot is not broken,

it will be fine after a while,

If there is a rope on the chicken's foot,

it will be fine after a couple of days after the rope is unbroken.