I have dealt with maggots before. And yes they can and will go after healthy tissue. I never had a problem with chickens but with goats and cattle.
I am not sure of you can use screw worm on chickens. We use it on the goats and cows. It kills and helps to protect against flys and maggots.
I am not sure of you can use screw worm on chickens. We use it on the goats and cows. It kills and helps to protect against flys and maggots.