I have never known a chicken that wouldn't eat maggots!
You need to make sure your chickens are not wasting their feed on the ground. I'll bet if you fed your chickens less feed, they would figure out that maggots are tasty to chickens.
You need to make sure your chickens are not wasting their feed on the ground. I'll bet if you fed your chickens less feed, they would figure out that maggots are tasty to chickens.