Are you calling all larval forms that look like worms "maggots?" Cause to me, only housefly or the like have "maggots." They are the disgusting little white worms 1/8" - 3/8" long that who have one pointy end and another larger end. The rest are mealworms, waxworms, larvae, etc.
To answer your question, no, there are no "safe" fly maggots (as I defined above) you can raise for your chickens even on pure vegetable matter.
Mealworms you can though. And Black Soldier Fly larvae.
To answer your question, no, there are no "safe" fly maggots (as I defined above) you can raise for your chickens even on pure vegetable matter.
Mealworms you can though. And Black Soldier Fly larvae.