Grubblies - Black Soldier Fly Larvae for Chickens - Nourishing Daily Chicken Treats - for Strong Eggshells and Healthy Feathers - Grubblies World Harvest 5LBNutritious Chicken Treats: Grubblies are oven dried black soldier fly grubs. Theyre the instinctive protein choice for your flock and promote natural foraging. Black Soldier Flies can be raised on a pretty scary diet, things you'd never want to feed your chickens. Our Grubblies World Harvest is sourced from farms around the world that adhere to the strictest EU standards, ensuring the highest quality grubs. Protein Packed Treats For Chickens: Chicken