Exotic Nutrition Grub-Worms Chicken Feed is a nutrient-dense snack packed with healthy fats. This supplemental feed has up to 85 times more calcium than dried mealworms, so it’s a healthy addition to your chickens’ balanced diet. The premium formula features 100% dried black soldier fly larvae that were raised in a rural Costa Rican rainforest environment. The golden-colored larvae were given pesticide-free, non-GMO organic feeds. Whether you have ducks, chickens, other poultry, or wild birds, these sustainably produced, all-natural treats are a nutritious choice.