(HorseTech) Buggzo! is a natural solution to keep flies and summer bugs away. Combines two types of garlic, a dry buffered apple cider vinegar, thiamine, diatomaceous earth and B-complex vitamins. Truly palatable and easy to feed. Feed 1100 lb. horses 1-2 oz. daily for 2 to 4 weeks, followed by 1 oz. daily for maintenance. Pellets.