Designed specifically for small backyard flocks. Each convenient, pre-measured packet mixes into one gallon of drinking water. Formulated specifically for poultry: chickens, ducks, turkeys, and other domestic poultry and waterfowl. Suitable for chicks and adult birds. Promotes digestive health by supporting a more diverse population of beneficial bacteria in the digestive tract. Use for birds newly arrived, during periods of stress, and after antibiotic treatment. Sold in strips of 3. 0.17 oz. packs.