Manna Pro is dedicated to the care and nurturing of animals. Manno Pro understands the imperative role gut health plays in an animal's life and know there are times when they need a little extra help. That's why they crafted Manna Pro Hydro-Hen, complete with probiotics, electrolytes, and acidifiers. Hydro-Hen supports proper digestive health and hydration. Hydro-Hen is designed for inclusion in the drinking water of all species and ages of poultry (chickens, ducks, turkeys, geese, and other domestic poultry and water fowl). It provides important nutrients and probiotics to support digestive health and hydration.