Manna Pro Calf-Manna®Performance Enhancing Nutrition for Every Animal For generations, Calf Manna has helped animals reach their peak condition. As a performance enhancing supplement for multiple species of animals, Calf Manna has been part of the community for more than 80 years, helping your animals grow healthy and strong. Calf Manna delivers a wide range of nutritional benefits to every animal, from horses, cattle, rabbits, and goats to poultry, pigs, and deer. See