PetAg Esbilac Puppy Milk Replacer Powder is a beneficial formula that provides additional nutrition for newborn puppies who have been orphaned, rejected or are nursing but may need supplemental feedings for up to 6 weeks of age. This highly palatable recipe contains prebiotics and probiotics, plus vitamins and minerals. It’s enriched, easily digestible and provides the same amounts of protein, fat and carbohydrates found in your pup’s mother’s milk.