What to feed an unweaned puppy An unweaned puppy is fed breast milk, which is rich in nutrients and has antibodies that can help your dog fight off disease. If there is no breastfeeding, it is advisable to drink special milk powder for dogs, close to breast milk, can give puppies supplemental nutrition. Do not give your dog milk, because milk is rich in lactose, the lack of lactase in the dog’s body to break down lactose, drinking milk will be indigestion leading to diarrhea. Dogs do not absorb milk, but will hurt the dog’s gut.
