Puppies should be fully weaned by 8 weeks of age, so there's usually no need to moisten his food or give him formula. In case he isn't completely weaned, you can use certain liquids to wet his dry food, but he should never have cow's milk.
Should I give my 8 week old puppy milk?
Puppies are largely carnivores but will also eat some plant-based foods. Puppies naturally wean off their mother's milk at around 8-12 weeks of age.
When should I stop giving my puppy milk?
The Humane Society of the United States says weaning is typically fully completed when a puppy is roughly between 6 and 7 weeks old. Once weaning is totally done, puppies finally cease drinking their mother's milk, full stop.
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