Could have eaten something weird. Maybe you changed his food? Gave him a new kind of treat?
A puppy could be missing from the litter after two weeks if it has died. The mother dog will take the puppy away from the others.
about 4 weeks old
if the pup is under 6 weeks it would be better to give it puppy formula and once it starts growing teeth around 8 weeks or older then you could start feeding it soft puppy food.
after 8 weeks
take it to the vet it could die
If it`s a small puppy 8 weeks is the right age, but if it`s a large puppy it can go as early as 6 weeks.
About 8-12 weeks
The puppy should be 6 weeks old.
a puppy age is week old
You can have your puppy fixed at around 12 weeks, not before.
most puppies eat puppy food at 8 weeks our younger. You can try feeding them puppy food at four weeks and see if they will eat it.
16 weeks