Yes, but eight weeks is better.
Yes.
Good question. Wait until the puppy is 6 months old and ask the vet.
Yes a 6 week old Chihuahua can get swine flu.
yes
puppy milk
Yes it should not hurt them.
yes
keep training till he gets it
yes
Yes! Puppies should have started at least trying to walk at just a few weeks. If a 6 week old puppy is not walking, take him/her to the vet immediately.
no because it is old enough to eat puppy food. so giving the puppy milk is unnecessary for it.
You don't really. You just Have to know when he was born