maybe if you want to breed him... outherwise he is a perfectly healthy dog
Your dog should have 2 testicles only. If he has 4, then take him into your Veterinarian to have him checked out.
Yes.
Your dog should be examined by your veterinarian. There is no way to diagnose your dog over the Internet.
your dog isa messed up in the head
Take the dog to a vet, they could tell you.
As long as blood is pumping through the testicle then it should have a pulse, the left testicle should have a pulse too.
Yes, I think he can get a female dog pregnant with 1 testicle.
It shouldn't be, the "testicle tubes" on either side should be the same.
yes. one is supposed to be in the shape of a pear. the other should look like a small dog.
Any testicle problems should be taken to a doctor. There are many reasons for differences. See the link below.
No, because this would mean that the dog would still be able to sire young.
No. Your immune system would attack the foreign organ.
A boy with an undescended testicle should be taken to a doctor as early as possible. See the link below.
There are many possible reasons for a lump on your testicle. You should see a doctor as soon as possible. See the link below.