In my experence, (9 dogs, 8 altered) it takes anywhere from 3 days to 1.5 weeks
Yes, a neutered male dog will not have as strong a scent and there won't be as much testosterone in the marking urine.
Neutering does not affect a dog's growth. Dogs typically stop growing around 1-2 years of age, regardless of whether they are neutered or not.
They can as they still have instinct even if they have been neutered.
Not all the dogs and cats that are adopted from a shelter are always neutered.
Neutered dogs may sometimes attack unneutered dogs due to territorial behavior or aggression, which can be influenced by hormones and social dynamics.
I don't know if there are any dog show that allow spayed and neutered dogs.
no
Yes it is possible. It would be swollen and be have some bruising.
To prevent them from siring more puppies.
if you mean a dog being spayed or neutered, No they do not get mean, only people make dogs and cats mean!!
Yes, greyhound rescue organizations neuter their dogs before adopting them out. Sometimes the dogs arrive at the rescue intact but they are neutered before leaving.
Yes. Neutered males remain fertile for up to two weeks following the procedure.