Satchmo 44,

The Vet my family used for years always offered it as an
option when we brought in pups for spay/neuter surgery. I had
it done for my dog Buddy with no bad side effects. My daughter
also had this done for her dog Obie. (No problems). If your dog
is older than puppy stage, there might be possible side effects,
but that's true with any surgery. Did you discuss the pros & cons
with your Vet ? He knows your dog best.