Originally Posted by
elch jager
Dogs spayed or neutered under one year of age usually grow significantly taller than non-sterilized dogs or those dogs spayed or neutered after puberty. The earlier the spay or neuter procedure, the taller the dog. Also, the removal of estrogen-producing organs in immature dogs – both females and males – can cause growth plates to remain open. These animals continue to grow and wind up with abnormal growth patterns and bone structure, making them more susceptible to injuries. They can end up with irregular body proportions, cartilage issues, joint issues, hip dysplasia and cranial cruciate ligament injuries - particularly large-breed dogs.
So, I would add this as a 4th point to your sensible list...
Personally, I am waiting for my pup to reach full maturity before neutering which may be about 30 months with this breed. And even then only if it becomes necessary. He does not mark in the house and is quick to stop on command, the rare time that he tries to hump. The hormones in an intact canine provide all kinds of other health benefits that influence longevity as well as natural protection against cancers many other ailments. However, it does take vigilant control of your dog at all times and intensive training to ensure they do not produce unwanted litters or exhibit inappropriate aggression.