There is an on-going debate over spaying or neutering dogs before they reach maturity. In the United States, most veterinarians, shelters and rescue groups encourage dog owners to spay or neuter their dogs before or by six months of age, before a first heat for females. The AKC Health Foundation has been researching the pro’s and con’s of early spay/neuter in Golden Retrievers.
They have compared dogs that were spay/neutered before one year of age and after one year of age. What they have found so far is that the timing of spay/neutering had a significant effect on the health of the dogs. They found that early neutering of male dogs more than doubled the risk of Hip Dysplasia but did not have the same affect on female dogs.
Early spay/neuter increased the risk of cruciat ligament tear (CCL) and lymphosarcoma (LSA) in both sexes. Late spaying in females increased the risk of hemangiosarcoma (HAS) and mast cell tumor (MCT). Intact female dogs had no mast cell tumors.

As a result of this study, the AKC CHF is extending its research to include German Shepherd Dogs, Labrador Retrievers, Dachshunds, Rottweiler’s, Chihuahua’s, Standard and Miniature Poodles.
The question remains, what should a dog owner do? No one wants to increase the risk of health issues in their pet.
First and foremost is talk to your veterinarian and ask them if he/she is aware of the most recent studies concerning the effects of early spay/neuter. After researching the facts, the dog owner must evaluate their ability to handle a dog that is not spayed or neutered. How the dog will behave depends in part on how well it is trained and its breed as well as its individual personality.
Some considerations are:
Should I wait until my dog reaches sexual maturity and then have the dog spayed/neutered?
If I have a female dog can I keep the dog safe from being bred until it reaches or passes sexual maturity?
Can I deal with the discharge that comes with the “heat” cycle?
Do I have a prevention plan with my veterinarian to take care of an unwanted, accidental breeding with my female dog?
Do I have a plan to deal with an unwanted litter of puppies?
Can I keep my dog, male or female under control to prevent them from wandering/escaping during a heat cycle? Females will wander to spread their scent to try to lure a male and a male will run away to find a female when he picks up her scent.
Can I control my male dog to keep him from marking?
If my male dog has a tendency to be aggressive, can I handle the aggression (toward humans and other animals) that sometimes manifests itself in un-neutered male dogs?
These are just a few of the important decisions a dog owner should consider when deciding if they should have their dog spayed or neutered before sexual maturity or at all.
Sue’s Note: For many years people who own working dogs, such as Border Collies that are used for herding have said that if a dog is spayed/neutered before maturity that they do not work as well. Some people feel that the dog does not fully mature mentally if they are spayed before a first heat for females.


