A small Yorkshire Terrier puppy is held by a vet

Dog Spaying and Neutering

Having your female dog spayed or your male dog neutered can help prevent unwanted litters and unforeseen expenses. This can also help prevent/lessen some health risks & help with behavioural issues such as roaming or aggression in males.

What does neutering/spaying do to a dog?

When your dog comes in to be spayed or neutered, the reproductive organs are removed so they cannot reproduce and can prevent common diseases such as cancer.

Why is it important to neuter/spay my dog?

Spaying a young female dog can prevent mammary cancer later in life. It is never too late to spay a dog. Pyometra (uterus filled with infection) is a life-threatening emergency and can occur in older unspayed female dogs, even if they no longer show heat cycles. It is important to have this procedure done to prevent unwanted breedings. Lifestyle factors can play a role in when it is best to have your dog spayed or neutered. If there are any concerns, please book an appointment to discuss with your veterinarian to determine the best course of action for you and your pet.

How old should a dog be before they are neutered/spayed?

The size of your dog does matter when it comes to being spayed or neutered. If you have a large breed dog such as a Labrador or Rottweiler it is recommended by veterinarians to wait until the animal is fully grown (this can occur between 1 – 1.5 years). Smaller breeds can be spayed or neutered earlier (between 8 and 12 months). If your female dog enters a heat cycle, it is best that this be completely finished before booking surgery for spaying.

How much does it cost to neuter/spay a dog?

Please call and speak to one of our receptionists who would be happy to give you a quote for spaying or neutering your dog.


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Last updated: June 10, 2021

Dear Clients,

Thank you for your continued support.  Your safety and your pets' health are of utmost importance to us.



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Thank you for your patience and understanding and we look forward to seeing you and your furry family members again!

- Your dedicated team at Mill Bay Veterinary Hospital