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Dog Desexing - Is It Important?

Dog Desexing - Is It Important?

From my experience, unless you’re a dog breeder, dog desexing is an important part of being a responsible pet owner. Desexing is sometimes referred to as neutering or sterilisation. The surgery is performed under general anaesthesia and involves removing the ovaries and uterus from a female dog (known as ovariohysterectomy or ‘spay’) or the testicles (known as castration) in male dogs.

The benefits of desexing far outweigh the risks but the right timing is important.

Why is dog desexing recommended by vets?

Apart from reducing the number of unwanted puppies, the benefits of desexing range from avoiding certain behavioural traits to medical problems later in life.

Desexed male dogs tend to display less problem behaviours including:

  • Urine marking
  • Inter-dog aggression
  • Sexually-directed behaviours e.g. humping

The top three health benefits from desexing male dogs include:

  1. Reduced prostate problems e.g. constipation due to an over-sized prostate1
  2. Eliminates risk of testicular cancer and reduces risk of perianal adenoma tumours2
  3. Reduced risk of perineal hernia3

The top three health benefits from desexing female dogs include:

  1. Reduced risk of mammary cancer (almost zero chance if performed before first season)4
  2. Eliminates risk of pyometra (life-threatening infection of the uterus)
  3. Eliminates risk of ovarian cancer

What age is dog desexing usually performed?

In female dogs, my recommendation is for female dog desexing to be carried out prior to having the first season (also known as ‘in heat’). This is because the relative risk of developing mammary cancer increases from next to nothing (if desexed prior to her first season) to 8% then 26% if your dog has her first and second seasons prior to desexing, respectively4.

The majority of female dogs come into heat just after 6 months of age, so my recommendation is to desex female dogs at 6 months of age.

In male dogs, the age I recommend desexing is dependent on the expected time that bony growth plates will close. This varies from 6 months of age in small breeds of dog e.g. Chihuahuas, to 18 months of age in giant dog breeds e.g. Great Danes.

There is now some evidence to suggest that certain orthopaedic problems, such as cruciate ligament rupture, is less likely if desexing is delayed until expected growth plate closure5. I’d recommend discussing the dog desexing timing with your vet during the final puppy health check.

What about recovery from dog desexing surgery?

Most veterinary hospitals will perform dog desexing as a day surgery. It is important to keep your dog quiet for the next few days after going home. My patients are prescribed oral pain relief medication for three days after the surgery and provided with either a bitter-tasting antiseptic spray for the wound, or an Elizabethan collar to prevent access to the wound. Your vet will advise you when your dog needs to come back for the sutures to be removed (if external sutures are placed) and this is an opportunity to check that wound healing is going well.

As you can see, desexing is recommended by most veterinarians and there are research-supported benefits for your dog.

Responsible pet ownership means doing everything we can to safeguard their health and well-being, so be sure to discuss the desexing procedure with your vet from an early age so that you can make the most informed decision for your dog.



Blog article sourced and provided by Black Hawk. 

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