Neutering and Spaying Dogs – What You Should Know and When to Do It

Why it matters and how it affects your dog?

Neutering and spaying are topics that raise many questions for dog owners. The decision to carry out these procedures is important not only for the animal’s health, but also for its behaviour and overall wellbeing. In this article, we’ll cover the key facts about neutering and spaying, the differences between the procedures, their costs, and the best time to have them done.

Spaying vs Neutering – What’s the Difference?

Neutering is a permanent surgical procedure that involves removing the reproductive organs. In males, this means removing the testicles; in females, it typically involves removing the ovaries and sometimes the uterus (ovariohysterectomy).
Spaying, in its original definition, may refer to less invasive or reversible procedures like cutting or tying off the fallopian tubes in females or the vas deferens in males. This prevents reproduction but leaves hormonal functions intact.
When to neuter and when to spay? It depends on factors like the dog’s health, age, and behaviour. Always consult your vet to decide what’s right for your pet.

Why Spay or Neuter Your Dog?

There are several benefits. In males, neutering reduces the risk of testicular and prostate cancers, and can reduce unwanted behaviours such as roaming or urine marking. In females, spaying can prevent pyometra (uterine infection), reproductive cancers, and phantom pregnancies.
Will neutering calm your dog down? Many owners report improved behaviour – more calmness and focus. However, behavioural effects vary. Some dogs may develop or worsen behavioural issues such as aggression. That’s why personalised advice from a vet or behaviourist is essential.

What’s the Best Age to Neuter a Dog?

The ideal time is usually after the dog reaches sexual maturity – between 6 and 12 months. For larger breeds, it may be a little later. Spaying females is often recommended before their first season, which significantly reduces the risk of mammary tumours. Others advise waiting until between the first and second season. The exact timing should always be decided with your vet.

How Much Does Neutering Cost in the UK?

Many dog owners wonder how much neutering a male dog costs. In the UK, the price depends on your dog’s size, the surgical method, and the clinic’s location.

  • Average cost: £100–£400
  • Typical cost for small dogs: ~£150–£200
  • Typical cost for large dogs: up to £300–£400

It’s a good idea to compare prices across several clinics and choose one that offers the best value. There is also the option of chemical castration, which we cover in a later section.

How Much Does Spaying a Female Dog Cost in the UK?

Spaying a female dog is usually more expensive than neutering a male due to the complexity of the procedure. The price varies depending on the dog’s weight, the surgical technique used, and your location.

  • Typical range: £270–£600 or more
  • Laparoscopic spaying (minimally invasive): ~£500–£600
  • Prices may be higher in large cities or for dogs with health complications.

Always ask for a detailed breakdown of what’s included in the price (e.g. pre-op bloodwork, pain medication, follow-ups).

What Is Chemical Castration in Dogs?

Chemical castration is a non-surgical alternative to traditional neutering. It involves inserting a hormonal implant, such as Suprelorin, which temporarily suppresses the dog’s reproductive function by releasing deslorelin.

  • The procedure is reversible and non-invasive, making it ideal for owners who are not ready for a permanent solution.
  • The implant does not require general anaesthesia and can be administered during a regular vet visit.
  • It’s especially recommended for dogs with medical contraindications to surgery or in cases where neutering might worsen behavioural issues like aggression or anxiety.

How long does it last?

  • The implant’s effect is temporary, typically lasting 6 to 12 months, depending on the dosage.
  • After this period, the treatment must be repeated if continued fertility suppression is desired.

Costs in the UK:

  • 4.7 mg implant (6 months): ~£150–£200
  • 9.4 mg implant (12 months): ~£240–£440
  • Some mobile vets offer at-home visits, with full-service packages reaching ~£300–£450.

Though chemical castration may cost more over time than one-off surgical neutering, it offers the advantage of being non-permanent and surgery-free.

What’s the Procedure Like?

Neutering and spaying are carried out under general anaesthetic. Surgical neutering involves removing reproductive organs via a small incision.
Some clinics offer laparoscopic spaying – a keyhole surgery method with reduced invasiveness and faster healing.

Is It Safe?

Yes – when performed by a qualified vet. Complication rates are low, especially with proper pre-op and post-op care.

Post-Op Care

After surgery, your dog should rest and avoid exercise. Monitor the incision for swelling, redness, or discharge. The first 24 hours can be uncomfortable – consult your vet if needed.

How Long Does Recovery Take?

Typically 7–14 days. Avoid baths, stick to vet advice, and attend all follow-up checks.

Summary

Neutering or spaying your dog can improve its long-term health and quality of life. It helps prevent unwanted litters, reduces the risk of several diseases, and may improve behaviour.
However, it’s not risk-free: behavioural changes or weight gain may occur, and surgery always involves a small chance of complications.
By considering all factors – age, method, behaviour, costs, and recovery – and consulting a vet you trust, you’ll make the best choice for your dog.

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