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When Is The Greatest Time To Spay Or Neuter My Shih Tzu?

It’s onerous to know when to spay or neuter – or for those who ought to in any respect. Right here’s the perfect veterinary recommendation in your Shih Tzu.

So that you’ve determined to spay or neuter your Shih Tzu– however when?

Typically referred to as getting your canine Mounted or Finished (nomenclature that bugs me, as a result of, fastened, implies damaged, which is kinda imply!), the vast majority of canines have this minor process carried out upon them at a younger age. Often on a veterinary suggestion.

I do know when Indie was little, I used to be instructed: “Six months, on the dot” – which is widespread recommendation given throughout America and Europe. If you happen to ask the Web (i.e. Fb) often suggestions say later and say a minimal of twelve months. 

However is that even proper? Or is it based in any kind of science? 

With this conflicting data, how are you meant to know? Belief your vet? Do as your loved ones has at all times completed? Or belief the rando on the web who seems to know all of it. 

None of that appears to be a good suggestion when the potential penalties of those procedures are rumoured to be a few of the scariest illnesses and illnesses a canine can face… Most cancers, Hip or Elbow Dysplasia, and different rotten afflictions like pyometra. All of that is the results of eradicating the provision of hormones…

Fortunately, analysis has come ahead which isn’t simply dimension particular, however breed-specific for 35 breeds! So, right here we’re going to debate the best occasions for spaying or neutering your canine.

First, let’s do some housekeeping…

Whilst neutering doesn't affect behaviour, neutering may affect your boys roaming to find females.
Reasonable train in your Shih Tzu is ok nonetheless vigorous train like that is actually not beneficial straight after a spay or neuter surgical procedure as a substitute strive  Publish-Surgical procedure Restoration: 12 Concepts For Conserving Your Canine Completely satisfied And Entertained.

What’s Neutering?

That is the surgical castration of a male canine – often by the removing of his testicles (sorry for making you cringe, gents!). This course of implies that your male canine can’t breed and that they’re not producing hormones which can be essential to your canine’s growth – each emotionally and bodily.

Much like neutering, spaying is a type of surgical castration that removes the ovaries and most frequently the fallopian tubes together with it. This implies your lady can’t breed, but it surely additionally means she is lacking some important hormones.

This course of might be completed in a ‘keyhole’ surgical procedure at additional value, although it’s significantly better for restoration occasions.

Advisable age:

Male – It’s your alternative!

Feminine – After 2 years. One other risk is spaying a feminine a month or two earlier than 6 months to keep away from the elevated threat of cancers of spaying later.

Sadly, there’s not a sufficiently big pattern of Shih Tzus within the examine to create a sufficiently big pattern to say strongly which one is which strategy to go together with Shih Tzus sadly – there are undoubtedly some spots to keep away from? However we are able to get into that under!

cute shih tzu
What a cutie! The age of your pup is admittedly essential as an element of their future well being as you contemplate spay or neuter surgical procedure. If you happen to want extra i information on the method, head over to The Rebarkable Spay & Neuter Data Heart!

What Are The Dangers?

Right here’s a fast overview of what the examine says the breed suffers from relying on when their surgical castration (Spay or Neuter) was carried out. The goal of offering this data is about supplying you with all the data to make the perfect determination.

Issues embrace – Cranial cruciate ligament tears or ruptures, Hip Dysplasia, Elbow Dysplasia 

Cancers embrace – LymphomaHemangiosarcomaMast Cell Tumours, Bone Most cancers (Osteosarcoma),

Gender Age of
Surgical Castration
Dysfunction threat Most cancers Threat
Male Beneath 6 months 0% 0%
Male 6 to 11 months 0% 0%
Male 12 to 23 months 0% 0%
Male 2 years to eight years 0% 0%
Male Intact 0% 0%
Feminine Beneath 6 months 0% 0%
Feminine 6 to 11 months 0% 7%
Feminine 12 to 23 months 0% 18%
Feminine 2 years to eight years 0% 0%
Feminine Intact 0% 0%
Comes from Helping Determination-Making on Age of Neutering for 35 Breeds of Canines: Related Joint Issues, Cancers, and Urinary Incontinence (Hart et al, 2020) the place 432 Shih Tzus had been monitored over the course of 15 years to gather this information.
  • 5% of intact females developed Pyometra.
  • Spaying at 6-11 mo. resulted in a 6 % prevalence of UI, and at
  • UI was not reported in any females
  • There have been no occurrences of MC in both the intact or spayed females

I feel the principle factor that we are able to take from this, is that these canines don’t appear to do nicely with procedures carried out beneath a 12 months – the mixed charges of issues is a lot increased at this part than later in life.

Although, the normal ‘spay and neuter to stop most cancers does appear to have some reality to it – no less than in accordance with the figures. The quantity undoubtedly appears to lean in favour of the boys although, doesn’t it? I discover that basically curious as I’m going via all of those findings for these blogs – however there may be usually a gender disparity the place the boys appear to be more healthy than the ladies, or vice versa.

Please do do not forget that well being testing is actually essential! So earlier than you do put money into a pet, be certain that your breeder has invested in them too, by wanting on the Shih Tzu well being testing options from the OFA.

If you happen to’re doing what I’m doing and taking a look at this analysis and reconsidering? It’s good to know that there are different choices accessible.

Sure! On the presumption that these points are brought on by the shortage of hormones (which is sort of actually the problem!) – there are a few methods to maintain hormones however not facilitate breeding.

For Ladies


That is the surgical removing of the uterus and solely half of the fallopian tubes! The removing of those implies that your lady is with out the power to breed – nonetheless – as she retains her ovaries, hormones will nonetheless be produced and will imply that her threat ranges are the identical as an intact feminine – with out the chance of pyometra! Although, there’s a threat that the breeding intuition can stay? Which can be fairly dangerous if a male tries to breed along with her. 

shih tzu puppy

Received A Rascal
Of A Pup?

Nicely, for those who want some

inexpensive assist to get your

Shih Tzu again heading in the right direction?

For Boys


The tubes that run from the testes are referred to as the vas deferens – these are what get minimize or eliminated on this occasion – rendering your canine with out the power to impregnate a feminine. It leaves his hormones (and sure his want to breed in consequence) but in addition implies that your canine ought to have the identical threat elements as a whole male.

Chemical Castration

Do you know that surgical castration is just not authorized in Norway? Consequently what’s widespread in Sweden, Denmark, and Norway is chemical castration which is an injection your canine should have each six months that drop the degrees of testosterone by roughly half. Which is confirmed to be efficient in short-term neuter in your canine. This implies you may really take a look at what castration would possibly do to your canine and is commonly the way it’s used within the UK and America – but it surely’s additionally a incredible manner of not placing your canine via surgical procedures. 

Shih Tzu socialising
Shih Tzu socialising with a brand new good friend

The examine “Helping Determination-Making on Age of Neutering for 35 Breeds of Canines: Related Joint Issues, Cancers, and Urinary Incontinence” (Hart BL, Hart LA, Thigpen AP, Willits NH) was launched in July 2020 – it covers 35 totally different breeds – and a separate scientific paper for combined breeds. The examine adopted a complete of 15,414 canines over 15 years of recording;

  1. The age of the canine when neutered or spayed
  2. Breed
  3. Issues together with: 
  4. Cancers together with;

Common Ideas Throughout The Research

I discover it extremely attention-grabbing that there’s breed-specific deviance. Previous to this, I used to be very a lot of the camp that it was merely a case of variations for canines of totally different dimension brackets – however that seems to not be the case.

For instance, a male Labrador (for whom I might have assumed weren’t dissimilar to a Shih Tzu) even have the perfect outcomes when neutered at 6 months – but the females favor a barely older age (When Ought to I Spay Or Neuter My Labrador is right here by the best way!).

So it’s actually price doing all of your analysis about these items.

As at all times? There’s not fairly sufficient data to make a completely knowledgeable determination (yay for variables!) however, you may undoubtedly get a good suggestion of it.

It’s price noting that this examine is a incredible guideline – and probably the most stable items of analysis we’ve had – it doesn’t have in mind many elements that I would think about needs to be thought-about. The restrictions I see are as follows;

  • A number of situations weren’t recorded in the event that they fell in the identical class,
  • Genetics weren’t thought-about,
  • Residing situations weren’t thought-about,
  • Meals high quality was not thought-about,
  • The train a canine had was not thought-about,
  • Physique situation was not factored in as a result of it had been studied beforehand and no sturdy correlation was discovered between physique situation and joint points.

The most important factor I can say is, that while that is the scientific suggestion for when to spay or neuter your Shih Tzu do do not forget that on the finish of the day? This is your determination. You’re the just one who could make this determination. So, do your finest – you’ve already discovered an exceptional useful resource – simply hold studying.

Or try The Rebarkable Spay & Neuter Data Heart! The place you’ll discover the solutions to all of your spay & neuter questions.

Creator, Ali Smith

Ali Smith is the Optimistic Pet Knowledgeable, canine coach and is the founding father of Rebarkable. She is keen about serving to pet mother and father get issues proper, proper from the beginning. To assist create a pet able to being a assured and adaptable member of the family and hold puppies out of shelters.

Ali has received a number of awards for her canine coaching, and has had her weblog (this weblog!) rated as 2021 & 2022 worlds’ finest pet weblog!



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