The Best Age To Neuter A Kelpie Sized Dog

Updated October 18th, 2020

Whether you call it neuter, spay, castrate or desex, there’s been a lot of debate about the right time to get it done in dogs. That’s because it varies from breed to breed. Recently, a study was published on the best age for neutering medium-sized dog breeds like Kelpies.

The study actually looked at 10-19kg crossbreeds but this data should be the closest match to a Kelpie currently available.

This paper provides the first evidence for medium-sized dog breeds on choosing a time of desexing with the fewest health problems. The study compared the dogs neutered at different ages for their rates of:

All of these have been suspected to be linked with the age of neutering. Here’s what they found (only bold values are significant, my summary to follow):

HDCCLEDAt Least One
Male < 6 months0/15 (0)0/15 (0)0/15 (0)0/15 (0)
Male 6 – 11 months0/17 (0)0/17 (0)0/17 (0)0/17 (0)
Male 1 year0/39 (0)0/38 (0)0/39 (0)0/38 (0)
Male 2 – 8 years0/35 (0)1/34 (2.94)0/35 (0)1/34 (2.94)
Male Intact0/93 (0)1/92 (1.09)0/94 (0)1/92 (1.09)
Female < 6 months0/34 (0)1/33 (3.03)0/33 (0)1/32 (3.13)
Female 6 – 11 months0/59 (0)1/59 (1.69)0/61 (0)1/59 (1.69)
Female 1 year2/87 (2.3)3/87 (3.45)0/88 (0)3/87 (3.45)
Female 2 – 8 years0/58 (0)0/58 (0)0/59 (0)0/58 (0)
Female Intact2/89 (2.25)3/88 (3.41)1/90 (1.11)4/88 (4.55)
Joint disorders. For ages 1 through 11 years and for each neuter period: no significant findings.
LSAMCTHSAOSAAt Least One
Male < 6 months0/15 (0)0/15 (0)0/15 (0)0/15 (0)0/15 (0)
Male 6 – 11 months0/17 (0)0/16 (0)0/17 (0)0/17 (0)0/16 (0)
Male 1 year0/39 (0)1/39 (2.56)0/39 (0)0/39 (0)1/39 (2.56)
Male 2 – 8 years1/35 (2.86)0/34 (0)0/35 (0)0/35 (0)1/34 (2.94)
Male Intact2/92 (2.17)5/96 (5.21)0/94 (0)0/94 (0)7/94 (7.45)
Female < 6 months0/32 (0)0/34 (0)0/34 (0)0/34 (0)0/32 (0)
Female 6 – 11 months0/58 (0)1/60 (1.67)0/61 (0)0/61 (0)1/57 (1.75)
Female 1 year0/86 (0)1/84 (1.19)0/88 (0)0/88 (0)1/83 (1.2)
Female 2 – 8 years0/58 (0)0/57 (0)0/58 (0)0/59 (0)0/55 (0)
Female Intact2/87 (2.3)0/90 (0)0/90 (0)0/90 (0)2/87 (2.3)
Cancers. For ages 1 through 11 years and for each neuter period: no significant findings.

UI was higher in dogs under 1 year of age, but the difference was not significant.

Summary: The Best Kelpie Spay & Neuter Times

As you can see, there is minimal evidence that health problems in medium-sized dogs like Kelpies are influenced by the age of neutering. Owners of either sex are therefore free to choose the age of desexing that suits them best.

Recommendation: 9 months for both males and females, although 6 months would be acceptable. The final decision may rely on other factors such as:

The study authors are to be applauded to bringing into focus one of the most common questions from dog owners. For Kelpies and other medium-sized dogs, they’ve made the decision a lot easier.

Related: Best Desexing Age For 39 Breeds | Desexing Choices For Dogs | Costs Of Desexing

By Andrew Spanner BVSc(Hons) MVetStud, a vet in Adelaide, Australia. These blogs are from a series regularly posted on email and Twitter. Subscribe via email here to never miss a story!
Have something to add? Comments are welcome below and will appear within 24 hours.

Andrew

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