Suggested Neutering Age Guidelines

Timing matters when spaying or neutering a dog, as early procedures can impact joint health, cancer risk, and behavior. This chart provides breed-specific recommendations to help ensure long-term well-being.

BreedMales – No earlier thanFemales – No earlier than
Australian Cattle Dog6 months6 months
Australian Shepherd6 months6 months*
Beagle12 months12 months
Bernese Mountain Dog24 months24 months
Border Collie6 months6 months
Boston Terrier12 months12 months
Boxer12 months12 months
Bulldog6 months6 months
Cavalier King Charles Spaniel6 months6 months
Chihuahua6 months6 months
Cocker Spaniel6 months6 months
Collie6 months6 months
Corgi6 months6 months
Dachshund6 months6 months
Doberman PinscherLeave IntactLeave Intact
English Springer Spaniel6 months6 months
German Shepherd12 months12 months
German Short/Wirehaired Pointer12 months12 months
Golden Retriever12 monthsLeave Intact
Great Dane6 months6 months
Irish Wolfhound12 months12 months
Jack Russell Terrier6 months6 months
Labrador Retriever12 months12 months
Maltese6 months6 months
Mastiff24 months24 months
Miniature Schnauzer6 months6 months
Newfoundland12 months12 months
Pomeranian6 months6 months
Poodle (Toy)6 months6 months
Poodle (Miniature)12 months12 months
Poodle (Standard)12 months12 months
Pug6 months6 months*
Rhodesian Ridgeback6 months6 months
Rottweiler12 months12 months
Saint Bernard12 months12 months
Shetland Sheepdog6 monthsLeave Intact
Shih Tzu6 months6 months
Siberian Husky6 months6 months
West Highland White Terrier6 months6 months
Yorkshire Terrier6 months6 months

Legend: * No significant increase in joint disorders or cancers, but some cases noted. “Leave Intact” indicates neutering is not recommended.

This chart is crucial for understanding the best time to spay or neuter a dog because timing can significantly impact a dog’s long-term health. Here’s why:

1. Joint Health Considerations

  • Large and giant breeds (like Bernese Mountain Dogs and Golden Retrievers) are more prone to joint disorders such as hip dysplasia if neutered too early.
  • Early neutering can interfere with proper bone growth, leading to higher risks of arthritis and mobility issues.

2. Cancer Risks

  • Certain breeds show increased risks of specific cancers when neutered too early.
  • For example, Doberman Pinschers and Golden Retriever females have been found to have a higher likelihood of developing cancer if altered prematurely.

3. Behavioral Impacts

  • Some breeds may experience increased aggression or anxiety if neutered too early, while others benefit from early neutering to reduce unwanted behaviors like marking or roaming.

4. Breed-Specific Differences

  • The recommendations vary based on scientific studies tailored to each breed’s health risks.
  • Smaller breeds generally face fewer risks with early neutering, while larger breeds should wait longer.

5. Reproductive & Urinary Health

  • Some female breeds (like Shetland Sheepdogs and Dobermans) are recommended to remain intact due to a higher risk of urinary incontinence if spayed too soon.

By following these guidelines, pet owners can make informed decisions that optimize their dog’s health, longevity, and quality of life.