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My dog has a testicular tumor. Can he still breed after surgery?

Updated On September 23rd, 2025

Pet's info: Dog | American Pit Bull Terrier | Male | unneutered | 9 months and 8 days old | 0 lbs

My dog has a tumor on one of his testicules. Can they only remove the damaged testicle and leave the other healthy testicle so he can breed??

2 Answers

Most Helpful Answer

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Answered By Dr. B. DVM, DACVIM (Oncology)

Veterinarian

Published on November 24th, 2018

This depends on whether the mass is on the scrotal skin or actually on the testicle itself. If a tumor is on the testicle then the whole testicle should be removed. If it is on the skin then the testicle does not need to be removed, but sometimes this is a hard area to perform a wide excision without removing the whole scrotum. Your dog is very young, has this mass been confirmed as a tumor by non invasive means first, like a needle aspirate? Given the age investigating in a non invasive way prior to any invasive treatment is recommended. As well, if a tumor is diagnosed, then staging to make sure there is no spread would be important prior to surgery. Also, if your pet does have a tumor then breeding a pet with a history of a tumor is not recommended. Consultation with a boarded veterinary oncologist and/or boarded veterinary surgeon in your area may be helpful before making a final treatment plan. I hope this helps and thank you for using Petco Pet Education Center, formerly Petcoach!

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    Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on April 15th, 2019

    Hi there. A dog with one testicle may still produce enough sperm to be fertile, so it may be possible to breed. However, I would recommend consulting with your veterinarian first about this, as certain types of tumors are genetic and breeding may not be recommended depending on what King's specific diagnosis was.

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