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Is a movable lump on my 7-month-old puppy's testicles normal?

Updated On September 23rd, 2025

Pet's info: Dog | Jack Russell Terrier | Male | unneutered | 6 months and 27 days old | 6 lbs

Hello! My nearly 7month old pup has a lump on both testicles at the back... it moves around on both. Is this normal?

1 Answer

Most Helpful Answer

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Answered By Andrea M. Brodie, DVM

Veterinarian

Published on July 8th, 2018

What you are feeling is likely the epididymis on each testicle. This is where the semen is stored in a convolute of the seminal duct directly attached at the lower end of the testicle. This is normal.

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