It is treated through surgical removal of the retained testicle.

Testicular torsion is also more likely in retained testicles.

The incidence of testicular cancer is 13.6 times higher in dogs with abdominally retained testicles compared with normal dogs.

A rig or ridgling is a male equine with a retained testicle or one which has been incompletely castrated.

Surgical correction is by palpation of the retained testicle and subsequent exploration of the inguinal canal or abdomen, however it is against AKC rules to show altered dogs, making this correction pointless for breeding stock.