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Pig surgery: cryptorchidectomy using an inguinal approach.

A Scollo¹, P Martelli², E Borri³

¹Department of Animal Medicine, Production and Health, University of Padova, viale dell'Università, 16, Legnaro 35020, Padova, Italy.

The Veterinary Record

|April 8, 2016

Summary

A less-invasive surgical technique successfully removed retained testicles in pigs. This on-farm method, previously used in horses, dogs, and cats, proved highly effective for cryptorchid pigs.

Keywords:

Cryptorchidism Inguinal Approach Pigs Surgery

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Area of Science:

Veterinary Surgery
Animal Reproduction

Background:

Cryptorchidism, the retention of one or both testicles, is common in pigs.
Surgical correction is often necessary for health and economic reasons.
Existing less-invasive techniques are established in horses, dogs, and cats.

Purpose of the Study:

To evaluate the efficacy of a less-invasive surgical technique for removing retained testicles in pigs under on-farm conditions.
To adapt and apply a surgical method successful in other species to swine.

Main Methods:

284 monolateral cryptorchid pigs underwent on-farm surgery.
An incision was made over the inguinal ring to access and exteriorize the undescended testicle.
Identification and traction of the vaginal process and gubernaculum facilitated testis removal.

Main Results:

The undescended testicle was abdominal in 90.8% and inguinal in 9.1% of cases.
No abdominal cavity breaches or enlarged inguinal rings occurred.
A low complication rate (8.1% minor gubernaculum issues, 0.7% testicle not found, 1.4% mortality) was observed.

Conclusions:

The less-invasive surgical technique is highly effective for cryptorchid pigs.
This method can be a primary surgical approach for retained testicles in swine.
Successful adaptation of the technique from horses, dogs, and cats to pigs was demonstrated.