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Gonad-Sparing Surgical Sterilization in Dogs
1Department of Animal and Rangeland Sciences, Oregon State University, Corvallis, OR, United States.
Frontiers in Veterinary Science
|June 30, 2020
Summary
Sterilizing dogs via gonad removal has health risks. This review discusses two gonad-sparing surgeries allowing owners to decide on gonad removal after maturity.
Area of Science:
- Veterinary Surgery
- Canine Reproduction
- Endocrinology
Background:
- Elective sterilization is common in dogs for population control.
- Ovariohysterectomy (spay) and castration (neutering) are standard gonad removal procedures.
- Gonad removal can lead to long-term health complications, impacting metabolism, behavior, and musculoskeletal health.
Purpose of the Study:
- To review two gonad-sparing surgical techniques for canine sterilization.
- To present alternatives to traditional gonad removal in dogs.
- To inform owners about options for delaying the decision on gonad removal.
Main Methods:
- Description of two specific gonad-sparing surgical procedures.
- Application of these techniques in pediatric patients.
- Assessment of impact on pubertal maturation.
Main Results:
- The described surgeries allow for sterilization without immediate gonad removal.
- Pediatric application does not impede normal pubertal development.
- Owners can defer the decision regarding gonad removal until the dog is fully mature.
Conclusions:
- Gonad-sparing surgery offers an alternative to traditional sterilization in dogs.
- These methods preserve endocrine function and allow for informed future decisions.
- This approach supports canine health by addressing potential long-term complications of gonadectomy.

