Guidelines for optimal timing based on breed-specific health research of 35 breeds
The term 'choice' means there was no increased risk for any age.
| Breed | ♂ Males | ♀ Females | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Leave Intact | Choice | Beyond 6 months | Beyond 11 months | Beyond 23 months | Leave Intact | Choice | Beyond 6 months | Beyond 11 months | Beyond 23 months | |
