What Age Should Dogs Be Spayed/Neutered to Avoid Increased Health Risks?
New research adds more dog breeds to the list of those for which there are guidelines on when to spay or neuter them based on the health risks. Photo: Victoria Rak/Shutterstock By Zazie Todd PhD This page contains affiliate links which means I may earn a commission on qualifying purchases at no cost to you. In North America, it’s common to spay female dogs by removing the ovaries and uterus, and to neuter male dogs by castrating them, but there are concerns about health risks if this is done too early. New research builds on previous work on 35 breeds and analyzes the risks of joint issues and cancer for an additional five breeds (all large ones). The results mean there are now guidelines for the earliest age at which 40 different breeds of dogs should be spayed or neutered in order to avoid health risks. The research was conducted by a team of researchers at the University of California, Davis and published in Frontiers in Veterinary Science . Previous research shows that i...