Spaying or neutering large-breed dogs can put them at a higher risk for obesity and, if done when the dog is young, nontraumatic orthopedic injuries, reports a new study based on data from the Morris Animal Foundation Golden Retriever Lifetime Study. The spay/neuter study was published today in the journal PLOS ONE.
source https://www.lifetechnology.com/blogs/life-technology-news-blog/timing-of-spay-neuter-tied-to-higher-risk-of-obesity-and-orthopedic-injuries-in-dogs