Clients frequently ask when is the correct time to spay or neuter their pets. This is a question filled with controversy due to press coverage and information that is taken out of contest or even false claims in the press.
Here is a very good and balanced article on Petplace: To Neuter or Not to Neuter – What You Should Know.
This article above will provide you a full thought process as to the pros and cons, studies to date.
The American Veterinary Medical Association suggests the optimal age to spay and neuter dogs and cats is 6 months. I recently called Ohio State and asked their outpatient department when they recommend to spay and neuter dogs and cats and their answer was 6 months.
Here are the scientific articles published in the AVMA:
Determining the optimal age for gonadectomy of dogs and cats
Long-term risks and benefits of early-age gonadectomy in dogs
Long-term risks and benefits of early-age gonadectomy in cats
Please let us know if you have additional questions about spaying and neutering your pet.