Search Search Search Topic (-) Spay/Neuter Surgery Shelter Medicine Programs & Services Keeping Pets in Homes Active FiltersSpay/Neuter Group 9 Clear All New Research Shows Ovarian Pedicle Tie Safe in Feline Spay Surgery Learn more about spaying female cats with the ovarian pedicle tie (OPT) technique, which can be performed 30% faster than traditional sutures with comparable hemorrhaging risks. Spay/Neuter Surgery for Female Cats These demonstrative videos show you the many techniques used to perform spay surgeries on female cats.