Spaying and neutering dogs or cats as early as 6 months of age is safe, has health benefits, and is less expensive than waiting until the animal is older and larger. Not only does spaying stop messy heats, pesky male dogs and unwanted litters, it also prevents certain medical problems such as uterine infections, mammary tumors, and hormonal dermatitis.
This surgery may be performed for either medical, behavioral, or birth control reasons. Behavioral reasons include unwanted aggressiveness, spraying by tom cats, prevention of dog's running away, masturbating on the legs of friends and family. Medical reasons include: perianal tumors, perineal hernias, and prostatitis