Spaying a female cat will end the constant crying. Stud dogs and Toms will no longer visit if your female is spayed. Unaltered pets tend to exhibit behavior and temperament problems. Unaltered male cats tend to spray, run away, get into fights, and roam the neighborhood. Communities spend a small fortune to control and eliminate unwanted animals.
Animal control has to pickup animals that are hurt or dead on the road.
Shelters have the sad task of killing unwanted animals. A male dog or cat is neutered by removing both testicles. Your veterinarian can explain and discuss the best age to sterilize your pet. Do your part in not adding to the pet overpopulation. Spay and neuter your dog or cat and keep them healthy and happy.