There are many reasons why pet owners decide to have their pets spayed or neutered. The most common reason for desexing a female dog or cat is to prevent unwanted pregnancy. As most pet shelters are overcrowded, this helps control the pet population.
Desexing male dogs and cats has many benefits as well. Neutering a male dog can curb aggressive tendencies as he matures. Male cats can also show aggressive tendencies, most often manifesting in a desire to fight with other cats. This can lead to injuries and transmission of Feline
Immunodeficiency Virus or FIV.