The solution is to spay and neuter your pets. Two uncontrolled breeding cats can yield over 80 million cats in 10 years. Myths and Misconceptions of Spaying and Neutering Animals become fat and lazy after spaying and neutering Proper amounts of pet food and adequate exercise will keep your spayed or neutered pet healthy. Generally, animals become fat and lazy only if their owner overfeeds and underexercises them. The only change in behavior is positive.
Male cats tend to reduce territorial spaying.
Neutered dogs and cats fight less. They also wander less because they aren't as interested in pursuing females in heat. A female should have one litter before she is spayed. The best time to spay a female is before her first heat. Early spaying greatly reduces the incidence of mammary cancer.