During the decline of the Roman Empire and the Early Middle Ages, much of the quality breeding stock developed during the classical period was lost due to uncontrolled breeding and had to be built up again over the following centuries.

It was the feeling that the greedy acquisition of more planets on which to spread the products of our then uncontrolled breeding was not the real answer to our problem.

The General Assembly finds that the uncontrolled breeding of cats and dogs in the State has led to unacceptable numbers of unwanted dogs, puppies and cats and kittens.

"We can't have uncontrolled breeding of those creatures," Paul said quickly.

Due to largely uncontrolled breeding in some isolated communities, many Labrador Huskies and Labrador Husky mixes are homeless.

The term is distinguished from landrace, which refers to a naturally occurring regional variety of domestic (and sometimes feral) animal through uncontrolled breeding.

She had known there was overcrowding and uncontrolled breeding.