selective breeding

noun

: the process of modifying the characteristics of living things especially to enhance one or more desirable traits by selection in breeding controlled by humans
After about three years of selective breeding, their company, Cavendish Game Birds, was able to deliver quail that consistently dressed out to seven or eight ounces.Warren Schultz
Selective breeding continues in an attempt to enhance the human use of this economic plant against a background of disappointingly low rubber content …John M. Miller and Ralph A. Backhaus
Fixed through selective breeding, traits could vanish over several generations if people became careless in choosing their dogs' mates.Mark Derr

called also artificial selection

Examples of selective breeding in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Through selective breeding, the domestic silk moths became less capable of flight and evading predators, eventually relying entirely on human care for their survival. Scott Travers, Forbes, 4 Mar. 2025 Micro bullies emerged after two decades of selective breeding the most petite American bullies, an article from New Pitbull stated. Gordon G. Chang, Newsweek, 3 Mar. 2025 While humans have demonstrated the ability to drive rapid physical changes in dogs through selective breeding, the study finds little evidence linking these changes to task specialization. Jenny Lehmann, Discover Magazine, 5 Feb. 2025 The Persian cat remains an icon of feline elegance, but its modern iteration raises questions about the ethical implications of selective breeding. Scott Travers, Forbes, 6 Dec. 2024 The cannabis plant has evolved significantly due to selective breeding, and pure indica or sativa landraces are now extremely rare. Tribune Content Agency, The Mercury News, 17 Dec. 2024 The official website states farm animals face significant abuses, including severe confinement; painful mutilations without anesthesia; and selective breeding for excessive production that harms their well-being. Gordon G. Chang, Newsweek, 11 Dec. 2024 The selective breeding that created these exaggerated features has led to higher incidences of skin infections due to excessive folds and even spinal deformities. Scott Travers, Forbes, 6 Dec. 2024 However, these noises often signal breathing struggles, which are indicative of serious health and welfare issues stemming from selective breeding. Daniel R. Depetris, Newsweek, 6 Dec. 2024

Word History

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of selective breeding was in 1863

Browse Nearby Words

Cite this Entry

“Selective breeding.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/selective%20breeding. Accessed 13 Mar. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!