Skip to content
Rat birth control used to manage rodent population in US cities


Rat birth control used to manage rodent population in US cities

Just two rats, once sexually mature, could amount to about 15,000 rats in a year. Can a contraceptive succeed where traps and poisons have failed?

As California and other states restrict the use of highly toxic rat poison, cities across the country have turned to a new method to try to control their rat populations: birth control.

Rather than a pill, the contraceptive, otherwise known as ContraPest, is deployed in bait boxes as a fat- and water-rich liquid and targets their reproductive abilities, preventing them from contributing to the already existing population. .

Help Terms of Service Privacy Policy Your California Privacy Rights / Privacy Policy Our Ethical Principles Sitemap

© 2022 USA TODAY, a division of Gannett Satellite Information Network, LLC.


USA Today

Not all news on the site expresses the point of view of the site, but we transmit this news automatically and translate it through programmatic technology on the site and not from a human editor.