Managing to Extinction: Man-Made Fertility Control & Sterilization Destroys Nature’s Survival of the Fittest for Native Wild Horses Posted on May 11, 2013 by Protect Mustangs Visit our In the News section to get an overview of the issue: http://protectmustangs.org/?page_id=218 Share this:TwitterFacebookTumblrPinterestLinkedInWhatsAppSkypeRedditPrint