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Letter to the Editor| Volume 76, ISSUE 1, P71, July 2007

Letter to the Editor

      We read with interest the review, ���Fertility control in wildlife: humans as models,��� published earlier this year in Contraception [
      • Barfield J.P.
      • Nieschlag E.
      • Cooper T.G.
      Fertility control in wildlife: humans as a model.
      ]. However, we were disappointed to see that the authors were unaware of much of the research and application involving wildlife contraception that is underway. In fact, a coordinated program for contraception in captive wildlife has been in existence in North American zoos since the mid-1970s. The AZA Wildlife Contraception Center at the Saint Louis Zoo, supported by the Association of Zoos and Aquariums, provides information and recommendations on contraceptive use through its Web page (www.stlzoo.org/contraception) and maintains an extensive database with approximately 20,000 records of contraceptive use, supplemented by annual surveys of all contraceptive methods used in zoos in the United States as well as in Europe and Australia. The center also coordinates research into promising new methods, monitors methods in application and helps make products available to zoos through commercial partnerships. These products include a synthetic progestin in implant or oral formulations and GnRH agonists as preformed or injectible implants. In 2005, the Johns Hopkins University Press published an edited volume, Wildlife Contraception: Issues, Methods and Application, which was a collaborative effort of the center's staff and advisory board members.
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      References

        • Barfield J.P.
        • Nieschlag E.
        • Cooper T.G.
        Fertility control in wildlife: humans as a model.
        Contraception. 2006; 73: 6-22