Currently the primary method of maintain AML standards for specifics rangelands throughout western lands.
4.) Increase use of effective fertility control vaccines/contraception to slow population growth: “Available fertility control drugs and methods are only part of a comprehensive solution for addressing such a large-scale overpopulation due to the frequency with which they must be administered and the logistical and financial challenges of administering drugs to enough animals across broad landscapes. Our Coalition believes that scientifically-based use of fertility control, where proven effective, can be an important component of the management of wild horses and burros, but is not alone a solution to large-scale overpopulation.” (wild horse range pg.