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    FY2005: Use of Fertility Control on Mares 11 Years of Age
    and Older to Suppress Herd Growth Rates

(all files are in pdf format)

Environmental Assessment 
    Interest Letter
    Environmental Assessment
    PMWHR EA Figures 1-18
    Appendix 1: Public Horse List (April 8,2005)
    Appendix 2: Forest Service Letter dated November 5, 2004
    Appendix 3: National Park Service Letter dated November 30, 2004
    Appendix 4: 2005 Protocol for the Treatment of Wild Mares on the Pryor Mountain Wild Horse Range with a Porcine Zona Pellucida
                          Contraceptive Vaccine
    Appendix 5: PMWHR Distribution List of Public Reviewers

Decision Record 
    Dear Interested Party 
    Decision Record 
    Table 1: PMWHR Herd Demographic Estimates 1996-2007
    Table 2: PMWHR Herd Size Estimates 1996-2007
    Table 3: Production and Survival of Foals from PMWHR Mares 11 Years and Older
    Figure 1: PMWHR Fertility Control Database (July 27, 2005)
    Figure 2: Hypothetical Immune Response to PZP Vaccine in Five PMWHR Yearling Mares
    Figure 3: Patterns of Foal Loss PMWHR 1999-2005