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Figure 1: Age Structure and Sex Ratio PMWHR Spring 2004

Figure 1: Age Structure and Sex Ratio PMWHR Spring 2004. Total Herd Size = 161 Horses Known Age to 8 years Estimated Age 9-25 years. Figure 2: Mare Pregnancy Results PMWHR Spring 2004. Total Mares = 76 Known Age to 8 Years Estimated Age 9-18 Years. Figure 3: Mare Interchange Activity

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Figure 1: Age Structure and Sex Ratio PMWHR Spring 2004

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  1. Figure 1: Age Structure and Sex Ratio PMWHR Spring 2004 Total Herd Size = 161 Horses Known Age to 8 years Estimated Age 9-25 years

  2. Figure 2: Mare Pregnancy Results PMWHR Spring 2004 Total Mares = 76 Known Age to 8 Years Estimated Age 9-18 Years

  3. Figure 3: Mare Interchange Activity PMWHR 1998-2003 Number of breeding age mares (age > 2) = 404 Number of foals = 200

  4. Figure 4: Mare Interchange Activity PMWHR 1998-2003 Number of breeding age mares (age > 1) = 483 Number of foals = 200

  5. Figure 5: Harem Interchanging Mares Losing Foals - PMWHR 1998-2003 Numbers indicate the number of interchanges per mare. N= 17 mares

  6. Figure 6: Ages of Interchanging Mares PMWHR 1998 - 2003 N = 187 Mares

  7. Figure 7: Herd and Foal Crop Sex Ratio - PMWHR 1971-2003 Even numbers of males and females is represented by a sex ratio of 1. All Data Approximate

  8. Figure 8: Annual Foaling Rate PMWHR 1996 - 2003

  9. Figure 9: Age Class Foaling Rates PMWHR 1996-2003 N = 518 Maresand 269 foals

  10. Figure 10: Population Numbers PMWHR 1971-2003 All Data Approximate

  11. Figure 11: Foaling Periods PMWHR 1996-2003

  12. Figure 12: Annual Foal Production by Age Class of Mares - PMWHR

  13. Figure 13: Rate of Annual Increase in Herd Size PMWHR 1971-2003 All Data Approximate

  14. Figure 14: Annual Foal Crop Survival PMWHR 1996 - 2003

  15. Figure 15: Total Foal Production PMWHR 1996-2003 N = 518 Mares Total of 269 Foals

  16. Figure 16: Recorded Mortality PMWHR 1996-2003 Age < 8 = known age Age > 8 = estimated age

  17. Figure 17: Foal Siring by Harem Stallions PMWHR 1996-2003 Based on observational data for 246 harem stallionsand 269 foals (Age<9 is known)

  18. Figure 18: Foal Numbers by Harem Stallions PMWHR 1996-2003 Based on observational data for 246 harem stallionswith surviving foals Based on observational data for 246 harem stallionsand 269 foals (Age<9 is known)

  19. Extra Figure: Herd Color Balance PMWHR 1996-2003

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