Sand Wash Roundup Day 9

The incident began on September 1.  Gather stats through September 9:

  • Type: Emergency
  • Method: Helicopter
  • Horses captured: 631, up from 501 on Day 7
  • Average daily take: 70.1
  • Capture goal: 783
  • Removal goal: 733
  • Returned: 1, no change from Day 7
  • Deaths: 2, up from 1 on Day 7
  • Shipped: 520, up from 370 on Day 7

A colt was euthanized on Day 8 due to pre-existing conditions, lifting the death rate to 0.3%.

Gather operations occurred outside the HMA on Day 9.  The project area is much larger than the HMA, as shown on the map in Appendix A of the Final EA (page 62 in the pdf).

The roundup is not over, as reported by some news outlets.

The breakdown between stallions, mares and foals captured on Day 9 was not provided.

As of Day 8, foals represented 12.7% of the horses gathered.  Of the adults, 43.1% were male and 56.9% were female.

The low percentage of foals may be due to the darting program.  The gap between males and females may indicate the sex ratio of the herd is not 1:1 (50/50).

Body condition scores were not reported.

Day 9 ended with 108 unaccounted-for animals.

Other statistics:

  • AML: 362
  • Forage assigned to horses: 4,344 AUMs per year
  • Pre-gather population: 896
  • Forage liberated to date: 7,560 AUMs per year
  • Water liberated to date: 6,300 gallons per day
  • Forage assigned to livestock: 16,827 AUMs per year (estimated)
  • Horses displaced from HMA by livestock: 1,402 (2.8% of off-range holding)
  • True AML: 1,764

RELATED: Sand Wash Roundup Day 7.

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