Rock Springs Roundup Day 58

The incident began on October 7.  Gather stats through December 3:

  • Type: Planned
  • Method: Helicopter
  • Horses captured: 2,940, up from 2,727 on Day 56
  • Average daily take: 50.7
  • Capture goal: 4,400
  • Removal goal: 3,500
  • Returned: 46, no change from Day 56
  • Deaths: 15, no change from Day 56
  • Shipped: 2,708, up from 2,495 on Day 56

The death rate is 0.5%.

The cumulative total includes 1,149 stallions, 1,193 mares and 598 foals.  The gather page shows 1,319 stallions.

1,319 + 1,193 + 598 = 3,110

Foals represented 20.3% of the horses captured.  Of the adults, 49.1% were male and 50.9% were female.

Body condition scores were not reported.

Gather activity continued at Salt Wells Creek and Adobe Town.  Five HMAs are involved in the roundup.

Rock Springs HMAs 10-13-21

Day 58 ended with 171 unaccounted-for animals.  The total number of horses removed is 2,940 – 46 = 2,894, which includes these animals.

Other statistics:

  • AML: 2,165 (across five HMAs)
  • Forage assigned to horses: 25,980 AUMs per year
  • Pre-gather population: 5,105
  • Forage liberated to date: 34,728 AUMs per year
  • Water liberated to date: 28,940 gallons per day
  • Forage assigned to livestock: 191,791 AUMs per year (estimated)
  • Horses displaced from HMAs by livestock: 15,982 (32% of off-range holding)
  • True AML: 18,147

RELATED: Rock Springs Roundup Day 56.

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