Rock Springs Roundup Day 54

The incident began on October 7.  Gather stats through November 29:

  • Type: Planned
  • Method: Helicopter
  • Horses captured: 2,478, up from 2,262 on Day 52
  • Average daily take: 45.9
  • Capture goal: 4,400
  • Removal goal: 3,500
  • Returned: 46, no change from Day 52
  • Deaths: 12, up from 9 on Day 52
  • Shipped: 2,270, up from 2,096 on Day 52

Two mares ran into panels and broke their necks on Day 53.  A horse was euthanized on Day 54 due to a leg injury.  The death rate is 0.5%.

The cumulative total includes 974 stallions, 1,001 mares and 503 foals.  The gather page shows 1,044 stallions.

1,044 + 1,001 + 503 = 2,548

Foals represented 20.3% of the horses captured.  Of the adults, 49.3% were male and 50.7% 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 54 ended with 150 unaccounted-for animals.  The total number of horses removed is 2,478 – 46 = 2,432, 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: 29,184 AUMs per year
  • Water liberated to date: 24,320 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 52.

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