Twin Peaks Roundup, Day 7

The incident began on July 23.  Gather stats through July 29:

  • Target: Horses and burros
  • Type: Planned
  • Method: Helicopter
  • Category: Cruel and costly
  • Horses captured: 945, up from 787 on Day 5
  • Burros captured: 2, no change from Day 5
  • Average daily take: 135.0 horses, 0.3 burros
  • Capture goal: 1,978 horses, 339 burros
  • Removal goal: 1,868 horses, 339 burros
  • Horses returned: None, no change from Day 5
  • Burros returned: None, no change from Day 5
  • Horse deaths: 14, up from 9 on Day 5
  • Burro deaths: None, no change from Day 5
  • Horses shipped: 694, up from 578 on Day 5
  • Burros shipped: 2, no change from Day 5

The figures above are based on the daily reports.  The number of horses shipped doesn’t match the total at the gather page.

Three horses were put down on Day 7 due to pre-existing conditions.  Two foals died in temporary pens, cause unknown.

The horse death rate is now 1.5%, up from 1.1% on Day 5.

The horse total includes 373 stallions, 422 mares and 150 foals.

Youngsters represented 15.9% of the horses captured.  Of the adults, 46.9% were male and 53.1% were female.

The herd can’t be growing at a rate of 20% per year with a birth rate of 16% per year.

A better estimate would be 11% per year, assuming a death rate of 5% per year.

Body condition scores on Days 6 and 7 ranged from 4 to 5.

The trap was moved to a new location on Day 6.

The HMA is subject to permitted grazing.

Twin Peaks HMA Map 07-19-22

Day 7 ended with 237 unaccounted-for horses and no unaccounted-for burros.

Mares treated with fertility control will be returned to the area at a later date.

Other statistics:

  • AML: 758 horses and 116 burros, equivalent to 816 horses
  • Forage assigned to horses and burros: 9,792 AUMs per year
  • Pre-gather population: 3,316 horses and 401 burros, equivalent to 3,516 horses
  • Forage liberated to date: 11,340 AUMs per year
  • Water liberated to date: 9,450 gallons per day
  • Forage assigned to livestock: 27,178 AUMs per year (estimated)
  • Animals displaced from HMA by permitted grazing: 2,264 horses
  • True AML: 3,022 horses and 116 burros, equivalent to 3,080 horses
  • Stocking rate at new AML: 4.1 horses per thousand acres
  • Horses displaced from HMA by drilling and mining: Ask the advocates

RELATED: Twin Peaks Roundup, Day 5.

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