Twin Peaks Roundup, Day 13

The incident began on July 23.  Gather stats through August 4:

  • Target: Horses and burros
  • Type: Planned
  • Method: Helicopter
  • Category: Cruel and costly
  • Horses captured: 1,458, up from 1,211 on Day 11
  • Burros captured: 38, no change from Day 11
  • Average daily take: 112.2 horses, 2.9 burros
  • Capture goal: 1,978 horses, 339 burros
  • Removal goal: 1,868 horses, 339 burros
  • Horses returned: None, no change from Day 11
  • Burros returned: None, no change from Day 11
  • Horse deaths: 21, up from 18 on Day 11
  • Burro deaths: None, no change from Day 11
  • Horses shipped: 1,258, up from 1,016 on Day 11
  • Burros shipped: 38, no change from Day 11

Data quality is poor.  The figures above are based on the daily reports.  They may differ from the totals at the gather page.

No burros have been taken since Day 8.

A colt was put down on Day 12 due to a broken leg.  Two more horses were euthanized on Day 13 because of pre-existing conditions.

The horse death rate is 1.4%.

The horse total includes 559 stallions, 648 mares and 251 foals.

Youngsters represented 17.2% of the horses captured.

Of the adults, 46.3% were male and 53.7% were female.

The herd can’t be growing at a rate of 20% per year with a birth rate of 17% per year.

A better estimate would be 12% per year, assuming a death rate of 5% per year.

Body condition scores on Days 12 and 13 ranged from 4 to 5.

The trap is in the North Twin Peaks Home Range.

The HMA is subject to permitted grazing.

Twin Peaks HMA Map 07-19-22

Day 13 ended with 179 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: 17,724 AUMs per year
  • Water liberated to date: 14,770 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 11.

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