Twin Peaks Roundup, Day 11

The incident began on July 23.  Gather stats through August 2:

  • Target: Horses and burros
  • Type: Planned
  • Method: Helicopter
  • Category: Cruel and costly
  • Horses captured: 1,211, up from 945 on Day 7
  • Burros captured: 38, up from 2 on Day 7
  • Average daily take: 110.1 horses, 3.5 burros
  • Capture goal: 1,978 horses, 339 burros
  • Removal goal: 1,868 horses, 339 burros
  • Horses returned: None, no change from Day 7
  • Burros returned: None, no change from Day 7
  • Horse deaths: 18, up from 14 on Day 7
  • Burro deaths: None, no change from Day 7
  • Horses shipped: 1,016, up from 694 on Day 7
  • Burros shipped: 38, up from 2 on Day 7

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

A colt was found dead in the pens on Day 8, cause unknown.  A stallion was put down after breaking his neck on panel while loading.

On Day 11, two foals were put down for injuries and wounds.

The horse death rate is 1.5%.

The horse total includes 472 stallions, 539 mares and 200 foals.

Youngsters represented 16.5% of the horses captured.  Of the adults, 46.7% were male and 53.3% 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 since Day 7 ranged from 4 to 5.

The trap is in the North Twin Peaks Home Range (whatever that means).

The HMA is subject to permitted grazing.

Twin Peaks HMA Map 07-19-22

Day 11 ended with 177 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: 14,760 AUMs per year
  • Water liberated to date: 12,300 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 7.

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