The incident began on November 8. Results through November 18:
- Scope: Clan Alpine HMA
- Purpose: Pest control, resource enforcement, rancher protection
- Target: Horses
- Type: Planned
- Method: Helicopter
- Category: Cruel and costly*
- Better way: Sterilize mares with pesticide-laced darts*
- Captured: 1,010, up from 832 on Day 9
- Average daily take: 91.8
- Capture goal: 1,594
- Removal goal: 1,381
- Returned: 1, no change from Day 9
- Deaths: 13, up from 12 on Day 9
- Shipped: 802, up from 590 on Day 9
A mare was dispatched on Day 11 for a prolapsed uterus.
The death rate is 1.3%.
The capture total includes 411 stallions, 470 mares and 129 foals.
Youngsters represented 12.8% of the animals gathered, suggesting the herd is growing at a rate of 8% per year.
Of the adults, 46.7% were male and 53.3% were female.
Body condition scores were not given.
The HMA and surrounding lands are subject to permitted grazing.
*According to advocates.
Day 11 ended with 194 unaccounted-for animals.
To date, 81 mares have been treated with GonaCon Equine, a fertility control pesticide.
They will be returned the range with up to 121 stallions.
Other statistics:
- Forage liberated to date: 12,108 AUMs per year
- Water liberated to date: 10,090 gallons per day
- Horses allowed by plan: 979
- Pre-gather population: 1,661 plus this year’s foals
- Forage assigned to horses: 11,748 AUMs per year
- Forage assigned to livestock: 6,796 AUMs per year
- Horses displaced from HMA by permitted grazing: 566
- True AML: 1,545
- Stocking rate at new AML: 5.2 wild horses per thousand public acres
- Horses displaced by drilling and mining: Ask the advocates
RELATED: Clan Alpine Roundup, Day 9.

