The incident began on October 7. Gather stats through December 3:
- Type: Planned
- Method: Helicopter
- Horses captured: 2,940, up from 2,727 on Day 56
- Average daily take: 50.7
- Capture goal: 4,400
- Removal goal: 3,500
- Returned: 46, no change from Day 56
- Deaths: 15, no change from Day 56
- Shipped: 2,708, up from 2,495 on Day 56
The death rate is 0.5%.
The cumulative total includes 1,149 stallions, 1,193 mares and 598 foals. The gather page shows 1,319 stallions.
1,319 + 1,193 + 598 = 3,110
Foals represented 20.3% of the horses captured. Of the adults, 49.1% were male and 50.9% 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.
Day 58 ended with 171 unaccounted-for animals. The total number of horses removed is 2,940 – 46 = 2,894, 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: 34,728 AUMs per year
- Water liberated to date: 28,940 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 56.

