The incident began on July 17. Gather stats through July 29:
- Target: Horses
- Type: Planned
- Method: Helicopter
- Category: Cruel and costly
- Captured: 515, up from 439 on Day 11
- Average daily take: 39.6
- Capture goal: 1,900
- Removal goal: 1,800
- Returned: None, no change from Day 11
- Deaths: 13, up from 10 on Day 11
- Shipped: 473, up from 355 on Day 11
Helicopters did not fly on Day 13.
A stallion and mare were put down on Day 12 due to marginal BCS. A mare was put down on Day 13 due to club feet. They survived the chase and would be alive today if there was no roundup. The death rate is 2.5%.
The capture total includes 194 stallions, 234 mares and 87 foals.
Youngsters represented 16.9% of the animals captured. Of the adults, 45.3% were male and 54.7% 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 5% death rate.
Body condition scores were not given.
The location of the trap site was not disclosed.
The Complex and surrounding lands are subject to permitted grazing.
Day 13 ended with 29 unaccounted-for animals.
Mares treated with fertility control may be returned to the area at a later date.
- Horses allowed by plan (AML): 821
- Forage assigned to horses: 9,852 AUMs per year
- Pre-gather population: 3,475
- Forage liberated to date: 6,180 AUMs per year
- Water liberated to date: 5,150 gallons per day
- Forage assigned to livestock: 49,188 AUMs per year (estimated)
- Horses displaced from Complex by permitted grazing: 4,099
- True AML: 4,911
- Stocking rate at new AML: 3.0 horses per thousand acres
- Horses displaced from Complex by drilling and mining: Ask the advocates
RELATED: Triple B Roundup, Day 11.