The incident began on August 1. Gather stats through August 6:
- Target: Horses and burros
- Type: Planned
- Method: Helicopter
- Category: Cruel and costly
- Horses captured: None
- Burros captured: 693, up from 378 on Day 3
- Average daily take: 0.0 horses, 115.5 burros
- Capture goal: 200 horses, 800 burros
- Removal goal: 200 horses, 800 burros
- Horses returned: None
- Burros returned: None
- Horse deaths: None
- Burro deaths: 6, up from 4 on Day 3
- Horses shipped: None
- Burros shipped: 438, up from 108 on Day 3
The figures above are based on the daily reports.
No animals were gathered on Day 6.
Two jacks were put down on Day 5 due to pre-existing conditions.
The burro death rate is 0.9%.
The burro total includes 279 jacks, 358 jennies and 56 foals.
Youngsters represented 8.1% of the burros captured.
Of the adults, 43.8% were male and 56.2% were female.
The herd can’t be growing at a rate of 20% per year with a birth rate of 8% per year.
A better estimate would be 3% per year, assuming a death rate of 5% per year.
The observed percentages of jacks and jennies cannot be attributed to a simple random process centered at 50% males / 50% females.
Body condition scores were not given.
The location of the trap was not disclosed.
The five HMAs in the Complex are subject to permitted grazing.
Day 6 ended with no unaccounted-for horses and 249 unaccounted-for burros.
- AML: 553 horses and 90 burros, equivalent to 598 horses
- Forage assigned to horses and burros: 7,176 AUMs per year
- Pre-gather population: 1,695 horses and 1,327 burros, equivalent to 2,359 horses
- Forage liberated to date: 4,158 AUMs per year
- Water liberated to date: 3,465 gallons per day
- Forage assigned to livestock: 9,631 AUMs per year (estimated)
- Animals displaced from Complex by permitted grazing: 802 horses
- True AML: 1,355 horses and 90 burros, equivalent to 1,400 horses
- Stocking rate at new AML: 1.2 horses per thousand acres
- Horses displaced from Complex by drilling and mining: Ask the advocates
RELATED: Blue Wing Roundup, Day 3.