A BLM Natural Resource Specialist told the county Public Lands Council on Tuesday that the horses are very astute and the sound of loading the dart can make them run, according to a report by ETV News.
The agent said the drug can be effective for five years, suggesting that they are using GonaCon Equine.
The story did not indicate if any advocates had offered to help with the field work.
The Sinbad and Muddy Creek HMAs are in Emery County and both are 100% subject to permitted grazing, as shown on the Western Watersheds map.
Western Horse Watchers Association 