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OSMP pilots virtual‑fencing collars and towers to track and manage grazing; early data used to map cattle use
Summary
Open Space staff described a pilot of virtual fencing technology (Vence and a second system, Halter) that uses GPS collars and base stations to manage livestock and capture location data; staff reported early adoption challenges, cost details, and potential uses for fuels mitigation and grazing planning.
Open Space and Mountain Parks staff described a pilot program using virtual fencing technology to manage livestock across OSMP grazing leases and to collect high‑resolution livestock-location data.
Andy Pellster, Ag and Water Stewardship Senior Manager, told trustees OSMP purchased two Vence base stations and roughly 300 collars with grant funding to pilot the system this season. The Vence towers are mobile trailer-mounted units designed to provide line‑of‑sight coverage; staff said one tower typically costs about $12,000. Vence collars carry a one‑time purchase fee of about $100 and have an annual…
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