About this episode

This episode discusses the implementation and considerations of virtual fencing in dairy cattle grazing.

Virtual fencing is gaining attention in livestock production, and this episode breaks down what dairy producers need to know before trying it. Brad explains how virtual fencing uses GPS-enabled collars or ear tags, audio cues, and electrical cues to manage grazing animals within digital boundaries. He also shares lessons from training heifers with virtual fence collars, including the adjustment period, the importance of using a physical fence during training, and how animals typically learn the system within about a week. The episode also compares several virtual fencing systems available to U.S. producers, including Vence, Gallagher, Halter, and Nofence. Brad walks through major considerations such as collar weight, cellular versus base station connectivity, battery life, subscription fees, and upfront costs. He also discusses how virtual fencing may compare financially with traditional physical fencing and why more research is needed to understand its fit in dairy grazing systems. Brad also previews upcoming virtual fencing work at the University of Minnesota West Central Research and Outreach Center, where multiple systems will be tested with dairy cattle to better understand…

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