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Controlling Within-Field Sheep Movement Using Virtual Fencing.

Danila Marini1, Rick Llewellyn2, Sue Belson3

  • 1School of Environmental and Rural Science, University of New England, Armidale, NSW 2350, Australia. dmarini2@une.edu.au.

Animals : an Open Access Journal From MDPI
|March 3, 2018
PubMed
Summary
This summary is machine-generated.

Virtual fencing effectively guided sheep using audio cues and mild stimuli, demonstrating its potential for livestock management. Sheep learned to associate the audio cue with the virtual fence, not its physical location.

Keywords:
GPS trackinganimal managementassociative learningvirtual fencing

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Area of Science:

  • Agricultural Science
  • Animal Behavior
  • Livestock Management

Background:

  • Virtual fencing offers potential benefits for livestock management, including improved grazing efficiency and land utilization.
  • However, research on virtual fencing's efficacy with sheep is limited.

Purpose of the Study:

  • To evaluate the effectiveness of virtual fencing for sheep using commercial dog training equipment.
  • To assess sheep's learning and behavioral response to virtual fence cues.

Main Methods:

  • Six Merino wethers, naive to virtual fencing, were trained within an 80x20m paddock.
  • A virtual fence was implemented using a GPS hand-held unit and collars, delivering audio cues and electrical stimuli.
  • Sheep behavior and response to the virtual fence were monitored via GPS tracking.

Main Results:

  • The virtual fence successfully prevented sheep from entering the designated exclusion zone.
  • The probability of sheep receiving a stimulus after an audio cue was low (19%) and decreased over time.
  • Sheep learned to associate the audio cue with the virtual fence within three days, responding to audio alone.
  • After virtual fence removal, sheep crossed the former fence location within 30 minutes, indicating association with the cue, not the physical boundary.

Conclusions:

  • Virtual fencing, using commercially available equipment, is effective in managing sheep movement.
  • Sheep quickly learn to associate audio cues with virtual fences, demonstrating adaptability to this technology.
  • This study supports the potential of virtual fencing as a valuable tool for precision grazing management in sheep farming.