Results 1 to 10 of about 40 (34)

The Effectiveness of Virtual Fencing of Bull Calves in a Holistic Grazing System [PDF]

Animals, 2023
Large grazers are essential for nature conservation. In order to prevent grazers from moving to unintended areas, it may be necessary to keep them inside enclosures. Physical fences present a number of problems, such as fragmenting the landscape. Virtual
Søren Krabbe Staahltoft, Magnus Fjord Aaser, Jakob Nødgaard Strange Jensen, Ismat Zadran, Emil Birkmose Sørensen, Anders Esbjerg Nielsen, Aage Kristian Olsen Alstrup, Dan Bruhn, Anne Cathrine Linder, Christian Sonne, John Frikke, Cino Pertoldi   +11 more
doaj   +2 more sources

Cortisol in Manure from Cattle Enclosed with Nofence Virtual Fencing [PDF]

Animals, 2022
To increase the efficiency and geographic expansion of nature conservation, large grazers have recently been used, either in the form of wild hoof-bearing animals or as domesticated ruminants including cattle.
Christian Sonne, Aage Kristian Olsen Alstrup, Cino Pertoldi, John Frikke, Anne Cathrine Linder, Bjarne Styrishave   +5 more
doaj   +2 more sources

Is Virtual Fencing an Effective Way of Enclosing Cattle? Personality, Herd Behaviour and Welfare [PDF]

Animals, 2022
In modern nature conservation and rewilding there is a need for controlling the movements of large grazers in extensively managed areas. The inflexibility of physical fencing can be a limitation in nature management, and the physical boundaries created ...
Magnus Fjord Aaser, Søren Krabbe Staahltoft, Andreas Hein Korsgaard, Adam Trige-Esbensen, Aage Kristian Olsen Alstrup, Christian Sonne, Cino Pertoldi, Dan Bruhn, John Frikke, Anne Cathrine Linder   +9 more
doaj   +2 more sources

Spatial Distribution and Hierarchical Behaviour of Cattle Using a Virtual Fence System [PDF]

Animals
Interest in virtual fencing has increased due to its flexibility for agriculture and rewilding. However, systems like Nofence© require large financial investments, and the need for individual collars complicates large-scale use.
Silje Marquardsen Lund, Johanne Holm Jacobsen, Maria Gytkjær Nielsen, Marie Ribergaard Friis, Natalie Hvid Nielsen, Nina Østerhaab Mortensen, Regitze Cushion Skibsted, Magnus Fjord Aaser, Søren Krabbe Staahltoft, Dan Bruhn, Christian Sonne, Aage Kristian Olsen Alstrup, John Frikke, Cino Pertoldi   +13 more
doaj   +2 more sources

Effects of Social Facilitation and Introduction Methods for Cattle on Virtual Fence Adaptation [PDF]

Animals
Agricultural industries rely on physical fences to manage livestock. However, these present practical, financial, and ecological challenges, which may be solved using virtual fencing.
Pernille Arent Simonsen, Niels Søborg Husted, Magnus Clausen, Amalie-Maria Spens, Rasmus Majland Dyrholm, Ida Fabricius Thaysen, Magnus Fjord Aaser, Søren Krabbe Staahltoft, Dan Bruhn, Aage Kristian Olsen Alstrup, Christian Sonne, Cino Pertoldi   +11 more
doaj   +2 more sources

Using Activity Measures and GNSS Data from a Virtual Fencing System to Assess Habitat Preference and Habitat Utilisation Patterns in Cattle [PDF]

Animals
There has been an increased focus on new technologies to monitor habitat use and behaviour of cattle to develop a more sustainable livestock grazing system without compromising animal welfare.
Magnus Fjord Aaser, Søren Krabbe Staahltoft, Martin Andersen, Aage Kristian Olsen Alstrup, Christian Sonne, Dan Bruhn, John Frikke, Cino Pertoldi   +7 more
doaj   +2 more sources

Virtual fencing in remote boreal forests: performance of commercially available GPS collars for free-ranging cattle

Animal Biotelemetry
Background The use of virtual fencing in cattle farming is beneficial due to its flexibility, not fragmenting the landscape or restricting access like physical fences.
Erik Versluijs, Morten Tofastrud, Anna Hessle, Robert Serrouya, Derek Scasta, Petter Wabakken, Barbara Zimmermann   +6 more
doaj   +1 more source

Stakeholder Challenges and Opportunities of GPS Shock Collars to Achieve Optimum Welfare in a Conservation or Farm Setting. [PDF]

Animals (Basel), 2023
McCormick IA, Stokes JE.
europepmc   +1 more source

Precision technologies to improve dairy grazing systems. [PDF]

JDS Commun, 2023
Heins BJ, Pereira GM, Sharpe KT.
europepmc   +1 more source

Automated Virtual Fencing Can Effectively Contain Sheep: Field Trials and Prospects. [PDF]

Animals (Basel), 2023
Campbell DLM, Belson S, Lea JM, Ouzman J, Lee C, Kalinowski T, Mowat D, Llewellyn RS.   +7 more
europepmc   +1 more source