By avoiding the use of physical fences, many opportunities are opened up, says ethologist and researcher Per Peetz Nielsen, who works for the research institute Rise, which is behind the tests.
- It can be very difficult to fence in rocky areas or forest.
With this, we will be able to increase animal production and increase grazing use in Sweden, he says.
Being without a fence on Gotland is one thing, but how would it work in areas with larger predators that can then more easily access the animals?
Hear Per Peetz Nielsen tell more about this in the clip above.