The side fences serve to different purposes.
Firstly they prevent stock from bye passing the grid and breaking through the fence/hedge or walking along the edge of the pit
Secondly they prevent animals from blundering into the pit from the side
The most extensive cattle grid guide on the web
The side fences serve to different purposes.
Firstly they prevent stock from bye passing the grid and breaking through the fence/hedge or walking along the edge of the pit
Secondly they prevent animals from blundering into the pit from the side