Hoof-proof, ey?

[issaferret]

I find myself forced to reconsider my previous position on sheep - that they are so stupid that the constant look on their face is the confusion caused by forgetting what you were just thinking about (recursively)...

http://news.bbc.co.uk/1/hi/uk/3938591.stm

Comments

[ragnarok-now.livejournal.com]

If it's the type of thing found on most ranches then it is not really a grid per-se. It is a series of horizontal metal bars laid on the ground above what is basically a shallow pit. The bars are about 2 inches apart. So a human or car can walk over them, but a skinny hoof will slip and fall in between.
So essentially a rolling sheep significantly increases it's 'footprint' and can pass over the hoof-trap. It certainly isn't something I would have ever thought of.