Not alot, mine was one , Jim Walker was the only one I saw where a grip was the only way he would of completed the course but I did not watch all the runs .
I participated a number of years ago and it seemed that if my dog passed anywhere near the sheep he was dq'd. Interestingly enough .... he was not a black and white dog .. and not a BC. Hmmmmm I wonder .... no I know what it was