One of my BWF cows had a calf bout 11:00 AM Sat. Everything looked OK, saw the calf up nursin 30-45 mins later, I when back at 4:00 PM to tag, calf was standin up, put a tag in ear, calf walked bout 10 feet, layed down, started that GOD awful bawl that every cow in the field comes runnin to...