So this summer was the absolute worst summer for bot flies that I have ever seen. I ended up giving up on getting the eggs out, because when I tried there would be two or three of those dang things buzzing around their legs. Now that summer is done I have started trying to get the eggs off. I only have a bot knife, because I can not find a bot block and it seems to be harder. Any one have a trick to getting them off or where to find a bot block. I've tried tractor supply and Atwoods.