 One of the ways that you can do that we used to do when I worked in a previous life and worked some with some beef feedlots is we take or we're feeding like rumensin in a real condensed package, pretty high levels. And so we would throw, we'd usually use jelly beans, the colorful jelly beans that would go in along right in with the additive that we wanted to add. And then we'd look at how well that was distributed along the bunk line and see if it was reasonably well distributed.