When calves at Kent Albers’ feedlot look up from the feed bunker, their ringed mouths look like a “Got Milk?” ad, only in this case, it’d be, “Got Distillers Grain?” It’s no exaggeration, the humorous way the distinct color of the grain makes a full golden circle around their mouths. It’s lip smacking good stuff, full of the flavor of baked corn and more than 20 percent protein, and cattle just about eat the feed bunker along with the feed in it. Eat is what producers want their animals to do in winter when they need extra calories to maintain...