The seasonal variability of distillers grains, a byproduct of ethanol production, has been one drawback of using it in a cattle finishing ration. New research from the University of Nebraska — Lincoln is indicating that may not be the drawback the industry thinks it is. Feeders and researchers have assumed disruptions in the supply of distillers’ grains would affect the performance of feeder cattle accustomed to the feed source. An ongoing study at…