Graphic outline of a cow showing a red tube going into the rumen to a yellow ball with two black tubes coming out the bottom. The ball and tubes are floating in a blue liquid. Four text boxes are listed to the right of the graphic. From top to bottom they read: Isolate rumen, Remove digesta and rinse, Add solution with known quantity of SCFAs and Measure disappearance of SCFAs from solution.

A closer look at monensin inclusion levels in feedlot diets