Multiple choice Which of the following is not a concentrate? Corn Silage Cotton Seed Meal Rolled Oats Whole Barley Reveal answer Fill a bubble to check yourself A Correct answer Explanation Corn silage consists of the entire chopped and fermented corn plant, classifying it primarily as a high-moisture forage or roughage. Cottonseed meal, rolled oats, and whole barley are highly concentrated sources of protein or energy.