Distributions of phyla. A. The distribution of major phyla (≥ 99.5% abundance) based on bacterial counts among 20 beef cattle feed five diets. B. Distribution of the most abundant phyla averaged across the dietary treatments. CON = Control, 10 C = 10% Corn, 5S = 5% Sorghum, 10S = 10% Sorghum, 15S = 15% Sorghum.