K. A. Miller, C. L. Van Bibber-Krueger, L. C. Hollis, and J. S. Drouillard, “Megasphaera elsdenii dosed orally at processing to reduce BRD and improve gain in high-risk calves during the receiving period”, Bov. pract., vol. 47, no. 2, pp. 137–145, Jun. 2013.