Rongsheng Qiu Qiu, R., Croom, J., Ali, R. A., Ballou, A. L., Smith, C. D., Ashwell, C. M., … Koci, M. D. (2012). Direct fed microbial supplementation repartitions host energy to the immune system. JOURNAL OF ANIMAL SCIENCE, 90(8), 2639–2651. https://doi.org/10.2527/jas.2011-4611 Chichlowski, M., Croom, W. J., Edens, F. W., McBride, B. W., Qiu, R., Chiang, C. C., … Koci, M. D. (2007). Microarchitecture and spatial relationship between bacteria and ileal, cecal, and colonic epithelium in chicks fed a direct-fed microbial, PrimaLac, and salinomycin. POULTRY SCIENCE, 86(6), 1121–1132. https://doi.org/10.1093/ps/86.6.1121