Croom, J. (2009) “The Effects of Direct-fed Microbial, Primalac®, or Salinomycin Supplementation on Intestinal Lactate Isomers and Cecal Volatile Fatty Acid Concentrations in Broilers1”, International Journal of Poultry Science, 8(2), pp. 128–132. doi:10.3923/ijps.2009.128.132.