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Effect of Direct-Fed Microbial Supplementation on Pathogenic Escherichia coli Fecal Shedding, Live Performance, and Carcass Characteristics in Feedlot Steers
Three experiments were conducted to evaluate direct-fed microbial (DFM) supplementation on live performance, carcass characteristics, and fecal shedding of E. coli in feedlot steers. In Exp. 1, 400 steers (BW = 348 kg) ...