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Effect of Direct-Fed Microbial Supplementation on Pathogenic Escherichia coli Fecal Shedding, Live Performance, and Carcass Characteristics in Feedlot Steers

Thompson, Alex; Calle, M. Alexandra; Ribeiro, Flavio R.B.; Pond, Ansen R.; Kreikemeier, Wanda M.; McDonald, Allen; Johnson, Edward G.; Edmonds, Matthew D.; Loneragan, Guy H.; Brashears, Mindy M.; Johnson, Bradley J. (2020)

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) ...