Paul J. Defoor

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In Exp. 1, 240 beef steers (initial BW = 332.8 kg) were used to determine the effects of Lactobacillus acidophilus (LA) plus Propionibacterium freudenreichii (PF) on performance, carcass, and(More)
Direct-fed microbials, particularly strains of Lactobacillus acidophilus, are used extensively by the cattle feeding industry; however, effects on cattle performance have often been equivocal, and(More)
Two experiments were conducted to evaluate the effects of Cu and Zn source on performance, morbidity, and humoral immune response in lightweight, newly received beef heifers. A 2 x 2 factorial(More)