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Effect Of Increasing Levels Of Corn Bran On Milk Yield And Composition, B. N. Janicek, Paul J. Kononoff, A. M. Gehman, K. Karges, M. L. Gibson
Effect Of Increasing Levels Of Corn Bran On Milk Yield And Composition, B. N. Janicek, Paul J. Kononoff, A. M. Gehman, K. Karges, M. L. Gibson
Department of Animal Science: Faculty Publications
Thirty-nine lactating Holstein cows (23 multiparous and 16 primiparous) were randomly assigned to 1 of 3 dietary treatments in a crossover design. Dietary treatments differed by the proportion of corn bran [10, 17.5, and 25% dry matter (DM); designated as low, medium, and high] replacing corn silage and alfalfa. The corn bran coproduct contained 8.2% moisture and 12.9% crude protein, 30.4% neutral detergent fiber (NDF), and 45.0% nonfiber carbohydrate, 9.9% ether extract, and 0.70% P (DM basis). The low treatment consisted of 15.8% NDF from forage (fNDF) and 33.1% total NDF; the medium treatment consisted of 12.9% fNDF and 32.5% …