and J. M. Tricarico2, 1Est. El Encuentro, Research and Extension in Ruminant Nutrition, Cnel. Brandsen, Argentina, 2Alltech Inc., Nicholasville, KY.
Effect of alfalfa silage storage structure and roasting corn on production and ruminal metabolism of lactating dairy cows. S. J. Krizsan*1, G. A. Broderick2, R. E. Muck2, C. Promkot3, S. Colombini4, and Å. T. Randby1, 1Norwegian University of Life Sciences, Ås, Norway, 2US Dairy Forage Research Center, Madison, WI, 3Khon Kaen University, Khon Kaen, Thailand, 4University of Milano, Milano, Italy.
Changes in fermentation end products and the use of real-time quantitative PCR to monitor the dynamics of Lactobacillus buchneri in alfalfa silage. R. J. Schmidt*, J. A. Mills, W. Hu, C. M. Klingerman, E. E. McDonell, and L. Kung Jr., University of Delaware, Newark.
Effect of feeding corn silage based diets deficient in either predicted ruminal nitrogen or metabolizable protein on nitrogen utilization and efficiency. E. B. Recktenwald*, D. A. Ross, and M. E. Van Amburgh, Cornell University, Ithaca, NY.
Effects of cutting height and bacterial inoculation on fermentation, nutritive quality and degradability of two corn hybrids. L. O. Abdelhadi*1 and J. M. Tricarico2, 1Est. El Encuentro, Research & Extension in Ruminant Nutrition, Cnel. Brandsen, Argentina, 2Alltech Inc., Nicholasville, KY.
Continuous culture fermentation of a corn silage-based total mixed ration with additional forage from pasture. R. E. Vibart*, V. Fellner, and S. J. McLeod, North Carolina State University, Raleigh.
Partial mixed rations (PMR) as alternative feeding systems for lactating dairy cows in southeastern U.S. R. E. Vibart*, V. Fellner, J. C. Burns, G. B. Huntington, and J. T. Green, North Carolina State University, Raleigh.
Variability in total mixed ration neutral-detergent fiber analysis among commercial laboratories. A. N. Hristov*1, S. Zaman1, M. Vander Pol1, W. J. Price1, and D. Mertens2, 1University of Idaho, Moscow, 2U.S. Dairy Forage Research Center, Madison, WI.
Nutritional quality of sugar cane treated with calcium oxide. A. W. P. Freitas*1, F. C. Rocha2, J. L. Fagundes1, and R. Fonseca2, 1APTA Regional, Adamantina, São Paulo, Brazil, 2Unesp - Dracena, Dracena, São Paulo, Brazil.
Effects of increasing level of corn distiller's dried grains plus solubles on in situ disappearance in steers offered medium-quality grass hay. J. L. Leupp*, G. P. Lardy, and J. S. Caton, North Dakota State University, Fargo.
Evaluation of corn and soybean co-products in beef cattle finishing diets. P. M. Walker*1, D. Adams1, and L. A. Forster2, 1Illinois State University, Normal, 2Archer Daniels Midland, Co., Decatur, IL.
Effects of dietary fat concentration and wet sorghum distiller′s grains plus solubles on feedlot performance and carcass characteristics of finishing heifers. J. C. Silva*1, N. A. Cole2, M. S. Brown1, D. L. Mitchell1, C. H. Ponce1, and D. R. Smith1, 1West Texas A&M, Canyon, USDA ARS CPRL, Bushland, TX.
Using high-lysine proteins to supplement diets based on dried distillers grains with solubles did not improve lactation performance. E. A. French*, M. He, and L. E. Armentano, University of Wisconsin, Madison.
Effect of feeding dry glycerin to early postpartum Holstein dairy cows on milk production and metabolic profiles. Y.-H. Chung*1, D. E. Rico1, A. Martinez1, K. S. Heyler1, C. M. Martinez1, T. W. Cassidy1, V. Noirot2, A. Ames3, and G. A. Varga1, 1Dairy and Animal Science, Pennsylvania State University, University Park, 2Phodé, Albi, France, 3NutriLinx, LLC, Montpelier, VT.
Variation over one year of nutrient content of wet brewers grains from a commercial brewery. J. E. Wohlt* and M. L. Westendorf, Rutgers University, New Brunswick, NJ.
The effect of feeding dried distillers grains plus solubles to lactating dairy cows on milk production and excretion of urinary purine derivatives. B. N. Janicek*1, P. J. Kononoff1, A. M. Gehman1, and P. H. Doane2, 1University of Nebraska, Lincoln, 2ADM Animal Nutrition Research, Decatur, IN.
Effects of Optigen® on fermentation, digestion, and N partitioning in rumen-simulating fermenters fed diets with distillers dried grains. G. A. Harrison*, J. M. Tricarico, M. D. Meyer, and K. A. Dawson, Alltech Biotechnology, Nicholasville, KY.
Performance of dairy cows fed glycerol as a primary feed ingredient. S. S. Donkin*1, M. R. Pallatin1, P. H. Doane2, M. J. Cecava2, H. M. White1, E. Barnes1, and S. L. Koser1, 1Purdue University, West Lafayette, IN, 2ADM Animal Nutrition Research, Decatur, IN.
Evaluation of protein fractionation and ruminal and intestinal digestibility of corn milling co-products. J. M. Kelzer*1, P. J. Kononoff1, K. Karges2, and M. L. Gibson2, 1University of Nebraska, Lincoln, 2Dakota Gold Research Association, Sioux Falls, SD.
Evaluation of ruminal fermentability of corn milling co-products using in vitro gas production. P. J. Kononoff*1, L. O. Tedeschi2, M. L. Chizzotti2, J. M. Kelzer1, K. Karges3, and M. L. Gibson3, 1University of Nebraska, Lincoln, 2Texas A & M University, College Station, 3Dakota Gold Research Association, Sioux Falls, SD.
Blood metabolites profiles of dairy cows fed wet corn distillers grains during early lactation. G. S. Mpapho*, A. R. Hippen, K. F. Kalscheur, and D. J. Schingoethe, South Dakota State University, Brookings.
Rumen fermentation with dried distillers grains versus soybean protein as a source of rumen undegraded protein for lactating dairy cows. B. W. Pamp*, K. K. Kalscheur, A. R. Hippen, and D. J. Schingoethe, South Dakota State University, Brookings.