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2004

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Kansas Agricultural Experiment Station Research Reports

2004; Kansas Agricultural Experiment Station contribution; no. 04-242-S; Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 923; Beef; Ammonia; Amino acid; Steers; Methionine; leucine

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Effects Of Ammonia Load On Amino Acid Utilization By Growing Steers, M.S. Awawdeh, K.C. Mccuistion, D.P. Gnad, Evan C. Titgemeyer Jan 2004

Effects Of Ammonia Load On Amino Acid Utilization By Growing Steers, M.S. Awawdeh, K.C. Mccuistion, D.P. Gnad, Evan C. Titgemeyer

Kansas Agricultural Experiment Station Research Reports

Ruminally cannulated steers were used in two experiments to study effects of rumen ammonia load on methionine and leucine utilization. All steers were limit-fed a diet based on soybean hulls, received ruminal infusions of volatile fatty acids and abomasal infusions of glucose to provide energy, and received an abomasal infusion containing a mixture of all essential amino acids except methionine in Exp. 1 or leucine in Exp. 2. Treatments were arranged as 3 x 2 factorials and included urea (0, 40, or 80 g/day) infused ruminally and methionine (2 or 5 g/day) infused abomasally in Exp. 1 and ...