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Full-Text Articles in Agriculture
Protein Supplementation Of Ammoniated Roughages. Ii. Wheat Straw Supplemented With Alfalfa, Blood Meal Or Soybean Meal Fed To Wintering Steers, M. L. Nelson, Ivan G. Rush, T. J. Klopfenstein
Protein Supplementation Of Ammoniated Roughages. Ii. Wheat Straw Supplemented With Alfalfa, Blood Meal Or Soybean Meal Fed To Wintering Steers, M. L. Nelson, Ivan G. Rush, T. J. Klopfenstein
Panhandle Research and Extension Center
Two winter steer growth trials were conducted to investigate responses of steer calves to ammoniation of wheat straw, level of alfalfa haylage (50 or 66.7% of diet) and source of supplemental protein, soybean meal (SBM), blood meal (BM), or a blood meal-urea mixture (BM-U). In trial 1, the main effect of arnmoniation significantly increased average daily gain (ADG) from .15 to .24 kg/d, dry matter intake (DMI) from 4.86 to 5.29 kg/d and gain/feed from .029 to .044. The higher level of alfalfa haylage significantly increased DMI from 4.78 to 5.36 kg/d. Gain during a subsequent grazing period was unaffected …
Wheat Straw In Growing Cattle Diets, Gary Lesoing, Ivan G. Rush, Terry Klopfenstein, John Ward
Wheat Straw In Growing Cattle Diets, Gary Lesoing, Ivan G. Rush, Terry Klopfenstein, John Ward
Panhandle Research and Extension Center
Three cattle growth trials were conducted to evaluate the use of untreated and alkali-treated wheat straw as energy sources for ruminants. In trial 1, daily gain decreased as level of untreated wheat straw increased in the diet. A 14% decrease in gain occurred when the level of straw was increased from 30 to 40% of the diet. In trial 2, cattle fed 4% NaOH-treated wheat straw at the 30 or 60% level had better daily gains and feed efficieneies (Pvs. .54 kg/day). In addition, in this trial, cattle fed 50% treated wheat straw gained faster (Pvs. .62 kg/day).
Wheat Straw And Sodium Hydroxide Treatment In Beef Cow Rations, C. W. Acock, J. K. Ward, Ivan G. Rush, T. J. Klopfenstein
Wheat Straw And Sodium Hydroxide Treatment In Beef Cow Rations, C. W. Acock, J. K. Ward, Ivan G. Rush, T. J. Klopfenstein
Panhandle Research and Extension Center
Two cow drylot wintering trials and a lamb digestion trial were conducted to evaluate wheat straw in maintenance diets for gestating beef cows. Wheat straw or sodium hydroxide (NaOH) treated wheat straw, when fed ad libiturn with one-third alfalfa hay, supported gestating cow weight gains equivalent to a limitfed alfalfa-bromegrass diet. Cows fed NaOH treated wheat straw supplemented with soybean meal and minerals gained less weight (P<.01) than cows on the other treatments. Calf birth weights, calving difficulty and subsequent reproductive performance of the cows were similar for all treatments. Apparent digestibility of wheat straw was increased (P<.01) by 4% NaOH treatment in a lamb digestion trial but was not altered by balancing the sodium intake with other specific minerals. The increase in digestibility of wheat straw due to NaOH treatment was greater in vitro than in vivo.