Protein supplementation of ammoniated wheat straw: effect on performance of beef cows

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dc.contributor.author Fike, G.D.
dc.contributor.author Simms, D.D.
dc.contributor.author Brandt, Robert T., Jr.
dc.contributor.author Cochran, R.C.
dc.contributor.author Vanzant, E.S.
dc.contributor.author Kuhl, Gerry L.
dc.date.accessioned 2010-10-05T20:11:02Z
dc.date.available 2010-10-05T20:11:02Z
dc.date.issued 2010-10-05T20:11:02Z
dc.identifier.uri http://hdl.handle.net/2097/6295
dc.description.abstract Mature, crossbred beef cows (n = 87 in 1990-91, n = 84 in 1991-1992) were used to determine the effects of protein supplementation to cows fed ammoniated wheat straw during late gestation. Treatments included: 1) Control (C) - no supplement, 2) Low Protein (LP) - 4.5 lb of a 10% crude protein (CP) supplement, 3) Medium Protein (MP) - 4.5 lb of a 20% CP supplement, and 4) High Protein (HP) - 4.5 lb of a 30% CP supplement. Supplementation increased weight gain over controls (P<.01). HP cows gained more (P=.05) weight than LP-supplemented cows and tended (P=.11) to gain more weight than MP-supplemented cows. Supplementation also increased body condition score (BCS, 1-9 scale) over control cows (P<.01), but no difference was noted among supplemented groups. From the end of the feeding period until weaning, cows previously supplemented lost more weight (P<.01) than controls and exhibited little change in BCS, whereas controls increased BCS by .5 during the same period. Calving dates, calf birth weights, calf weaning weights, calf average daily gain, percent of cows cycling prior to breeding, and percent of cows pregnant did not differ between treatments. Consequently, although additional protein increased weight gain prior to parturition, this response did not impact economically important traits. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Cattlemen’s Day, 1993 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 93-318-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 678 en_US
dc.subject Beef en_US
dc.subject Ammoniation en_US
dc.subject Wheat straw en_US
dc.subject Protein supplementation en_US
dc.subject Beef cows en_US
dc.title Protein supplementation of ammoniated wheat straw: effect on performance of beef cows en_US
dc.type Conference paper en_US
dc.date.published 1993 en_US
dc.citation.epage 116 en_US
dc.citation.spage 114 en_US
dc.description.conference Cattlemen's Day, 1993, Kansas State University, Manhattan, KS, March 5, 1993 en_US


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