Evaluation of Ralgro® on pasture and subsequent feedlot performance and carcass merit of mexican crossbred steers

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dc.contributor.author Paisley, S.I.
dc.contributor.author Kuhl, Gerry L.
dc.contributor.author Higgins, James J.
dc.contributor.author Huck, G.L.
dc.contributor.author Farran, T.B.
dc.contributor.author Sindt, J.J.
dc.contributor.author Montgomery, Sean P.
dc.contributor.author Birkelo, C.
dc.contributor.author Blasi, Dale A.
dc.contributor.author Dikeman, Michael E.
dc.contributor.author Holder, Michael S.
dc.contributor.author Kehler, David E.
dc.date.accessioned 2010-08-06T21:07:21Z
dc.date.available 2010-08-06T21:07:21Z
dc.date.issued 2010-08-06T21:07:21Z
dc.identifier.uri http://hdl.handle.net/2097/4556
dc.description.abstract A pasture/feedlot field study was conducted to evaluate the effects of a single Ralgro® implant during the stocker phase on steer grazing performance and subsequent feedlot performance and carcass merit. A total of 2,764 steers of Mexican origin averaging 449 lb were assembled in Texas and shipped to Kansas, where they grazed on three intensively-early-stocked Flint Hills pastures. At initial processing, the steers were individually weighed and randomly assigned to either a non-implanted control group or a Ralgro implant group. Ralgro steers gained more (23 lb; P<0.01) than controls during the 82- to 93-day grazing phase. Following the grazing phase, all steers were shipped to a commercial feedlot in southwestern Kansas where steers from each pasture were individually weighed and given a single Component E-S® implant. Immediately after processing, steers from each pasture were sorted into either a light- or heavy-weight pen, regardless of pasture implant treatment, resulting in six feedlot pens. Days on feed ranged from 127 to 197. Control steers gained faster (P<0.01) during the feedlot phase; however, Ralgro steers had higher cumulative weight gains across the combined pasture and feedlot phases (P<0.01) and averaged three fewer days on feed (P<0.05). There were no significant differences for marbling, fat thickness, ribeye area, KPH fat, or yield grade. Ralgro steers had lower (P<0.05) quality grades because of a higher incidence (P<0.001) of steers with B and C carcass maturities. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Cattlemen’s Day, 2001 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 01-318-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 873 en_US
dc.subject Beef en_US
dc.subject Growth implant en_US
dc.subject Ralgro en_US
dc.subject Steers en_US
dc.subject Pasture en_US
dc.subject Feedlot en_US
dc.subject Carcass traits en_US
dc.title Evaluation of Ralgro® on pasture and subsequent feedlot performance and carcass merit of mexican crossbred steers en_US
dc.type Conference paper en_US
dc.date.published 2001 en_US
dc.citation.epage 28 en_US
dc.citation.spage 26 en_US
dc.description.conference Cattlemen's Day, 2001, Kansas State University, Manhattan, KS, March 2, 2001 en_US
dc.contributor.authoreid dblasi en_US
dc.contributor.authoreid mdikeman en_US
dc.contributor.authoreid jhiggins en_US
dc.contributor.authoreid mholder en_US
dc.contributor.authoreid dkehler en_US

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