Effects of extended Zilpaterol-HCl withdrawal on performance and carcass traits of finishing beef heifers

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dc.contributor.author Parsons, G.L.
dc.contributor.author Depenbusch, Brandon E.
dc.contributor.author Reinhardt, Christopher D.
dc.contributor.author Yates, D.A.
dc.contributor.author Hutcheson, J.P.
dc.contributor.author Drouillard, James S.
dc.date.accessioned 2011-03-30T16:47:55Z
dc.date.available 2011-03-30T16:47:55Z
dc.date.issued 2011-03-30
dc.identifier.uri http://hdl.handle.net/2097/8125
dc.description.abstract Zilpaterol-HCl (Zilmax; Intervet/Schering-Plough Animal Health, Millsboro; DE) is an orally active β2-adrenergic agonist that is approved for use in feedlot cattle at the rate of 7.56 g/ton of diet dry matter for the final 20 to 40 days on feed. The minimum withdrawal time for Zilmax is 3 days. Zilmax increases hot carcass weight and dressing percentage, primarily as a result of increasing lean muscle mass and decreasing body fat. Zilmax also decreases marbling and increases shear-force values (i.e., less tender) of steaks. This study was conducted to determine whether the benefits of Zilmax would be retained with longer withdrawal times while overcoming undesirable effects on shear force and marbling. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Cattlemen’s Day, 2010 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 10-170-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 1029 en_US
dc.relation.isPartOf Beef Cattle Research, 2010 is known as Cattlemen’s Day, 2010 en_US
dc.subject Beef en_US
dc.subject Zilpaterol-HCl en_US
dc.subject Performance en_US
dc.subject Carcass traits en_US
dc.subject Heifers en_US
dc.title Effects of extended Zilpaterol-HCl withdrawal on performance and carcass traits of finishing beef heifers en_US
dc.type Conference paper en_US
dc.date.published 2010 en_US
dc.citation.epage 73 en_US
dc.citation.spage 69 en_US
dc.description.conference Cattlemen's Day, 2010, Kansas State University, Manhattan, KS, March 5, 2010 en_US
dc.contributor.authoreid gparsons en_US
dc.contributor.authoreid bdepenbu en_US
dc.contributor.authoreid cdr3 en_US
dc.contributor.authoreid jdrouill en_US


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