| Effects of zilpaterol hydrochloride on retail yields of subprimals from beef and calf-fed Holstein steers. | |
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MedLine Citation:
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PMID: 21478448 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Retail cutting tests were conducted on subprimals from cattle fed zilpaterol hydrochloride (ZH) to determine if the improved carcass composition and red meat yield, resulting from ZH feeding, translates into increased retail yields of ready-to-cook products. As part of a three-phase study, selection of carcasses from Holstein steers was conducted once (Fall 2008), followed by the collection of carcasses from beef-type steers on two separate occasions (beef study I: Summer 2009 and beef study II: Spring 2010). Each of the three groups of steers was assigned previously to one of two treatments, treated (fed ZH for 20 d) or control (not fed ZH). All steers were harvested and fabricated in commercial beef processing establishments. Only those carcasses grading USDA Choice or higher were utilized. Five subprimals were utilized for both the calf-fed Holstein study (n = 546 subprimals) and beef study I (n = 576 subprimals): beef chuck, chuck roll; beef chuck, shoulder clod; beef round, sirloin tip (knuckle), peeled; beef round, top round; and beef round, outside round (flat). Seven subprimals were used in Beef study II (n = 138 subprimals): beef chuck, chuck roll; beef round, sirloin tip (knuckle), peeled; beef round, top round; beef round, eye of round; beef loin, strip loin, boneless; beef loin, top sirloin butt, boneless; and beef loin, tenderloin. A simulated retail market environment was created, and three retail meat merchandisers prepared retail cuts from each subprimal so saleable yields and processing times could be obtained. Differences in saleable yields were found for the calf-fed Holstein steer chuck rolls (96.54% for ZH vs. 95.71% for control; P = 0.0045) and calf-fed Holstein steer top rounds (91.30% for ZH vs. 90.18% for control; P = 0.0469). However, other than heavier subprimals and increased number of retail cuts obtained, total saleable yields measured on a percentage basis and processing times were mostly unaffected by ZH. Cutability advantages of feeding ZH are achieved primarily in the carcass-to-subprimal conversion rather than the subprimal-to-retail conversion. |
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Authors:
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A N Haneklaus; J M Hodgen; R J Delmore; T E Lawrence; D A Yates; D M Allen; D B Griffin; J W Savell |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-8 |
Journal Detail:
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Title: Journal of animal science Volume: - ISSN: 1525-3163 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8003002 Medline TA: J Anim Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Animal Science, Texas A&M University, College Station 77843-2471. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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