Effects of implanting ram and wether lambs with zeranol at birth and weaning on palatabilty and muscle collagen characteristics
Thirty-five zeranol-implanted (I) and nonimplanted (NI) ram and wether lambs representing four treatments (implanted rams [IR], nonimplanted rams [NIR], implanted wethers [IW], and nonimplanted wethers [NIW]) were evaluated for meat palatability and muscle collagen characteristics. Rib (longissimus...
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| Veröffentlicht in: | Journal of animal science 1992, Vol.70 |
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| creator | Nold R.A Unruh J.A Hunt M.C Spaeth C.W |
| description | Thirty-five zeranol-implanted (I) and nonimplanted (NI) ram and wether lambs representing four treatments (implanted rams [IR], nonimplanted rams [NIR], implanted wethers [IW], and nonimplanted wethers [NIW]) were evaluated for meat palatability and muscle collagen characteristics. Rib (longissimus muscle, LM) chops from I lambs were juicier (P < 0.05) than rib chops from NI lambs. Chops from IR lambs had more (P < 0.05) detectable connective tissue and lower myofibrillar and overall tenderness scores than chops from NIR, IW, or NIW lambs. Warner-Bratzler shear (WBS) values tended to be higher (P = 0.06) for LM chops from rams than for those from wethers, but WBS values for Biceps femoris (BF) chops were similar (P > 0.05) for rams and wethers. Implanting did not affect (P > 0.05) WBS values. Rams had more (P < 0.05) LM heat-labile (soluble, SC), nonheat-labile (insoluble, IC), and total collagen (TC) and a higher (P < 0.05) percentage of SC (SC/TC) than did wethers. Soluble collagen, TC, and percentage of SC for the BF were higher (P < 0.05) and IC tended (P = 0.09) to be higher in chops from rams than in those from wethers. Implanting did not affect (P > 0.05) collagen amount or solubility. Serum nonprotein hydroxyproline (NPHP) was higher (P < 0.05) in rams than in wethers throughout the feeding period and tended (P = 0.05) to be higher at slaughter. Implanting did not affect (P > 0.05) serum NPHP. We concluded that rams synthesize and accumulate more LM muscle collagen and have higher WBS values than do wethers. However, the observed reduction in sensory panel tenderness was only for chops from implanted rams compared with chops from other treatment groups. |
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Rib (longissimus muscle, LM) chops from I lambs were juicier (P < 0.05) than rib chops from NI lambs. Chops from IR lambs had more (P < 0.05) detectable connective tissue and lower myofibrillar and overall tenderness scores than chops from NIR, IW, or NIW lambs. Warner-Bratzler shear (WBS) values tended to be higher (P = 0.06) for LM chops from rams than for those from wethers, but WBS values for Biceps femoris (BF) chops were similar (P > 0.05) for rams and wethers. Implanting did not affect (P > 0.05) WBS values. Rams had more (P < 0.05) LM heat-labile (soluble, SC), nonheat-labile (insoluble, IC), and total collagen (TC) and a higher (P < 0.05) percentage of SC (SC/TC) than did wethers. Soluble collagen, TC, and percentage of SC for the BF were higher (P < 0.05) and IC tended (P = 0.09) to be higher in chops from rams than in those from wethers. Implanting did not affect (P > 0.05) collagen amount or solubility. Serum nonprotein hydroxyproline (NPHP) was higher (P < 0.05) in rams than in wethers throughout the feeding period and tended (P = 0.05) to be higher at slaughter. Implanting did not affect (P > 0.05) serum NPHP. We concluded that rams synthesize and accumulate more LM muscle collagen and have higher WBS values than do wethers. However, the observed reduction in sensory panel tenderness was only for chops from implanted rams compared with chops from other treatment groups.]]></description><identifier>ISSN: 0021-8812</identifier><identifier>EISSN: 1525-3163</identifier><language>eng</language><subject>agneau ; anabolicos ; anabolics ; anabolisant ; analisis organoleptico ; analyse organoleptique ; belier ; carcass composition ; colagenos ; collagen ; collagene ; composicion de la canal ; composition de la carcasse ; contenido de lipidos ; cordero ; lambs ; lipid content ; morueco ; muscle ; muscles ; musculos ; organoleptic analysis ; rams ; resistance mecanique ; resistencia mecanica ; sex ; sexe ; sexo ; strength ; tenderness ; tendrete ; teneur en lipides ; ternura</subject><ispartof>Journal of animal science, 1992, Vol.70</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4009</link.rule.ids></links><search><creatorcontrib>Nold R.A</creatorcontrib><creatorcontrib>Unruh J.A</creatorcontrib><creatorcontrib>Hunt M.C</creatorcontrib><creatorcontrib>Spaeth C.W</creatorcontrib><creatorcontrib>Brookings Country Extension, Brookings, SD</creatorcontrib><title>Effects of implanting ram and wether lambs with zeranol at birth and weaning on palatabilty and muscle collagen characteristics</title><title>Journal of animal science</title><description><![CDATA[Thirty-five zeranol-implanted (I) and nonimplanted (NI) ram and wether lambs representing four treatments (implanted rams [IR], nonimplanted rams [NIR], implanted wethers [IW], and nonimplanted wethers [NIW]) were evaluated for meat palatability and muscle collagen characteristics. Rib (longissimus muscle, LM) chops from I lambs were juicier (P < 0.05) than rib chops from NI lambs. Chops from IR lambs had more (P < 0.05) detectable connective tissue and lower myofibrillar and overall tenderness scores than chops from NIR, IW, or NIW lambs. Warner-Bratzler shear (WBS) values tended to be higher (P = 0.06) for LM chops from rams than for those from wethers, but WBS values for Biceps femoris (BF) chops were similar (P > 0.05) for rams and wethers. Implanting did not affect (P > 0.05) WBS values. Rams had more (P < 0.05) LM heat-labile (soluble, SC), nonheat-labile (insoluble, IC), and total collagen (TC) and a higher (P < 0.05) percentage of SC (SC/TC) than did wethers. Soluble collagen, TC, and percentage of SC for the BF were higher (P < 0.05) and IC tended (P = 0.09) to be higher in chops from rams than in those from wethers. Implanting did not affect (P > 0.05) collagen amount or solubility. Serum nonprotein hydroxyproline (NPHP) was higher (P < 0.05) in rams than in wethers throughout the feeding period and tended (P = 0.05) to be higher at slaughter. Implanting did not affect (P > 0.05) serum NPHP. We concluded that rams synthesize and accumulate more LM muscle collagen and have higher WBS values than do wethers. However, the observed reduction in sensory panel tenderness was only for chops from implanted rams compared with chops from other treatment groups.]]></description><subject>agneau</subject><subject>anabolicos</subject><subject>anabolics</subject><subject>anabolisant</subject><subject>analisis organoleptico</subject><subject>analyse organoleptique</subject><subject>belier</subject><subject>carcass composition</subject><subject>colagenos</subject><subject>collagen</subject><subject>collagene</subject><subject>composicion de la canal</subject><subject>composition de la carcasse</subject><subject>contenido de lipidos</subject><subject>cordero</subject><subject>lambs</subject><subject>lipid content</subject><subject>morueco</subject><subject>muscle</subject><subject>muscles</subject><subject>musculos</subject><subject>organoleptic analysis</subject><subject>rams</subject><subject>resistance mecanique</subject><subject>resistencia mecanica</subject><subject>sex</subject><subject>sexe</subject><subject>sexo</subject><subject>strength</subject><subject>tenderness</subject><subject>tendrete</subject><subject>teneur en lipides</subject><subject>ternura</subject><issn>0021-8812</issn><issn>1525-3163</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNqFi0FuwjAQRS1UJFLgCmguEMlOCErWiIp96RpNjJ0YTWxkD0Jlw9VJafddPen99yciU1VR5aXalG8ik7JQeV2rYibeUzpLqYqqqTLx2FlrNCcIFtxwIfTsfAcRB0B_gpvh3kQgHNoEN8c93E1EHwiQoXVxFL8Z-p9b8HBBQsbWEX-_puGaNBnQgQg740H3GFGziS6x02khphYpmeUf52L1sTts97nFcMRurI5fn6ppSinXtRz5b_AErZdMiQ</recordid><startdate>1992</startdate><enddate>1992</enddate><creator>Nold R.A</creator><creator>Unruh J.A</creator><creator>Hunt M.C</creator><creator>Spaeth C.W</creator><scope>FBQ</scope></search><sort><creationdate>1992</creationdate><title>Effects of implanting ram and wether lambs with zeranol at birth and weaning on palatabilty and muscle collagen characteristics</title><author>Nold R.A ; Unruh J.A ; Hunt M.C ; Spaeth C.W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-fao_agris_US199300480993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>agneau</topic><topic>anabolicos</topic><topic>anabolics</topic><topic>anabolisant</topic><topic>analisis organoleptico</topic><topic>analyse organoleptique</topic><topic>belier</topic><topic>carcass composition</topic><topic>colagenos</topic><topic>collagen</topic><topic>collagene</topic><topic>composicion de la canal</topic><topic>composition de la carcasse</topic><topic>contenido de lipidos</topic><topic>cordero</topic><topic>lambs</topic><topic>lipid content</topic><topic>morueco</topic><topic>muscle</topic><topic>muscles</topic><topic>musculos</topic><topic>organoleptic analysis</topic><topic>rams</topic><topic>resistance mecanique</topic><topic>resistencia mecanica</topic><topic>sex</topic><topic>sexe</topic><topic>sexo</topic><topic>strength</topic><topic>tenderness</topic><topic>tendrete</topic><topic>teneur en lipides</topic><topic>ternura</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nold R.A</creatorcontrib><creatorcontrib>Unruh J.A</creatorcontrib><creatorcontrib>Hunt M.C</creatorcontrib><creatorcontrib>Spaeth C.W</creatorcontrib><creatorcontrib>Brookings Country Extension, Brookings, SD</creatorcontrib><collection>AGRIS</collection><jtitle>Journal of animal science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nold R.A</au><au>Unruh J.A</au><au>Hunt M.C</au><au>Spaeth C.W</au><aucorp>Brookings Country Extension, Brookings, SD</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of implanting ram and wether lambs with zeranol at birth and weaning on palatabilty and muscle collagen characteristics</atitle><jtitle>Journal of animal science</jtitle><date>1992</date><risdate>1992</risdate><volume>70</volume><issn>0021-8812</issn><eissn>1525-3163</eissn><abstract><![CDATA[Thirty-five zeranol-implanted (I) and nonimplanted (NI) ram and wether lambs representing four treatments (implanted rams [IR], nonimplanted rams [NIR], implanted wethers [IW], and nonimplanted wethers [NIW]) were evaluated for meat palatability and muscle collagen characteristics. Rib (longissimus muscle, LM) chops from I lambs were juicier (P < 0.05) than rib chops from NI lambs. Chops from IR lambs had more (P < 0.05) detectable connective tissue and lower myofibrillar and overall tenderness scores than chops from NIR, IW, or NIW lambs. Warner-Bratzler shear (WBS) values tended to be higher (P = 0.06) for LM chops from rams than for those from wethers, but WBS values for Biceps femoris (BF) chops were similar (P > 0.05) for rams and wethers. Implanting did not affect (P > 0.05) WBS values. Rams had more (P < 0.05) LM heat-labile (soluble, SC), nonheat-labile (insoluble, IC), and total collagen (TC) and a higher (P < 0.05) percentage of SC (SC/TC) than did wethers. Soluble collagen, TC, and percentage of SC for the BF were higher (P < 0.05) and IC tended (P = 0.09) to be higher in chops from rams than in those from wethers. Implanting did not affect (P > 0.05) collagen amount or solubility. Serum nonprotein hydroxyproline (NPHP) was higher (P < 0.05) in rams than in wethers throughout the feeding period and tended (P = 0.05) to be higher at slaughter. Implanting did not affect (P > 0.05) serum NPHP. We concluded that rams synthesize and accumulate more LM muscle collagen and have higher WBS values than do wethers. However, the observed reduction in sensory panel tenderness was only for chops from implanted rams compared with chops from other treatment groups.]]></abstract></addata></record> |
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| subjects | agneau anabolicos anabolics anabolisant analisis organoleptico analyse organoleptique belier carcass composition colagenos collagen collagene composicion de la canal composition de la carcasse contenido de lipidos cordero lambs lipid content morueco muscle muscles musculos organoleptic analysis rams resistance mecanique resistencia mecanica sex sexe sexo strength tenderness tendrete teneur en lipides ternura |
| title | Effects of implanting ram and wether lambs with zeranol at birth and weaning on palatabilty and muscle collagen characteristics |
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