Effects of the fattening period on the fatty acid composition of fat deposits and free amino acid and inosinic acid contents of the longissimus muscle in carcasses of Japanese Black steers
ABSTRACT The effects of the fattening period on carcass characteristics, fatty acid composition of fat deposits, and muscle free amino acid (FAA) and inosinic acid (IMP) contents were evaluated in Japanese Black steers. Ten castrated, 10‐month‐old calves derived from the same sire were divided into...
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| Veröffentlicht in: | Animal science journal 2009-08, Vol.80 (4), p.411-417 |
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| creator | IWAMOTO, Eiji OKA, Akio IWAKI, Fumiyuki |
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The effects of the fattening period on carcass characteristics, fatty acid composition of fat deposits, and muscle free amino acid (FAA) and inosinic acid (IMP) contents were evaluated in Japanese Black steers. Ten castrated, 10‐month‐old calves derived from the same sire were divided into five to be slaughtered at the age of 30 months after a 20‐month fattening period (20‐month group) and five to be slaughtered at the age of 34 months after a 24‐month fattening period (24‐month group). Concerning the fatty acid composition of subcutaneous fat, the percentage of palmitoleic acid was higher (P |
| doi_str_mv | 10.1111/j.1740-0929.2009.00648.x |
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The effects of the fattening period on carcass characteristics, fatty acid composition of fat deposits, and muscle free amino acid (FAA) and inosinic acid (IMP) contents were evaluated in Japanese Black steers. Ten castrated, 10‐month‐old calves derived from the same sire were divided into five to be slaughtered at the age of 30 months after a 20‐month fattening period (20‐month group) and five to be slaughtered at the age of 34 months after a 24‐month fattening period (24‐month group). Concerning the fatty acid composition of subcutaneous fat, the percentage of palmitoleic acid was higher (P < 0.05) in the 24‐ than in the 20‐month group, but no difference was noted in any other fatty acids. For intermuscular fat, no difference was observed in any fatty acids. The percentages of oleic acid and total monounsaturated fatty acid of intramuscular and perinephric fat were higher (P < 0.05) in the 24‐ than in the 20‐month group. Of the FAAs in the longissimus thoracis muscle, the threonine and tyrosine contents were lower (P < 0.05) in the 24‐ than in the 20‐month group. The IMP content was higher (P < 0.05) in the 24‐ than in the 20‐month group, suggesting an effect of prolongation of the fattening period.</description><identifier>ISSN: 1344-3941</identifier><identifier>EISSN: 1740-0929</identifier><identifier>DOI: 10.1111/j.1740-0929.2009.00648.x</identifier><identifier>PMID: 20163601</identifier><language>eng</language><publisher>Melbourne, Australia: Blackwell Publishing Asia</publisher><subject>Amino Acids - analysis ; Animal Feed ; Animal sciences ; Animals ; Cattle ; Cattle - metabolism ; Fats - analysis ; fattening period ; Fatty acids ; free amino acids ; Inosine Monophosphate - analysis ; inosinic acid ; Male ; Meat industry ; Muscle, Skeletal - chemistry ; Muscular system ; steers</subject><ispartof>Animal science journal, 2009-08, Vol.80 (4), p.411-417</ispartof><rights>Journal compilation © 2009 Japanese Society of Animal Science. No claim to original Japanese government works</rights><rights>Journal compilation © 2009 Japanese Society of Animal Science</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c6018-bde5a38f72da6948434b62791cd814b0cc1214cfa4ef144f8930796d039261f93</citedby><cites>FETCH-LOGICAL-c6018-bde5a38f72da6948434b62791cd814b0cc1214cfa4ef144f8930796d039261f93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1740-0929.2009.00648.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1740-0929.2009.00648.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20163601$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>IWAMOTO, Eiji</creatorcontrib><creatorcontrib>OKA, Akio</creatorcontrib><creatorcontrib>IWAKI, Fumiyuki</creatorcontrib><title>Effects of the fattening period on the fatty acid composition of fat deposits and free amino acid and inosinic acid contents of the longissimus muscle in carcasses of Japanese Black steers</title><title>Animal science journal</title><addtitle>Anim Sci J</addtitle><description>ABSTRACT
The effects of the fattening period on carcass characteristics, fatty acid composition of fat deposits, and muscle free amino acid (FAA) and inosinic acid (IMP) contents were evaluated in Japanese Black steers. Ten castrated, 10‐month‐old calves derived from the same sire were divided into five to be slaughtered at the age of 30 months after a 20‐month fattening period (20‐month group) and five to be slaughtered at the age of 34 months after a 24‐month fattening period (24‐month group). Concerning the fatty acid composition of subcutaneous fat, the percentage of palmitoleic acid was higher (P < 0.05) in the 24‐ than in the 20‐month group, but no difference was noted in any other fatty acids. For intermuscular fat, no difference was observed in any fatty acids. The percentages of oleic acid and total monounsaturated fatty acid of intramuscular and perinephric fat were higher (P < 0.05) in the 24‐ than in the 20‐month group. Of the FAAs in the longissimus thoracis muscle, the threonine and tyrosine contents were lower (P < 0.05) in the 24‐ than in the 20‐month group. The IMP content was higher (P < 0.05) in the 24‐ than in the 20‐month group, suggesting an effect of prolongation of the fattening period.</description><subject>Amino Acids - analysis</subject><subject>Animal Feed</subject><subject>Animal sciences</subject><subject>Animals</subject><subject>Cattle</subject><subject>Cattle - metabolism</subject><subject>Fats - analysis</subject><subject>fattening period</subject><subject>Fatty acids</subject><subject>free amino acids</subject><subject>Inosine Monophosphate - analysis</subject><subject>inosinic acid</subject><subject>Male</subject><subject>Meat industry</subject><subject>Muscle, Skeletal - chemistry</subject><subject>Muscular system</subject><subject>steers</subject><issn>1344-3941</issn><issn>1740-0929</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNUctu1DAUjRCIlsIvIIsNqwS_8rDEplR9MKpgAQh2lse5Lp4mdmonYubf-nF1Ju0gscKS5et7zzn32ifLEMEFSevDpiA1xzkWVBQUY1FgXPGm2D7Ljg-F5ylmnOdMcHKUvYpxgzGpBS5fZkcUk4pVmBxn9-fGgB4j8gaNvwEZNY7grLtBAwTrW-TdIb9DStsWad8PPtrRplJipQpqYZ-JSLkWmQCAVG-dX_BzLl2idVY_KbjU5G_TzrsbG6Ptp4jS1h0kAtIqaBUj7GErNSgHEdCnTulbFEeAEF9nL4zqIrx5PE-yHxfn38-u8uuvl5_PTq9znd7Y5OsWSsUaU9NWVYI3nPF1RWtBdNsQvsZaE0q4NoqDIZybRjBci6rFTNCKGMFOsveL7hD83QRxlL2NGroujeSnKGvGMS0bOiPf_YPc-Cm4NJykpKnKkpQ8gZoFpIOPMYCRQ7C9CjtJsJz9lRs52yhnG-Xsr9z7K7eJ-vZRf1r30B6IT4YmwMcF8Md2sPtvYXn6bZWCRM8Xuk0_vD3QVbiVVc3qUv78cilrvmK_GL6QV-wBjy7EqA</recordid><startdate>200908</startdate><enddate>200908</enddate><creator>IWAMOTO, Eiji</creator><creator>OKA, Akio</creator><creator>IWAKI, Fumiyuki</creator><general>Blackwell Publishing Asia</general><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7T7</scope><scope>7TK</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>200908</creationdate><title>Effects of the fattening period on the fatty acid composition of fat deposits and free amino acid and inosinic acid contents of the longissimus muscle in carcasses of Japanese Black steers</title><author>IWAMOTO, Eiji ; OKA, Akio ; IWAKI, Fumiyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c6018-bde5a38f72da6948434b62791cd814b0cc1214cfa4ef144f8930796d039261f93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Amino Acids - analysis</topic><topic>Animal Feed</topic><topic>Animal sciences</topic><topic>Animals</topic><topic>Cattle</topic><topic>Cattle - metabolism</topic><topic>Fats - analysis</topic><topic>fattening period</topic><topic>Fatty acids</topic><topic>free amino acids</topic><topic>Inosine Monophosphate - analysis</topic><topic>inosinic acid</topic><topic>Male</topic><topic>Meat industry</topic><topic>Muscle, Skeletal - chemistry</topic><topic>Muscular system</topic><topic>steers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>IWAMOTO, Eiji</creatorcontrib><creatorcontrib>OKA, Akio</creatorcontrib><creatorcontrib>IWAKI, Fumiyuki</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Neurosciences Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Animal science journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>IWAMOTO, Eiji</au><au>OKA, Akio</au><au>IWAKI, Fumiyuki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of the fattening period on the fatty acid composition of fat deposits and free amino acid and inosinic acid contents of the longissimus muscle in carcasses of Japanese Black steers</atitle><jtitle>Animal science journal</jtitle><addtitle>Anim Sci J</addtitle><date>2009-08</date><risdate>2009</risdate><volume>80</volume><issue>4</issue><spage>411</spage><epage>417</epage><pages>411-417</pages><issn>1344-3941</issn><eissn>1740-0929</eissn><abstract>ABSTRACT
The effects of the fattening period on carcass characteristics, fatty acid composition of fat deposits, and muscle free amino acid (FAA) and inosinic acid (IMP) contents were evaluated in Japanese Black steers. Ten castrated, 10‐month‐old calves derived from the same sire were divided into five to be slaughtered at the age of 30 months after a 20‐month fattening period (20‐month group) and five to be slaughtered at the age of 34 months after a 24‐month fattening period (24‐month group). Concerning the fatty acid composition of subcutaneous fat, the percentage of palmitoleic acid was higher (P < 0.05) in the 24‐ than in the 20‐month group, but no difference was noted in any other fatty acids. For intermuscular fat, no difference was observed in any fatty acids. The percentages of oleic acid and total monounsaturated fatty acid of intramuscular and perinephric fat were higher (P < 0.05) in the 24‐ than in the 20‐month group. Of the FAAs in the longissimus thoracis muscle, the threonine and tyrosine contents were lower (P < 0.05) in the 24‐ than in the 20‐month group. The IMP content was higher (P < 0.05) in the 24‐ than in the 20‐month group, suggesting an effect of prolongation of the fattening period.</abstract><cop>Melbourne, Australia</cop><pub>Blackwell Publishing Asia</pub><pmid>20163601</pmid><doi>10.1111/j.1740-0929.2009.00648.x</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Animal science journal, 2009-08, Vol.80 (4), p.411-417 |
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| subjects | Amino Acids - analysis Animal Feed Animal sciences Animals Cattle Cattle - metabolism Fats - analysis fattening period Fatty acids free amino acids Inosine Monophosphate - analysis inosinic acid Male Meat industry Muscle, Skeletal - chemistry Muscular system steers |
| title | Effects of the fattening period on the fatty acid composition of fat deposits and free amino acid and inosinic acid contents of the longissimus muscle in carcasses of Japanese Black steers |
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