| Physical activity-induced alterations on tissue lipid composition and lipid metabolism in fattening pigs. | |
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MedLine Citation:
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PMID: 20416577 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In a first experiment one group of pigs was maintained in free-range conditions according to the traditional way in a Mediterranean forest (exercised-1) and another group was housed individually and received acorns (sedentary-1). In a second experiment two groups of pigs were fed a mixed diet for the whole experimental period. One of these groups was housed individually in 8m(2) pens (sedentary-2). The other group was housed in a corridor and forced to walk daily (exercised-2). The subcutaneous fat and neutral lipids of muscle from the exercised pigs fed acorns had higher C18:1n-9, MUFA, C18:1/C18:0, MUFA/SAT and lower C16:0 and SAT when compared with the fat from the pigs fed acorns in confinement. Those exercised animals fed the mixed diet had also lower C16:0 and SAT in subcutaneous fat and lower SAT and higher C18:2, C18:3, PUFA and MUFA/SAT in neutral lipids when compared with the sedentary pigs, which may indicate that delta-9-desaturase activity was higher in exercised than in sedentary pigs. Exercised pigs had higher acid and neutral esterases and lower neutral lipase activity than sedentary pigs. No differences in the alpha-tocopherol concentration and TBARS values of meat samples among the pigs that received a mixed diet either exercised or sedentary were observed. The moderate exercise reduced the postprandrial concentrations of triglycerides in plasma, but did not reduce other plasma levels. |
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Authors:
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A Daza; A I Rey; A Olivares; G Cordero; F Toldrá; C J López-Bote |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2008-11-11 |
Journal Detail:
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Title: Meat science Volume: - ISSN: 1873-4138 ISO Abbreviation: - Publication Date: 2008 Nov |
Date Detail:
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Created Date: 2010-4-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101160862 Medline TA: Meat Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Departamento de Producción Animal, E.T.S.I. Agrónomos, Universidad Politécnica de Madrid, 28040 Madrid, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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