The effect of linseed diet on carcass value traits and fatty acid composition in muscle and fat tissue of fattening pigs

BEČKOVÁ, Rúžena a VÁCLAVKOVÁ, Eva. The effect of linseed diet on carcass value traits and fatty acid composition in muscle and fat tissue of fattening pigs. Czech Journal of Animal Science, 2010, 55, 313-320. ISSN 1212-1819.
Kateg. publikaceVědecké publikace impaktované
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Abstrakt

The aim of the study was to evaluate the effect of linseed in the diet of fattening pigs on carcass value traits and changes in the fatty acid profile in muscle and fat tissue. Thirty crossbred gilts were divided into control (C) and experimental (L) groups. Ground linseed was added to a feed mixture for L group. The average daily gain, lean meat percentage and intramuscular fat content were not affected by the linseed diet but pH1 value and drip loss were significantly influenced. The inclusion of linseed increased linoleic and alpha-linolenic acid content in L group while arachidonic acid content was decreased in both muscle and fat tissue. A significant decrease in the n-6/n-3PUFA ratio was found in L group compared to C group. The total SFA content in muscle tissue was not significantly affected by the linseed diet but it was decreased in backfat. The MUFA/SFA ratio was not affected by the linseed diet whereas the SFA/PUFA ratio was reduced

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