Effect of different fat sources in pig diet on fatty acid composition of muscle tissue
2010
Vaclavkova, E.,Vyzkumny Ustav Zivocisne Vyroby, Prague (Czech Republic)
The aim of this study was to evaluate the content of selected fatty acids in muscle tissue of pigs fed with feed mixtures with different sources of fat. Forty crossbred gilts were divided into four groups and fed with control diet (C) or diet containing sunflower (S), linseed (L) or conjugated linoleic acid (CLA). The highest concentration (P less than 0.001) of linoleic acid was found in CLA and S group, the highest amount of alpha-linolenic acid was measured in L group. The concentration of arachidonic acid and EPA was also affected (P less than 0.001) by the type of feeding mixture. The concentration of monounsaturated fatty acids (MUFA) was also significantly different in control and experimental groups. Similarly, the polyunsaturated fatty acids proportion was significantly affected by the diet. The most favourable n-6/n-3 PUFA ratio was found in L group.
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