Effects of Dietary ..-3 and ..-6 Polyunsaturated Fatty Acids on Fatty Acid Composition of Immune Organs in Young Chicks.
2003
Ahn B.K. | Youn J.Y. | Chee K.M.
Effects of various combinations of corn oil (CO) and perilla oil (PO) as respective dietary sources of ..-6 and ..-3 Polyunsaturated fatty acids on fatty acids profiles of immune organs were studied in young chicks. Seventy-five 1-day-old male (ISA Brown) chicks were assigned to five treatments with three replications. Semi-purified-type diets containing glucose and soybean meal as major ingredients were added with 8% CO, 6% CO+2% PO, 2% CO+6% PO and 8% PO and fed for 7 weeks. There were no significant differences in body weight gain, feed intake and relative weights of liver and immune organs (g/100g body weight) among dietary groups. Dietary fatty acid patterns were generally reflected in the fatty acid compositions of all immune organs such as spleen, thymus and bursa of Fabricius. The levels of ..-linolenic acid (LNA), eicosapentaenoic acid (EPA) and docosahexaenoic acid in various immune organs increased with increasing levels of perilla oil in the diets, whilet the levels of linoleic acid (LA) and arachidonic acid (AA) decreased.
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