- Volume 16 Issue 8
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Excessive Dietary Conjugated Linoleic Acid Affects Hepatic Lipid Content and Muscular Fatty Acid Composition in Young Chicks
- An, B.K. ;
- Shinn, K.H. ;
- Kobayashi, Y. ;
- Tanaka, K. ;
- Kang, C.W.
- Received : 2002.12.27
- Accepted : 2003.04.08
- Published : 2003.08.01
The effects of dietary conjugated linoleic acid (CLA) on lipid concentrations and fatty acid composition of various tissues were studied in young chicks. From 7 days of age, a total of 160 chicks were divided into 4 groups, placed into 4 pens per group (10 birds per pen) and fed one of four experimental diets containing 6% tallow (TO 6%), 4% tallow plus 2% CLA (TO 4%-CLA 2%), 2% tallow plus 4% CLA (TO 2%-CLA 4%) or 6% CLA (CLA 6%) for 3 weeks. There were no significant differences in growth performances and the relative weights of various organs, but relative liver weight of chicks fed dietary CLA at 4 and 6% levels was significantly higher (p<0.05) than that of TO 6% group. The chemical compositions of leg muscle were not affected by CLA feeding. However, hepatic total lipid of chicks fed 6% CLA diet was significantly higher (p<0.05) than those of TO 6% and TO 4%-CLA 2% groups. The concentrations of various lipid fractions in serum were not affected by CLA feeding. With the increase in dietary CLA levels, cis 9-trans 11 CLA, trans 10-cis 12 CLA and total CLA of leg muscle increased linearly. The relative proportions of C18:1
Conjugated Linoleic Acid;Hepatic Total Lipid;Concentration of Serum Lipids;Tissue Fatty Acid Composition;Young Chicks
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