ORIGINAL PAPER
Influence of dietary lecithin and oils rich in n-3 polyunsaturated fatty acids (PUFA) on the fatty acid content of rat muscle and serum
 
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1
Department of Animal Nutrition and Feed Management, Warsaw Agricultural University, Rakowiecka 26/30, 02-528 Warsaw, Poland
2
Department and Clinic of Internal Medicine, Warsaw Agricultural University, Grochowska 272, 03-849 Warsaw, Poland
Publication date: 1999-07-05
 
J. Anim. Feed Sci. 1999;8(3):485–497
 
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ABSTRACT
Forty-eight (Wistar) rats were divided into 3 groups and fed semi-synthetic diets containing various types of fat (6%): rape seed, linseed, or fish oil. Half of the animals in each group received lecithin (5% of the mixture). The content of fatty acids in the serum and m. longissimus dorsi was determined, as well as serum triacylglyccrides (TAG) and total cholesterol (TCh). It was found that feeding fish oil increased the percentage of eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids in the serum and muscle tissue, while the addition of linseed oil increased the content of α-linolenic acid and EPA in these tissues. The addition of lecithin raised the percentage of serum linoleic acid and decreased, EPA and DHA. TAG and TCh concentrations were much lower in the animals receiving lecithin and fish oil in their diets and, to a lesser degree, also in those receiving linseed oil, in comparison with rats fed rape seed oil.
 
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1.
Changes in white muscle transcriptome induced by dietary energy levels in two lines of rainbow trout ( Oncorhynchus mykiss) selected for muscle fat content
Catherine-Ines Kolditz, Elisabeth Plagnes-Juan, Edwige Quillet, Florence Lefèvre, Françoise Médale
British Journal of Nutrition
 
2.
Ileal digestibility of fat and fatty acids in polar foxes (Alopex lagopusL.) fed diets used during the reproductive period
Katarzyna Burlikowska, Roman Szymeczko
Acta Agriculturae Scandinavica, Section A - Animal Science
 
ISSN:1230-1388