Consumption of Dietary n-3 Fatty Acids Decreases Fat Deposition and Adipocyte Size, but Increases Oxidative Susceptibility in Broiler Chickens

• Published in: Lipids 2013-07, Vol.48 (7), p.705-717
• Main Authors: González-Ortiz, Gemma, Sala, Roser, Cánovas, Elisa, Abed, Nourhène, Barroeta, Ana C.
• Format: Article
• Language: English
• Subjects: Abdominal fat; Abdominal Fat - drug effects; Abdominal Fat - metabolism; Adipocyte; Adipocytes - drug effects; Adipocytes - metabolism; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Biomedical and Life Sciences; Body Fat Distribution; Cell Size - drug effects; Chickens; Chickens - anatomy & histology; Chickens - metabolism; Diet; Erythrocytes; Erythrocytes - drug effects; Fatty Acids, Omega-3 - administration & dosage; Female; Fish oil; Fish oils; Hemolysis; Histology; Life Sciences; Linseed; Lipidology; Liver; Liver - drug effects; Liver - metabolism; Meat; Medical Biochemistry; Medicinal Chemistry; Microbial Genetics and Genomics; Muscle; Muscle, Skeletal - drug effects; Muscle, Skeletal - metabolism; Neurochemistry; Nutrition; Original Article; Oxidation; Oxidation-Reduction; Polyunsaturated fatty acids; Poultry; Tallow; TBARS
• ISSN: 0024-4201; 1558-9307
• DOI: 10.1007/s11745-013-3785-3

The aim of this study was to determine the effects of an omega-3 (n-3) polyunsaturated fatty acid (PUFA)-enriched diet on animal fat depots and lipid oxidation in the blood and meat of broiler chickens. Abdominal fat pad (AFP), sartorius muscle and liver histology were used to assess the effect of the dietary fat on animal lipid depots. A total of 60 female broilers (14 days old) was randomly divided into two groups which received a diet containing 10 % of tallow (S diet), rich in saturated fatty acids or 10 % of a blend of fish oil and linseed oil (N3 diet), rich in n-3 PUFA from 14 to 50 days of life. Both absolute and relative weights of AFP in N3 animals were lower than in the S group ( P