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Nutrients 2012, 4(9), 1237-1246; doi:10.3390/nu4091237
Article

Different Dietary Protein and PUFA Interventions Alter the Fatty Acid Concentrations, but Not the Meat Quality, of Porcine Muscle

1,* , 1
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Received: 6 July 2012; in revised form: 8 August 2012 / Accepted: 28 August 2012 / Published: 5 September 2012
(This article belongs to the Special Issue Dietary Lipids: Sources, Function and Metabolism)
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Abstract: The present study investigated the effect of a reduced protein diet in combination with different vegetable oils (sunflower seed oil or linseed oil) on carcass traits, meat quality and fatty acid profile in porcine muscle. Forty male Landrace pigs were allocated into four experimental groups (each n = 8) and one control group (n = 8) at a live weight of approximately 60 kg. The pigs were fed ad libitum from 60 kg to 100 kg live weight and restricted to 2.8 kg/day until they reached 120 kg. In contrast to other studies, the intramuscular fat content (IMF) did not increase in animals of groups fed a reduced protein diet and vegetable oils. The IMF ranged between 1.2% and 1.4%. The growth performance and meat quality of the longissimus muscle was not affected by the diet, but the average daily gain (ADG) and drip loss were affected. The muscle fatty acid concentrations were significantly affected by the diet, resulting in higher n-3 FA concentrations up to 113 mg/100 g muscle and lower n-6/n-3 PUFA ratio for pigs fed linseed oil-containing high- and reduced protein diets, compared to sunflower seed oil-containing diets.
Keywords: reduced protein diet; linseed oil; sunflower oil; pig muscle; carcass traits; meat quality; fatty acids reduced protein diet; linseed oil; sunflower oil; pig muscle; carcass traits; meat quality; fatty acids
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Dannenberger, D.; Nuernberg, K.; Nuernberg, G.; Priepke, A. Different Dietary Protein and PUFA Interventions Alter the Fatty Acid Concentrations, but Not the Meat Quality, of Porcine Muscle. Nutrients 2012, 4, 1237-1246.

AMA Style

Dannenberger D, Nuernberg K, Nuernberg G, Priepke A. Different Dietary Protein and PUFA Interventions Alter the Fatty Acid Concentrations, but Not the Meat Quality, of Porcine Muscle. Nutrients. 2012; 4(9):1237-1246.

Chicago/Turabian Style

Dannenberger, Dirk; Nuernberg, Karin; Nuernberg, Gerd; Priepke, Antje. 2012. "Different Dietary Protein and PUFA Interventions Alter the Fatty Acid Concentrations, but Not the Meat Quality, of Porcine Muscle." Nutrients 4, no. 9: 1237-1246.


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