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  • Title: Relationships between intramuscular fat content, selected carcass traits, and fatty acid profile in bulls using a F2-population.
    Author: Hoehne A, Nuernberg G, Kuehn C, Nuernberg K.
    Journal: Meat Sci; 2012 Mar; 90(3):629-35. PubMed ID: 22094240.
    Abstract:
    The quality and nutritional value of beef is related to the amount of intramuscular fat (IMF) as well as to its fatty acid composition. In this study the relations between the IMF content and the total fatty acid composition, the fatty acids (FA) of triacylglycerols (TG) and the FA of phospholipids (PL) in longissimus muscle of F(2) Charolais×German Holstein crossbred bulls have been analysed. Polyunsaturated fatty acids (PUFA, C18:2n-6; C18:3n-3) and stearic acid (C18:0) are strongly positively correlated to IMF in longissimus muscle at the quantitative level (mg/100g fresh tissue), but there are negative correlation coefficients for the relative proportion of these fatty acids to IMF. The relationships between IMF and the fatty acid profile of the subfractions TG and PL are lower compared to total muscle fat. Selected carcass fat traits are positively correlated to most of the fatty acids.
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