The relationship between intramuscular fat content and selected parameters of the carcass value affected by nutrition during fattening in pigs
2013
Vehovsky, K., Czech University of Life Sciences, Prague (Czech Republic). Dept. of Animal Husbandry | Stupka, R., Czech University of Life Sciences, Prague (Czech Republic) | Citek, J., Czech University of Life Sciences, Prague (Czech Republic) | Sprysl, M., Czech University of Life Sciences, Prague (Czech Republic) | Okrouhla, M., Czech University of Life Sciences, Prague (Czech Republic) | Brzobohaty, L., Czech University of Life Sciences, Prague (Czech Republic)
The aim of the study was to evaluate the relationship between selected indicators of the carcass value and intramuscular fat (IMF) content at the different diet in pigs. The difference was in the CFM enrichment about corn, respectively lineseed as a source of polyenic fatty acids (PUFA). Experiment show no influence of nutrition on the IMF share in the carcass. Under the influence of lineseed diet, the groups of PUFA, n-3 PUFA, PUFA:SFA ratio (saturated fatty acids) significantly increased. The n-6:n-3 ratio of PUFA and the sum of mono-fatty acid (MUFA), however, was simultaneously reduced. Changes in the carcass value parameters were insignificant. The results of correlation analysis between the IMF share and carcass value characteristics showed a positive correlation between the IMF share backfat thickness (r=0.532), SFA (r=0.48733). The negative correlation between the IMF share and the lean meat share (r=-0.55095), the main meat parts share (r=-0.45778), groups of PUFA fatty acids (r=-0.403), PUFA n-6 (r=-0.80555), PUFA:SFA ratio (r=-0.43725) and n-6:n-3 (r=-0.4224) were detected simultaneously.
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