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. 2019 Oct 16;15:341. doi: 10.1186/s12917-019-2107-2

Fig. 2.

Fig. 2

Effects of RFI line and hygiene conditions on lipid byproducts in the liver. Pigs selected for low (LRFI) or high (HRFI) residual feed intake (RFI) were housed either in good or poor hygiene conditions during 6 weeks. Thiobarbituric reactive substances (TBARS) in the liver were measured at different time points along a forced chemical oxidation kinetics, and expressed as malondialdehydes (MDA) concentrations (nM/g tissue). Effects of line, hygiene conditions and their interaction (LxH) were tested for repeated measures data of TBARS along the kinetics. LxH: interaction effect between genetic line (L) and hygiene conditions (H): **P = 0.01. Dashed lines are used for poor hygiene conditions, and continuous lines are used for good hygiene conditions; red color is used for high RFI pigs and blue color is used for low RFI pigs