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. 2021 Sep 29;8:746765. doi: 10.3389/fnut.2021.746765

Figure 4.

Figure 4

Forest plot of the effects of polyunsaturated fatty acid (PUFA) supplementation on the meat quality of growing and finishing pigs. (A) IMF, (B) meat color L*, (C) meat color b*, and (D) pH 24 h. WMD, weighted mean difference; CLA, conjugated linoleic acid. The small solid diamond represents the point estimate for each individual trial, and the horizontal line extending from each solid diamond represents the upper and lower limits of the 95% CI. The size of the shaded square indicates the relative weight of the trial in the meta-analysis. The hollow diamond represents the WMD and 95% CI of the trials, no intersection of the diamond and the solid black line in the middle indicates a significant difference (p < 0.05), vice versa.