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. 2021 Dec 31;12(1):87. doi: 10.3390/ani12010087

Table 8.

Effects of dietary sulfur on oxidative stress markers of liver in laying hens (n = 8).

Item 1 CONT 2 MSM SS SEM 3 p-Value
GPX activity, U/mg protein 51.83 54.38 59.71 2.59 0.224
TAC, nmol/mg protein 52.29 b 63.05 a 65.40 a 1.85 <0.001
CAT, U/mg protein 70.82 65.22 69.93 13.58 0.965
MDA, nmol/mg protein 2.05 1.98 2.35 0.19 0.453

a, b Means value without a common superscript within the same row differ (p < 0.05). 1 GPX, glutathione peroxidase; TAC, total antioxidant capacity; CAT, catalase; MDA, malondialdehyde. 2 CONT, basal diet; MSM, basal diet + methyl sulfonyl methane; SS, basal diet + sodium sulfate. 3 SEM, standard error of the mean.