Fig. 5From: Transcriptome analysis of the effect of pyrroloquinoline quinone disodium (PQQ·Na2) on reproductive performance in sows during gestation and lactationEffects of dietary PQQ·Na2 supplementation during gestation and lactation on antioxidant status in milk of sows. Con, control treatment; PQQ, PQQ·Na2 treatment; a CAT, catalase; b SOD, superoxide dismutase; c MDA, malondialdehyde; d GSH-Px, glutathione peroxidase. All values are expressed as means ± SEM (n = 8). a, b Mean values within a column with unlike superscript letters were significantly different (P < 0.05)Back to article page