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Effects of quercetin and kaempferol on the expression of ROS and SOD in Sertoli cells induced by heat stress (DCFH-DA was used to detect the changes of ROS content in Sertoli cells (×200) (A), changes in SOD activity of Sertoli cells after dry preheating stress treatment with quercetin and kaempferol (B). Data are shown as mean ±SEM (n = 3 per group.).
