Resveratrol Improves Boar Sperm Quality via 5AMP-Activated Protein Kinase Activation during Cryopreservation
Photomicrographs of the postthaw sperm stained with the Annexin V-FITC/PI assay kit: live sperm (AN-/PI-; blue arrow), early apoptotic sperm (AN+/PI-; white arrow), late apoptotic sperm (AN+/PI+; yellow arrow), and nonviable necrotic sperm (AN-/PI+; black arrow) (a). Effects of different concentrations of resveratrol on postthaw sperm apoptosis (b–h). Data are the ( independent replicates). Columns with different uppercase letters differ significantly ().