Fig. 5From: Resveratrol and lycium barbarum polysaccharide improve Qinling giant panda (Ailuropoda melanoleuca Qinlingensis) sperm quality during cryopreservationImprovements in fertilizing capability in giant panda spermatozoa. (A) Sperm HAase content determined by ELISA. (B) Acrosin activity of spermatozoa measured by ELISA. All the experimental values are shown as the means ± SEM of three repeats. Letters a, b and c indicate significant difference levels, P<0.05.Back to article page