Fig. 5From: Freeze-thawing impairs the motility, plasma membrane integrity and mitochondria function of boar spermatozoa through generating excessive ROSApoptosis of sperm was detected by flow cytometry (a) and western blot (b). Data are presented as the means ± SE (n = 3). * P < 0.05, ** P < 0.01 VS the extension period of control group; # P < 0.05, ## P < 0.01 VS the thawed 30 min or thawed 240 min period of NAC groupBack to article page