The 70kDa Heat Shock Protein (HSP70) is an anti-apoptotic protein that has been reported to be relevant to sperm survival. Thus, we explored the role of HSP70 during prolonged storage of pig semen at 17掳C. Six semen pools were incubated with YM-1 (0, 0.05, 0.1 and 0.2渭M), an ...