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The article presents a study which investigates the effects of nonomaterials rhodiola sachalin ensis polysaccaride (NRSP) on boar semen cryopreservation. The study examined the integrity rate of sperm acrosome, sperm motility, and the quality of boar semen cryopreservation. Results showed that the addition of NRSP, significant differences between control groups and experiment in motility, the acrosome integrity and the membrane integrity of boar sperm are noted.