1. The medium for sperm preservation, comprising an inorganic pyrophosphate (PPi) .2. The medium for sperm preservation according to Claim. 1, wherein the concentration of PPi is between about 1 pM and about 200 mkM.3. The medium for sperm preservation according to Claim. 1, wherein the concentration of PPi is between about 1 pM and about 20 mkM.4. The medium for sperm preservation according to Claim. 1, wherein the concentration of PPi is approximately 10 mkM.5. The medium for sperm preservation according to Claim. 1, wherein said medium for preserving sviney.6 used for preserving sperm. The medium for sperm preparation, comprising an inorganic pyrophosphate (PPi) .7. The medium of claim. 6, wherein the concentration of PPi is between about 1 pM and about 200 mkM.8. The medium of claim. 6, wherein the concentration of PPi is between about 1 pM and about 20 mkM.9. Medium for fertilization in vitro (IVF) or artificial insemination (AI), comprising an inorganic pyrophosphate (PPi) .10. The medium of claim. 9, wherein the concentration of PPi is between about 1 pM and about 200 mkM.11. The medium of claim. 9, wherein the concentration of PPi is between about 1 pM and about 20 mkM.12. Method sperm seksinga comprising: (a) separation of the mixed slurry of spermatozoa in the first culture medium for a population of spermatozoa carrying the x-chromosome or y-chromosome by eluting medium (b) preservation of sperm carrying the x-chromosome or y-chromosome in the second culture medium, wherein inorganic pyrophosphate (PPi) is added to the first culture medium, or in the eluting medium to the second medium kultivirovaniya.13. The process of sperm preservation, sperm comprising storage media containing an inorganic pyrophosphate (PPi) .14. The method of claim.1. Среда для консервации спермы, содержащая неорганический пирофосфат (PPi).2. Среда для консервации спермы по п. 1, где концентрация PPi находится в пределах примерно между 1 мкМ и примерно 200 мкМ.3. Среда для консервац
