EXTENDCELL ONE PART is a cryopreservative for small ruminant (sheep, goat) semen processing. EXTENDCELL is a concentrated stock solution containing tris buffer, citric acid, fructose and glycerol. EXTENDCELL ONE PART has the ideal glycerol concentration and is packaged in a user friendly size. EXTENDCELL ONE PART contains an antibiotic ideal for semen preservation. Note: Water and egg yolk must be added prior to the addition of the semen (see mixing directions). Final preparation of extender should be preformed just prior to use.