PERMEABILITY OF STERLET SPERM MEMBRANES (ACIPENSER RUTHENUS L., 1758) FOR WATER MOLECULES
Purpose.The literature analysis of the results cryopreservation of different fish species highlights a variation of many parameters, in particular the sperm survival rate during the freezing and unfreezing process.The survival capability of spermatozoa may be called the main parameter, which indentifies the efficiency of the entire process of low t