Abstract
Short-term storage and management of milt are crucial parts of hatchery practice. There is speculation that sperm stored in a small Eppendorf could not retain their optimal performance compared to those stored in a 50 ml cell culture flask (CCF), thus raising the question of discrepancy between laboratory and hatchery conditions. Therefore, this study aimed to compare sperm quality parameters, such as osmolality and the ionic composition of seminal plasma, spermatozoa motility and its ability to maintain the volume under various osmotic conditions (310, 230, 150, 90, and 20 mOsm/kg) in fresh sperm and after its storage for 24 h in 1.5 ml Eppendorf or 50 ml CCF at 4 °C without any extender. Freshly collected sperm had higher motility percentages at each osmotic condition than 24 h stored sperm in Eppendorf and CCF. There was no significant difference in spermatozoa motility at various osmotic conditions except 90 mOsm/kg osmolality. Besides, VCL, VSL, VAP, and LIN of spermatozoa, osmolality, and ionic composition of seminal plasma did not significantly differ between these two containers. This study suggested no difference between sperm stored in an Eppendorf or CCF regarding sperm functionality.
Published Version
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