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Contents Fertility of extended boar semen declines within the first 72 h of storage in vitro. Standard semen assessment, such as motility and membrane integrity, allows detection of lethal damage of spermatozoa. However, conventional sperm assessment often lacks standardization and does not allow identification of sub-lethal changes of sperm quality during the initial 72 h of storage. In the present brief review, recent strategies for quality assessment of liquid preserved boar semen are discussed and basic implications for experiments designed to detect storage effects are given. |
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