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Posted by billy_darke86 on April 25, 2003 at 10:33:41:
In Reply to: for edward or anyone else that knows what they mean posted by Edward on April 24, 2003 at 21:03:58:
:Sperm viability refers to their ability to continue to live.
:Retention of sperm is a possible way in which eggs can be fertilized a long time after copulation by the female's keeping of the sperm in her reproductive tract.
THANBKS FOR YOUR HELP.