Hye shark
The World Health Organisation has defined what constitutes fertile sperm:
Volume of sperm 2.0 millilitres
pH. 7,2 - 8
Number of spermatozoa 20 million per millilitre
Mobility of spermatozoa 50% motility
Morphology of spermatozoa 50% of normal shape
Vitality of spermatozoa 75% alive
Agglutinants Absent
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