The ratio of volume of sperm to volume of milt is called:

Correct option is D

Correct Answer: (d) Spermatocrit value
Explanation:
→ Spermatocrit value measures sperm volume relative to total milt volume using centrifugation.
→ Indicates sperm concentration and reproductive performance.
Information Booster:
→ Higher spermatocrit = higher fertilization potential.
→ Used in broodstock management for dose standardization.
→ Quick and reliable assessment tool in aquaculture hatcheries.
Additional Information:
(a) Sperm density is related but not defined as a ratio.