july 08 Sex Ratio Manipulation – For aquaculture or stocking, it may be desirable to use only one sex due to differences in growth rate or characteristics concerned with maturity and reproduction, – Sex ratio can be manipulated either directly… Read moregenetic manipulation in fish

july 08 Sperm: – Strip milt from males, – dilute sperm in 0.85% NaCl (1/200 dilution and then 1/4000 dilution), – count all of the sperm in 5 blocks (5×5) of hemacytometer, – calculate sperm concentration (10^10)=(total count/80)x4000Ax4000Bx1000C (A :… Read moregenetic manipulation in practice

july 07 …….under corrected…….