FISH BREEDING. MTB7, Sadia Tahir. FISH BREEDING. Brood Fish Care Brood fish should be raised and maintained with the stocking rate of 400 to 500 kgs /acre. It is preferable to stock 400 kgs fish/acre. Different species of fish should be kept in different ponds.
Quantity of eggs
Hand stripping is commonly used for taking the spawn of many species of fish. Brood fish are separated by sex prior to hormone injection to prevent spawning in the holding-tank. It is important to determine the exact time of ovulation when hand stripping.
also causes the opening through
which the sperm enters the egg
(micropyle) to close. For many
fish, this closure takes place within
only 45 to 60 seconds