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11.2. Brood-stock development
Unit 11 - Breeding of grey mullet
11.2. Brood-stock development
- M. cephalus broodstock is raisedin rectangularcement tanks in the presence of benthic algae and plankton and artificial feed.
- Female brooders are selected based on ova-diameter.
- Females that possess eggs having a diameter of 600 µm or more are selected for injection.
- Gonadal development is synchronous and six stages gonadal maturity are found.
- Mature brooders of 4-6 years are preferred
- Does not spawn naturally in captivity.
- Spawns naturally in open sea during May-August.
- Difficult to identify ripe brooders based on morphological characters
- Fecundity : one million/kg b.w.
Last modified: Monday, 20 June 2011, 9:35 AM