Although the technology applies to all the three species of mud crab (Scylla serrata, S. tranquebarica, and S. olivacea) available in the Philippines, S. serrata or the giant/king crab has been the focus of culture in the hatchery/nursery and grow-out pond due to its economic viability. Procedure: Obtain healthy adult crabs 500-700 g for S. serrata and 320-500 g for S. tranquebarica and S. olivacea with orange ovaries (‘aligi’) and complete legs as source of broodstock from ponds or traders. Put crabs in an empty basin and pour seawater over them slowly. Transfer crabs to basin containing 150 ppm formalin for 30 minutes to disinfect. Transfer crabs in tanks provided with sand substrate. Feed crabs with mussel, fish and/or marine …
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