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  • Philippines : In the forefront of the mud crab industry development : Proceedings of the 1st National Mud Crab Congress
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  •   SEAFDEC Institutional Repository (SIR)
  • 01 SEAFDEC Publications
  • 11 Conference Proceedings
  • SEAFDEC/AQD
  • Philippines : In the forefront of the mud crab industry development : Proceedings of the 1st National Mud Crab Congress
  • View Item
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Recent developments and enhancing transfer of the nursery technology for the mud crab Scylla serrata

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Date
2017
Author
Parado-Estepa, Fe D.
Alava, Veronica
Garibay, Esteban
Bejemino, Churchill
Sumile, Jony
Silvestre, Jenalyn
Quinitio, Emilia T.
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Abstract
The development of hatchery techniques for seed production of mud crab is expected to address the present problem on the depletion of wild seedstock supply for stocking in grow-out ponds. The nursery serves as the link between the two phases of culture as this involves growing of juvenile crabs produced in the hatchery to sizes that are suitable for stocking in the ponds.

Nursery rearing involves the use of net cages installed in ponds as holding system for ease in harvest and retrieval of crabs. In the first nursery phase, 0.3-0.5 cm carapace width (CW) juvenile crabs are reared to 1.5-2.0 cm CW for 3-4 weeks and stocks are harvested for selling or are grown further in a second nursery phase in which crabs reach 2.5-3.0 cm after another 3-4 weeks. This paper includes a review of techniques initially developed for the nursery and more recent refinements which involve the use of higher crab instar densities, provision of suitable shelters, trimming of claws and sorting. In addition, production results in farms of collaborators are presented to highlight the efficiency of dissemination and also discusses the challenges faced by the potential nursery industry.
URI
http://hdl.handle.net/10862/3170
Suggested Citation
Parado-Estepa, F. D., Alava, V. R., Garibay, E., Bejemino, C., Sumile, J., Silvestre, J., & Quinitio, E. T. (2017). Recent developments and enhancing transfer of the nursery technology for the mud crab Scylla serrata. In E. T. Quinitio, F. D. Parado-Estepa, & R. M. Coloso (Eds.), Philippines : In the forefront of the mud crab industry development : proceedings of the 1st National Mud Crab Congress, 16-18 November 2015, Iloilo City, Philippines (pp. 13-21). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.
Subject
Aquaculture; Cage culture; Crab culture; Harvesting; Hatcheries; Instars; Juveniles; Larval development; Marine crustaceans; Rearing; Seed (Aquaculture); Seeding (aquaculture); Seed production; Stocking (organisms); Scylla serrata; Philippines
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  • Philippines : In the forefront of the mud crab industry development : Proceedings of the 1st National Mud Crab Congress [44]

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