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Breeding and culture of the polychaete, Marphysa mossambica, as feed for the mud crab

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Date
2017
Author
Alava, Veronica R.
Biñas, Joseph B.
Mandario, Mary Anne ORCID
Page views
46,515
ASFA keyword
aquaculture ASFA
aquaculture techniques ASFA
brackishwater aquaculture ASFA
brackishwater environment ASFA
breeding stock ASFA
crab culture ASFA
feeds ASFA
feeding ASFA
feeding experiments ASFA
growing ponds ASFA
invertebrate larvae ASFA
marine crustaceans ASFA
marine invertebrates ASFA
nutrition ASFA
pond culture ASFA
reproduction ASFA
stocking density ASFA
survival ASFA
AGROVOC keyword
Scylla serrata AGROVOC
Philippines AGROVOC
Taxonomic term
Scylla serrata GBIF
Marphysa mossambica GBIF
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Abstract
Marine worms (Annelida: Polychaeta) are considered as important food for crustacean broodstock because they contain hormones and correct balance of essential nutrients for reproduction. Marphysa mossambica (Peters, 1854) occurs in muddy coastal areas and is abundant in fish farms where it builds burrows in nutrient-rich sediments. This species encapsulates their eggs and larvae in gelatinous masses (jelly cocoons). It is a multiple spawner, and breeders are repeatedly spawning in tanks. Culture techniques have also been developed and established in tanks. Based on dry weight, cultured M. mossambica contained 62-66% crude protein and 7-12% lipids with levels of highly unsaturated fatty acids (HUFAs) such as arachidonic (20:4n-6), eicosapentaenoic (20:5n-3) and docosahexaenoic acid (22:6n-3) at 0.2-0.5%, 0.2-0.3% and 0.3-0.5%, respectively. Stocks were monitored for the presence of white spot syndrome virus (WSSV) using polymerase chain reaction-based diagnostic methods. The WSSV-free polychaetes mass-produced in tanks were utilized as live food for mud crab S. serrata broodstock. Mud crab broodstock fed natural food (mussel, fish, and squid) with live Marphysa on daily feed rotation produced higher number of crab zoeae, larval survival, total lipids and HUFAs than those fed natural food without live Marphysa. Production of nutrient-rich WSSV-free polychaetes in captivity can play a significant role in supporting crustacean hatcheries that supply seeds to the nursery and grow-out.
URI
http://hdl.handle.net/10862/3197
Suggested Citation
Alava, V. R., Biñas, J. B., & Mandario, M. A. E. (2017). Breeding and culture of the polychaete, Marphysa mossambica, as feed for the mud crab. 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. 39–45). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.
Type
Conference paper
ISBN
9789719931072
Collections
  • Philippines : In the forefront of the mud crab industry development [44]

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