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Oyster and mussel farming in Western Visayas, Philippines

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na_2114.pdf (358.8Kb) Open Access
Date
1992
Author
Samonte, Giselle P. B.
Page views
5,461
ASFA keyword
oysters ASFA
oyster culture ASFA
mussel culture ASFA
shellfish culture ASFA
shellfish ASFA
AGROVOC keyword
mussels AGROVOC
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Abstract
The slipper oyster (talaba) and the green mussel (tahong) are the only mollusc species farmed in the Philippines. They are farmed for their meat, and consumption is mainly for the domestic market. The Western Visayas region, situated in central Philippines (Fig. 1), is one of the major sources of oysters and mussels. Natural population of oysters and mussels along rivers and bays and the need to augment income from fishing have led to the proliferation of oyster and mussel farms. Their farming started as early as the 1950s. Today, an estimated 2,000 coastal families engage in mollusc farming in the region.
URI
https://hdl.handle.net/20.500.12348/3023
Suggested Citation
Samonte, G. P. B. (1992). Oyster and mussel farming in Western Visayas, Philippines. Naga, 15(3), 46-48. https://hdl.handle.net/20.500.12348/3023
Type
magazineArticle
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  • Newsletter Articles [7]

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    Polyculture of green mussels, brown mussels and oysters with shrimp control luminous bacterial disease in a simulated culture system 

    Tendencia, Eleonor ORCID (Elsevier, 2007)
    Shrimp mortality due to luminous bacteria has been a problem of the shrimp industry worldwide. Polyculture of shrimp with finfish, such as grouper, seabass, snapper, siganid, Tilapia hornorum, and the Genetically Improved Farmed Tilapia (GIFT), could control the growth of luminous bacteria. One way to reduce adverse environmental impact and to reduce bacterial count is through the use of bivalves to filter pond effluents. This study investigated the effect of several bivalves on the growth of luminous bacteria in a simulated shrimp culture environment using concrete tanks. Tanks were stocked with shrimp at a biomass of 100 g/m3 and with brown mussel (158 pcs/m3), green mussel (137 pcs/m3), or oyster (376 pcs/m3). Growth of luminous bacteria decreased to below 101 cfu/ml in tanks with green mussel after 5 d, brown mussel after 16 d, and oyster after 17 d. Bivalves, such as green and brown mussels, and oyster, could be used as an alternative species for polyculture with shrimp to control disease due to luminous bacteria.
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    Socio-economics of oyster and mussel farming in Western Visayas, Philippines 

    Samonte, Giselle P. B.; Siar, Susana V.; Ortega, Rolando S.; Espada, Larni T. (Asian Fisheries Society, 1994)
    Among the economically important bivalves, the slipper oyster (Crassostrea iredalei) and green mussel (Perna viridis) are predominantly being farmed in the Philippines. Oyster and mussel farms in the Western Visayas region have increased because of the need for supplementary sources of income brought about by the dwindling catch of small-scale fishermen. Socio-demographic and costs and returns data were gathered from 175 oyster and mussel farmers using a combination of rapid rural appraisal techniques and a pre-tested questionnaire. Oyster and mussel farms, less than 1000 m2, were located among fish capture devices in rivers and bays. The oyster and mussel farmers belong to the marginalized sector of society with about 30% of total household income derived from oyster and mussel farming. Problems encountered by oyster and mussel farmers included poaching, mortality due to siltation or sedimentation and pond effluents, no spat, lack of financing, and lack of buyers. This study recommends that oyster and mussel farmers form cooperatives to effectively market their produce and avail of financing, and research on the non-occurrence of spat.
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    Farming of mussels and oysters 

    Sitoy, Hermenegildo S. (Aquaculture Department, Southeast Asian Fisheries Development Center, 1988)
    This paper reviews the works on mussel and oyster culture conducted from 1975 to 1985 by the Southeast Asian Fisheries Development Center Aquaculture Department at Tigbauan, Iloilo, Philippines. Innovative techniques developed in increasing collection of natural seeds and in improving farming techniques are presented. Results of the work on artificial seed production, bacterial depuration, uptake and elimination of heavy metals by green mussel, investigations on red tides, and microbiology of spoilage are discussed.

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