Seasonal changes in biochemical composition of the mangrove oyster, crassostrea roupa (lamarck) occurring in two coastal water bodies in Ghana
1991
Yankson, K., Department o/Zoology, University o/Cape Coast, Ghana | Plahar, W.A., Food Research Institute CSIR, Accra, Ghana | Obodai, E.A., St Augustines College, Cape Coast, Ghana
The meatcondition and biochemicalcompositionof the mangroveoyster,Crassostrea tulipa ( Lamarck) were investigated in two water bodies on the coast of Ghana from May 1988 to April 1989. Both the lagoon and estuarine oysters maintained moderate to high CGnditionfor at least eight of the 12months study period, but the lagoon oysters had a higher annual mean condition index. Protein, fat, carbohydrate and ash content of the Ghanaian oyster were comparablewith those of other commercial bevalves elsewhere. The results also indicate that the local oyster could serve as a year round rich source of calcium, iron and phosphorus. It is concluded that the nutritional value of the species is high in both populations and that the lagoon could be a favoured site for large-scale cultivation
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