Growth, fatness and gross biochemical composition of the Japanese oyster, Crassostrea gigas, in Stanway cylinders in the Bay of Arcachon, France |
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Authors: | Ren Robert Gilles Trut Michel Borel Danile Maurer |
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Institution: | a Institute Français de Recherche pour l'Exploitation de la Mer, Laboratoire Physiologie Microbiologie Diversification Conchylicole. Centre de Brest, Plouzané, France b Institut Français de Recherche pour l'Exploitation de la Mer, Quai du Commandant Silhouette, Arcachon, France |
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Abstract: | A new method of oyster cultivation, the Stanway oyster cylinder, has been investigated in the Bay of Arcachon since 1989. A comparative study was carried out between the growth of spat and 18-month-old Crassostrea gigas oysters, in cylinders and in traditional bags. The growth in height and in whole weight was lower in cylinders. In contrast, the tests showed a better quality of the meat, with higher condition index and higher carbohydrate content, and a better quality of the shell, with higher density and better shape. Therefore, because of the improvement in oyster quality, the use of the cylinder seems to be advantageous for the Arcachon oyster industry. |
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