Cultivos de moluscos bivalvos
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Bivalve culture in Argentina is beginning to develop commercially. Research was carried out at the North Patagonian gulfs (San Matias, San Jose and Nuevo)and focused three native species: the tehuelche scallop Aequipecten tehuelchus, the puelche oyster Ostrea puelchana and the common mussel Mytilus edulis platensis. Results achieved on each of these three species were different. In the case of scallops, the development of commercial aquaculture did not seem promising for many years due to the fact that production was sustained by natural populations: the dredge fishery of the San Matias Gulf and the diving fishery of the San Jose Gulf. Preliminary culture experiments dealt with larval fixation on artificial collectors and growth to commercial size on suspended system. The current collapse of the fisheries of this species in Patagonia revitalized the aquaculture perspective, stimulating the innitiation of projects dealing with spat production in hatchery. Research carried out with the p.....