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The aggregate protection method of culturing the hard clam, Mercenaria mercenaria
Castagna, M.; Kraeuter, J.N. (1976). The aggregate protection method of culturing the hard clam, Mercenaria mercenaria, in: Persoone, G. et al. (Ed.) Proceedings of the 10th European Symposium on Marine Biology, Ostend, Belgium, Sept. 17-23, 1975: 1. Research in mariculture at laboratory- and pilot scale. pp. 33
In: Persoone, G.; Jaspers, E. (Ed.) (1976). Proceedings of the 10th European Symposium on Marine Biology, Ostend, Belgium, Sept. 17-23, 1975: 1. Research in mariculture at laboratory- and pilot scale. European Marine Biology Symposia, 10(1). IZWO: Wetteren. ISBN 90-6281-001-2. 620 pp., more
In: European Marine Biology Symposia., more
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Document type: Conference paper
Keyword
    Marine/Coastal
Authors  Top 
  • Castagna, M.
  • Kraeuter, J.N.
Abstract
    A low technology method utilizing hatchery-raised seed clams and field grow-out techniques is presented. This technique, adaptable to other infaunal species, is economically feasible and can be taught to most individuals within 1 week. The system uses the Wells-Glancy (centrifuged, incubated seawater) method for raising food for the larval clams. The larvae set in 8-10 days and are supplied with natural seawater until they reach 2 mm. The 2 mm individuals are placed in nursery plots and protected from predation by a layer of gravel or aggregate. Movement of the small clams is prevented by a system of baffles. Field survivals of a test group of 600,000 clams approached 80 %. Cost of raising the clams for the first year are included.
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