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Growth and Survival on Enrichment of Larvae and Early Spats of the Hard Clam, Meretrix petechialis
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  • Journal title : The Korean Journal of Malacology
  • Volume 27, Issue 4,  2011, pp.353-358
  • Publisher : The Malacological Society of Korea
  • DOI : 10.9710/kjm.2011.27.4.353
 Title & Authors
Growth and Survival on Enrichment of Larvae and Early Spats of the Hard Clam, Meretrix petechialis
Kim, Byeong-Hak; Cho, Kee-Chae; Jee, Young-Ju; Byun, Soon-Gyu; Kim, Min-Chul;
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This study is the result of examining the growth and survival rate of larva and spat when supplied with Enriched live food by adding , chitosan, PSB, and polysaccharides to microalgae (Chaetoceros gracilis, Isochrysis galbana) to raise the survival rate of larva and spat during artificial clam seed production. Microalge (Chaetoceros gracilis, Isochrysis galbana) was strengthened for nutrition with 0.1 ppm, chitosan 0.2 ppm, PSB 3 ppm and polysaccharides 1 ppm and was daily supplied for and the growth and survival rates were measured. As the result of experiment, the growth of larva did not show much difference with PSB test section , test section , and chitosan , survival rate was highest at PSB test section with 99.3%, followed by test section 95.9%, and chitosan 94.5%. Growth of early spat was the highest for PSB test section at , followed by polysaccharides , , and chitosan , and the survival rate was the highest for PSB test group at 32.1%, followed by test section 31.6%, chitosan 28.5%, and polysacharrides 21.4%. From such results, PSB is found to be very effective with low-quality improvement when breeding early spat of clams, and especially for floor-type early spat breeding, it had the effect of suppressing protozoan and germs so that detailed studies from various perspectives should be conducted with various chemicals in the future.
Hard Clam;Spats;Live Food;Meretrix petechialis;
 Cited by
말백합, Meretrix petechialis (LAMARCK) 초기치패의 저질개선제 종류에 따른 성장 및 생존,김병학;조기채;변순규;김민철;지영주;

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