Effects of Supplementation Substances on Survival Rate of Lutraria Rhynchaena During Seed Transportation

Ngo Thi Thu Thao, Le Quang Nha, Tran Nguyen Duy Khoa and Tran Nguyen Hai Nam
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Ngo Thi Thu Thao: College of Aquaculture & Fisheries, Cantho University, Vietnam
Le Quang Nha: College of Aquaculture & Fisheries, Cantho University, Vietnam
Tran Nguyen Duy Khoa: College of Aquaculture & Fisheries, Cantho University, Vietnam
Tran Nguyen Hai Nam: College of Aquaculture & Fisheries, Cantho University, Vietnam

International Journal of Research and Scientific Innovation, 2023, vol. 10, issue 10, 276-281

Abstract: This study was conducted to evaluate the effects of Chaetoceros algae and other substances (glucose, active char coal and Oxygen balls) on the survival rate of otter clam Lutraria rhynchaena during transportation and after 20 stocking days. Juvenile clams were packed in nylon bags (2 L of seawater 30‰) with the density of 300 ind./L and preserved during 24 hours at stable temperature of 25oC. Results showed that total ammonium concentration increased abruptly after 24 hours in the treatments without supplements. Adding glucose and Oxygen tablets resulted in higher algal clearance rate of otter clams (70.4 – 75.0%), these levels were significantly higher than those from others (p

Date: 2023
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