Effects of Water Depth and Water Flow Duration on Growth and Survival of Juvenile Spotted Babylon (Babylonia areolata) Cultured in a Flow-Through System

Autor:	Wannanee Santaweesuk, Nilnaj Chaitanawisuti, Sirusa Kritsanapuntu
Rok vydání:	2010
Předmět:	Ecology biology Water flow Growth data Babylonia areolata Relative weight Snail Aquatic Science biology.organism_classification Water depth Animal science biology.animal medicine Juvenile medicine.symptom Weight gain
Zdroj:	Journal of Applied Aquaculture. 22:11-17
ISSN:	1545-0805 1045-4438
DOI:	10.1080/10454430903539079
Popis:	Eight growth trials of juvenile B. areolata at different water depths (20 and 50 cm) and water flow durations (6, 12, 18, and 24 h) were conducted in a flow-through culture system over 5 months. One-way ANOVA performed on each growth data set showed that there were significant differences among water depth (WD) and water flow duration (WFD) treatments (P < 0.05). The highest weight gain (6.29 g /snail) was found in snails reared in the treatment of WD50 /WFD24, followed by those from WD50 /WFD18 (6.15 g/snail), WD50/WFD12 (5.90 g/snail), WD50 /WFD6 (5.83 g/snail), WD20 /WFD24 (5.86 g/snail), and WD20 /WFD18 (5.87 g /snail), while the lowest one was found in WD20 /WFD6 (5.52 g/snail) and WD20 /WFD12 (5.57 g/snail). The relative weight gain (RWG) and individual weight gain (IWG) of the snails showed similar trends as the weight gain. Final survival exceeded 95% for all treatments. Based on all criteria, the best growth performances of juvenile spotted babylon were found in the WD50 /WFD18 and WD50...
Databáze:	OpenAIRE
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