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Growth and water quality for growing-out of juvenile spotted Babylon, Babylonia areolata, at different water-exchange regimes in a large-scale operation of earthen ponds
Kritsanapuntu, S.; Chaitanawisuti, N.; Natsukari, S.Y. (2009). Growth and water quality for growing-out of juvenile spotted Babylon, Babylonia areolata, at different water-exchange regimes in a large-scale operation of earthen ponds. Aquacult. Int. 17(1): 77-84. https://dx.doi.org/10.1007/s10499-008-9182-x
In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X
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| Trefwoorden |
Population functions > Growth
Survival
Babylonia areolata (Link, 1807) [WoRMS]; Gastropoda [WoRMS]
Marien/Kust |
| Author keywords |
Babylonia areolata; Growing-out; Water-exchange regimes; Earthen ponds;Growth; Survival |
| Auteurs | | Top |
- Kritsanapuntu, S.
- Chaitanawisuti, N.
- Natsukari, S.Y.
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| Abstract |
Growth and water quality for growing-out of juvenile spotted Babylon, Babylonia areolata, were determined at three water-exchange regimes of 7-, 15- and 30-day intervals in large-scale operation of earthen ponds over a 5-month period. Results showed that growth was significantly different among the water-exchange treatments (P < 0.05). The higher body weight gains and shell length increments were observed in snails held at water exchange of 7- and 15-day intervals when compared with those held at water exchange of 30-day intervals. At the end of the experiment, average body weight gains were 4.22, 3.73 and 2.77 g for snails held in water-exchange treatments of 7-, 15- and 30-day intervals, respectively, and 16.63, 15.04 and 13.78 mm for those of shell length increments, respectively, The average final survivals were 83.60, 80.90 and 74.20% for snails held in water-exchange treatments of 7-, 15- and 30-day intervals, respectively. Seawater temperature, salinity, pH, dissolved oxygen, nitrite-nitrogen and ammonia-nitrogen had gradually changed throughout the culture period for all water-exchange treatments. With one exception, the total alkalinity showed the greatest changes during the culture period for all water-exchange treatments ranging from 58.67-97.50 mg/l. |
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