Effects of Selected Levels of Water pH on the Growth and Survival of Swordtail (Xiphophorus helleri) Larvae
Effects of Selected Levels of Water pH on the Growth and Survival of Swordtail (Xiphophorus helleri) Larvae
Date
2010
Authors
Sapkale, P.H.
Singh, R.K.
Desai, A.S.
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Israeli Journal of Aquaculture - BAMIGDEH
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Abstract
Larvae of swordtail (Xiphophorus helleri) were exposed to pH levels of 5.5, 6.0, 7.0, 8.0, and 8.5 to study growth and survival under laboratory conditions for 42 days. The larvae were fed formulated dry pellets at 7% of their body weight. The growth and survival rates were highest at pH 8.0 and 8.5, while mortality was complete at pH 5.5. In all treatments, the specific growth rate was higher in the first week and decreased in subsequent weeks. Thus, for swordtail larvae, the pH of the water should be between 8.0 and 8.5.
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Keywords
swordtail (Xiphophorus helleri), growth, survival, larvae, water pH,
Fish culture--Israel--Periodicals.,
Fish culture--Periodicals.,
Aquaculture--Israel--Periodicals.,
Aquaculture--Periodicals.
Citation
Sapkale, P.H., Singh, R.K., & Desai, A.S. (2010). Effects of Selected Levels of Water pH on the Growth and Survival of Swordtail (Xiphophorus helleri) Larvae. The Israeli Journal of Aquaculture - Bamidgeh, 62(1), 38-42.
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5 pages
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