Inderscience Publishers

Effect of different water temperatures and pH on the growth, specific growth rate and feed conversion efficiency of spawn to fry of common carp, Cyprinus carpio

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Courtesy of Inderscience Publishers

A study was conducted on Cyprinus carpio spawn (0.002±0.00 g) to determine optimum water temperature and pH. For this purpose, four water pH (5.5, 6.5, 7.5 and 8.5) were selected and each one exposed to three water temperatures (26, 28 and 30°C) for 91 days. The maximum weight gain (3.279±0.84 g), feed conversion efficiency (FCE) (86.49±0.64%) and survival (97±3.85%) were recorded with pH 7.5 at water temperature 26°C. However, growth at 7.5 pH under temperatures 26, 28 and 30°C was statistically insignificant indicating that water temperature does not have much influence on the growth of C. carpio fry and they can adopt temperature variations.

Keywords: Cyprinus carpio spawn, water pH, SGR, specific growth rate, FCE, feed conversion efficiency, water temperature, common carp

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