Effect of temperature on energy budget of Taiwanese red tilapia hybrid (Oreochromis niloticus?O.mossambicus)

Abstract

Abstract: The energy budget of Taiwanese red tilapia hybrid (Oreochromis niloticus × O.mossambicus)with a body weight of 25.33～26.23g was measured at salinity 14 and at water temperature 22,28 and 34℃ in July-August 1996.The results showed that its specific growth rate,conversion effciency and maximum food consumption were significantly affected by temperature,and reached peaks of 1.79,60.01% and 2.59%B.W.d^-1 at 28℃.The effect of temperature on the absorption efficiency was not significant,with an average absorption efficiency 64.58%.The effect of temperature on the proportions of food energy allocated to each component of the energy budget was significant.The ratio of growth energy was the highest(26.4%) at temperature 28℃,and that of metabolism energy was 37.23%.

LEI Sijia, LI Deshang. Effect of temperature on energy budget of Taiwanese red tilapia hybrid (Oreochromis niloticus?O.mossambicus)[J]. Chinese Journal of Applied Ecology, 2000, (4): 618-620.

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