, Volume 22, Issue 1, pp 83-88

Effects of body weight and water temperature on maximum food consumption of juvenileSebastodes fuscescens (Houttuyn)

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Maximum rate of food consumption (C max) was determined for juvenileSebastodes fuscescens (Houttuyn) at water temperature of 10, 15, 20 and 25°C. The relationships ofC max to the body weight (W) at each temperature were described by a power equation: InC max=a+b InW. Covariance analysis revealed significant interaction of the temperature and body weight. The relationship of adjustedC max to water temperature (T) was described by a quadratic equation:C max=−0.369+0.456T−0.0117T 2. The optimal feeding temperature calculated from this equation was 19.5 °C. The coefficients of the multiple regression estimation relatingC max to body weight (W) and water temperature (T) were given in the Table 2.

Contribution No. 4446 from the Institute of Oceanology, Chinese Academy of Sciences. This research was financially supported by the NSFC (No. 30000125), the Knowledge Innovation Key Projects of CAS (KZCX-SW-211). Funds for Major State Basic Research Projects (No. G1999012012), the Chinese Postdoctoral Foundation, and K. C. Wang Postdoctoral Foundatior Chinese Academy of Sciences.