. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1999 Asiatic Herpetological Research Vol. 8, p. 83 y = + + r' = v2P 2 O. Temperature CC) Figure 2. Relationship between the daily growth rate, GR (g/day) of a turtle with a standard body weight of 40 g and water temperature. stansburiana (Waldschmidt et al. 1986) and Takydro- mus septentrionalis (Ji et al. 1993), and the southern catfish (Silurus meridionalis) (Xie and Sun 1992). This study indicates that effects of temperature on food consumption and growth o
. Asiatic herpetological research. Reptiles -- Asia Periodicals; Amphibians -- Asia Periodicals. 1999 Asiatic Herpetological Research Vol. 8, p. 83 y = + + r' = v2P 2 O. Temperature CC) Figure 2. Relationship between the daily growth rate, GR (g/day) of a turtle with a standard body weight of 40 g and water temperature. stansburiana (Waldschmidt et al. 1986) and Takydro- mus septentrionalis (Ji et al. 1993), and the southern catfish (Silurus meridionalis) (Xie and Sun 1992). This study indicates that effects of temperature on food consumption and growth of soft-shelled turtles resemble that of most fishes (Brett and Groves 1979) and some lizards. More comparative studies should be conducted for other reptile species. The body weight has a double logarithm relation- ship with Cmax, and the slope of the regression line is This value is very similar to the exponent b value in the metabolic rate to body weight regression line for turtles (Bennett and Dawson 1976). This phenomenon suggests that food consumption is related to metabolic rate of the turtle. As energy loss through metabolism is a large component in the energy budget, metabolism level may affect energy intake to remain an effective budget. Studies on the relationship of food consumption and metabolic rate are recommended. Perhaps the maximum consump- tion rate can be defined as an index of daily metabo- lism level of the animals. The gross conversion rate, CE is a reflection of the consumed energy alloted to body growth. Our work showed that under 109 g body weight, CE values of the juvenile turtles were similar. Temperature has a distinct effect on CE. The relatively high CE (59%) at 22 °C may be explained by the distinctly low meta- bolic cost at a low temperature. From 26-32 °C, CE was relatively similar, but declined at 35 °C. Smith et al. (1981) found that for juvenile walleye pollock (Theragra chalcogramma), CE was higher at colder temperatures. Cui e
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