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Growth of Juvenile Red-eared Turtles as influenced by Gravitational Field Intensity

Abstract

PREVIOUS investigations have shown that, although sufficiently high gravity as simulated by continuous centrifugation can retard growth of certain organisms, a moderate increase in the gravitational field intensity can sometimes slightly enhance growth1–3. A similar pattern is reported here for juvenile red-eared turtles (Pseudemys scripta elegans). However, a more dramatic growth enhancement was obtained during moderate centrifugation than had been obtained with other forms.

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References

  1. Gray, S. W., and Edwards, B. F., J. Cell. and Comp. Physiol., 46, 97 (1955).

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  2. Wunder, C. C., Herrin, W. F., and Crawford, C. R., Growth, 23, 349 (1959).

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  3. Wunder, C. C., Briney, S. R., Kral, M., and Skaugstad, C., Nature, 188, 151 (1960).

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  4. Thompson, D'A. W., On Growth and Form, second ed., 22, 194, 958 (Cambridge Univ. Press, 1942).

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DODGE, C., WUNDER, C. Growth of Juvenile Red-eared Turtles as influenced by Gravitational Field Intensity. Nature 197, 922–923 (1963). https://doi.org/10.1038/197922a0

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