SUMMARY The effects of four types of stress (daily subcutaneous injection of 0·9 % NaCl solution, a forced choice, water gavage, and surgical trauma) on the growth rate, food and water intake, and water excretion of albino rats have been investigated. These stresses caused a slowing of growth which was apparently not associated with decreased food and water intakes. There were, however, some changes in water excretion which varied with the type of stress. Since food consumption was unchanged during stress whereas the rate of growth decreased it is concluded that the rate of oxidative metabolism was increased.
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F. J. Imms (1967) studied this question.
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