Sodium and potassium metabolism in the dehydrated and rehydrated Bedouin camel

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Abstract
The effects of 10 days dehydration and rapid rehydration on the Na and K metabolism in the Bedouin camel were examined. The research was carried out during 2 periods in the summer, a cool and a hot period. In the hot period the effects of dehydration were more severe. The K metabolism was more affected than that of the Na. The K concentrations in the urine declined while those of Na increased. There was also marked changes in the filtered loads, excreted loads and reabsorption of the 2 cations. Following rehydration significant changes in the cation metabolism were recorded within 15-45 min. Antidiuretic hormone and not aldosterone possibly caused the changes in the 2-cation metabolism.