Abstract
RECENTLY, it has been shown that an examination of the concentrations of sodium and potassium in the red blood cells of sheep enables two types of animal to be recognized within a breed1. Sodium concentration varies inversely with potassium concentration, and determination of the latter allows the two types to be distinguished. These two types have been called ‘high potassium’ (HK) and ‘low potassium’ (LK). A large number of repeated examinations of many sheep have been carried out, and in no case has the electrolyte type of any sheep changed from HK to LK or vice versa.
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References
Evans, J. V., Nature, 174, 931 (1954).
Kerr, S. E., J. Biol. Chem., 117, 227 (1937).
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EVANS, J., KING, J. Genetic Control of Sodium and Potassium Concentrations in the Red Blood Cells of Sheep. Nature 176, 171 (1955). https://doi.org/10.1038/176171a0
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DOI: https://doi.org/10.1038/176171a0
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