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Genetic control of blood potassium concentration in Welsh Mountain sheep

Published online by Cambridge University Press:  27 March 2009

A. G. H. Khattab ,
J. H. Watson  and
R. F. E. Axford
A. G. H. Khattab
Affiliation:
School of Agriculture, University College of North Wales, Bangor
J. H. Watson
Affiliation:
School of Agriculture, University College of North Wales, Bangor
R. F. E. Axford
Affiliation:
School of Agriculture, University College of North Wales, Bangor
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Extract

The distribution of whole blood potassium concentration in 1783 Welsh Mountain sheep showsmarked bimodality, varying about two modes, of 44 and 14 m-equiv./l.

The difference between high (HK) and low (LK) potassium types was not clear-cut. About 5 % of animals lay in the area where the tails of the two distributions merge.

Haematocrit values and plasma potassium concentrations were used to estimate erythrocyte potassium levels. They confirmed that the bimodality is due to variation within erythrocytes but did not offer a satisfactory method of allocating intermediate animals.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 63 , Issue 1 , August 1964 , pp. 81 - 84
Copyright
Copyright © Cambridge University Press 1964

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