Molybdenum and Copper Metabolism of Farm Animals


IN a recent communication from Australia by Dick and Bull1, the view was expressed that “an increase in the molybdenum content of the pasture may possibly explain the seeming anomaly of a copper deficiency in sheep, for example, grazing on pastures which show by ordinary chemical analysis a copper concentration within normal limits”. Since the references are to work in Britain in connexion with a disease of lambs known as swayback, the following may be of interest.

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  1. 1

    Dick, A. T., and Bull, L. B., Aust. Vet. J., 21, 70 (1945).

  2. 2

    Bennetts, H. W., and Beck, A. B., Counc. Sci. Ind. Res. (Austral.) Bull 147 (1942).

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STEWART, J., FARMER, V. & MITCHELL, R. Molybdenum and Copper Metabolism of Farm Animals. Nature 157, 442 (1946) doi:10.1038/157442b0

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