Abstract
THE prevention of symptoms of swayback in the offspring of ewes grazing on affected pastures in Britain has been shown to be effective when the pregnant ewe receives an additional supply of copper1. Sufficient copper for the proper metabolism of nervous tissue in the young animal appears to be provided if a single dose of copper is administered to the mother ewe within an hour or two of the birth of its lamb2.
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References
Dunlop, G., and Wells, H. E., Vet. Rec., 50, 1175 (1938).
Dunlop, G., Nature, 168, 728 (1951).
Cunningham, I. J., N.Z. J. Agric., 69, 559 (1944).
Dunlop, G., Brit. J. Nutrit., 5, iv (1951).
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DUNLOP, G. Effect of a Copper Supplement to the Rations of Milking Cows. Nature 171, 356–357 (1953). https://doi.org/10.1038/171356a0
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DOI: https://doi.org/10.1038/171356a0
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