Abstract
WORK on wasting diseases in Australia1,2 and New Zealand3, and 'pining' in the United Kingdom4,5, has established that cobalt is an essential factor in ruminant nutrition. Deficiency of cobalt results in various wasting diseases, the literature of which has been adequately re viewed6,7,8,9. In contrast to the ruminant, it appears that non-ruminants, for example, the rat10 and the rabbit11, require very little, if any, cobalt in the diet, for they can thrive on diets containing cobalt in concentrations much below those which would cause wasting diseases in ruminants.
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TOSIC, J., MITCHELL, R. Concentration of Cobalt by Micro-Organisms and its Relation to Cobalt Deficiency in Sheep. Nature 162, 502–504 (1948). https://doi.org/10.1038/162502a0
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DOI: https://doi.org/10.1038/162502a0
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