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Hypomagnesæmia in Dairy Cattle and its Possible Relationship to Ruminal Ammonia Production

Abstract

THE highest incidence of hypomagnesæmia in dairy cattle occurs in the first few weeks of the spring grazing which follows the winter stall-feeding period. Some factors which influence its incidence at this time and methods for its control have been studied at this Institute for several years1. Recently, we have investigated the changes in blood composition, rumen fermentation and mineral metabolism caused by the transfer to grazing or the feeding of cut spring grass in the stall, and several observations have arisen which suggest a possible mechanism for the production of hypomagnesæmia.

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References

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HEAD, M., ROOK, J. Hypomagnesæmia in Dairy Cattle and its Possible Relationship to Ruminal Ammonia Production. Nature 176, 262–263 (1955). https://doi.org/10.1038/176262a0

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