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Divisions of Agricultural Biochemistry and Dairy Husbandry, University of Minnesota, University Farm, St. Paul
ABSTRACT
Conclusions: The calcium content of the blood plasma of dairy cattle is subject to significant fluctuations of an undetermined cause, in spite of a high coefficient of correlation of the calcium content of the plasma on successive days.
When a three-day series of blood samples is secured from dairy cattle on successive days, any deviation of the plasma calcium from the theoretical value will be negative when the plasma calcium is relatively low, and will be positive when the plasma calcium is relatively high.
* Published with the approval of the Director, as Paper No. 925, Journal Series, Minnesota Agricultural Experiment Station
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