Adequate response of plasma 1,25-dihydroxyvitamin D to parturition in paretic (milk fever) dairy cows.

@article{Horst1977AdequateRO,
  title={Adequate response of plasma 1,25-dihydroxyvitamin D to parturition in paretic (milk fever) dairy cows.},
  author={Ronald L. van der Horst and John A. Eisman and N A Jorgensen and Hector F DeLuca},
  journal={Science},
  year={1977},
  volume={196 4290},
  pages={662-3}
}
The concentration of 1,25-dihydroxyvitamin D was measured by means of a radioactive receptor assay in the plasma of cows during the period immediately prior to, during, and following parturition. Nonparetic cows showed initially a slight decrease in plasma 1,25-dihydroxyvitamin D which was followed by a significant increase during parturition and 2 days postpartum. The highest concentration achieved in the control or nonparetic cows was 100 picograms per milliliter. In the paretic animals the… CONTINUE READING

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