Pregnancy-specific protein B in serum of postpartum beef cows.

  title={Pregnancy-specific protein B in serum of postpartum beef cows.},
  author={G H Kiracofe and J M Wright and R. R. Schalles and C A Ruder and Steve Parish and R. Garth Sasser},
  journal={Journal of animal science},
  volume={71 8},
To determine whether the uterus was the source of serum pregnancy-specific protein B (PSPB) after calving, five beef cows were hysterectomized at 21 d postpartum and five served as intact controls. A single blood sample was taken from all cows immediately after calving and then twice weekly until 21 d postpartum. Beginning on d 22, blood samples were taken from all cows at 3-h intervals for 4 d and then twice weekly until 53 d postpartum. When the half-life calculated for the interval from d 1… CONTINUE READING

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