Two doses of prostaglandin improve pregnancy rates to timed-AI in a 5-day progesterone-based synchronization protocol in beef cows.

@article{Kasimanickam2009TwoDO,
  title={Two doses of prostaglandin improve pregnancy rates to timed-AI in a 5-day progesterone-based synchronization protocol in beef cows.},
  author={R K Kasimanickam and Michael L. Day and Joshua S. Rudolph and J B Hall and William D Whittier},
  journal={Theriogenology},
  year={2009},
  volume={71 5},
  pages={
          762-7
        }
}
  • R K Kasimanickam, Michael L. Day, +2 authors William D Whittier
  • Published in Theriogenology 2009
  • Biology, Medicine
  • The objective was to compare reproductive performance of Angus-cross beef cows synchronized with GnRH, a progesterone-based intravaginal insert (Controlled Internal Drug Release, CIDR) for 5-d, and one dose of either dinoprost (PGF) or cloprostenol (CLP, a PGF analogue) or two doses of PGF on the day of CIDR withdrawal. All cows (N=830) at six locations received 100microg of GnRH and a CIDR on Day 0. Within farm, cows were randomly allocated to receive 25mg of PGF at the time of CIDR insert… CONTINUE READING

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