Preovulatory estradiol and the establishment and maintenance of pregnancy in suckled beef cows.

@article{Jinks2013PreovulatoryEA,
  title={Preovulatory estradiol and the establishment and maintenance of pregnancy in suckled beef cows.},
  author={Emma M. Jinks and Michael Smith and Jacqueline A. Atkins and Ky G Pohler and George A. Perry and Michael D Macneil and Andrew J Roberts and Richard C. Waterman and Leeson J. Alexander and Tom W Geary},
  journal={Journal of animal science},
  year={2013},
  volume={91 3},
  pages={1176-85}
}
In postpartum beef cows, GnRH-induced ovulation of small dominant follicles decreased pregnancy rates and increased late embryonic/fetal mortality. In Exp. 1, single ovulation reciprocal embryo transfer (ET) was used to examine the relationship between preovulatory serum concentrations of estradiol at GnRH-induced ovulation in donor and recipient cows and establishment and maintenance of pregnancy. Suckled beef cows (n = 1,164) were administered GnRH (GnRH1, 100 μg) on d -9 (GnRH1), PGF(2α) on… CONTINUE READING

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