Luteal function and estrus in peripubertal beef heifers treated with an intravaginal progesterone releasing device with or without a subsequent injection of estradiol.

@article{Rasby1998LutealFA,
  title={Luteal function and estrus in peripubertal beef heifers treated with an intravaginal progesterone releasing device with or without a subsequent injection of estradiol.},
  author={Rick J. Rasby and Michael L. Day and Sandy K. Johnson and James E. Kinder and Joshua M. Lynch and Rebecca E. Short and Robert P. Wettemann and Hajar Hafs},
  journal={Theriogenology},
  year={1998},
  volume={50 1},
  pages={
          55-63
        }
}
The objectives of this experiment were to determine if treatment of beef heifers with progesterone (P4) using an intravaginal device alone or in combination with estradiol benzoate (EB) would induce estrus and cause development of corpora lutea (CL) with a typical life span. Peripubertal heifers (n = 311) were used when about 40% of the heifers had a functional CL. The heifers were assigned to receive one of the following treatments on Day 0: 1) a sham device for 7 d (C, n = 108); 2) an… CONTINUE READING
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