Role of follicular estradiol-17beta in timing of luteolysis in heifers.

@article{Araujo2009RoleOF,
  title={Role of follicular estradiol-17beta in timing of luteolysis in heifers.},
  author={Reno R Araujo and O. J. Ginther and Jair Camargo Ferreira and Miller M Palh{\~a}o and M D Anwarul Haque Beg and Milo C Wiltbank},
  journal={Biology of reproduction},
  year={2009},
  volume={81 2},
  pages={
          426-37
        }
}
The hypothesis was tested that estradiol (E2) from the ovarian follicles controls time of luteolysis. Time of luteolysis was evaluated by multiple measures of corpus luteum (CL) structure (area, volume) and function (progesterone [P4], luteal blood flow). The hypothesis for experiment 1 was that repeated ablation of follicles would reduce circulating E2 and delay luteolysis. Heifers were randomly assigned on Day 9 (Day 0 = ovulation) to three groups. All follicles >or=4 mm were ablated on Day 9… CONTINUE READING
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