Paradoxical effect of supplementary progesterone between Day 3 and Day 7 on corpus luteum function and conceptus development in cattle.

@article{OHara2014ParadoxicalEO,
  title={Paradoxical effect of supplementary progesterone between Day 3 and Day 7 on corpus luteum function and conceptus development in cattle.},
  author={Lydia O'Hara and Niamh E. Forde and Fiona Carter and Dimitrios Rizos and Ver{\'o}nica Maillo and Alan D. Ealy and Alan Kieran Kelly and Pedro Xavier Royero Rodr{\'i}guez and Naoki Isaka and Alexander C O Evans and Patrick Lonergan},
  journal={Reproduction, fertility, and development},
  year={2014},
  volume={26 2},
  pages={328-36}
}
The aim of the present study was to investigate the effect of short-term progesterone (P4) supplementation during the early metoestrous period on circulating P4 concentrations and conceptus development in cattle. The oestrous cycles of cross-bred beef heifers were synchronised using a 7-day P4-releasing intravaginal device (PRID® Delta; 1.55 g P4) treatment with administration of a prostaglandin F(2α) analogue (Enzaprost; CEVA Sante Animale) the day before PRID® Delta removal. Only those… CONTINUE READING