29.06.2020

Prostaglandin F2α influences pre-ovulatory follicle characteristics and pregnancy per AI in anovular dairy cows

Theriogenology, 2020

Highlights

  • Treatment of anovular cows with a second dose of 25 mg of prostaglandin F2α increased pregnancy per AI in normothermic cows.
  • Treatment with prostaglandin F2α had minor impacts on LH pulsatility, but increased the size and estradiol content in the pre-ovulatory follicle.
  • Prostaglandin has a role in fertility of anovular cows that is unrelated to its luteolytic effect.

In a recent study, Lopes et al. investigated the utility of these hormone treatments on fertility in dairy cows, measuring post-treatment follicular estradiol levels using the DetectX® Estradiol ELISA kit from Arbor Assays. The study yielded a clearer understanding of the role prostaglandins play in the bovine reproduction, contributing to development of more efficient AI protocols and better reproductive management of livestock.

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