Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2097297 | Theriogenology | 2007 | 5 Pages |
Abstract
Equine follicle stimulating hormone (eFSH) has been used to induce follicular development in transitional mares and problem acyclic mares, as well as superovulate cycling mares. The most efficacious protocol is to administer 12.5 mg eFSH, intramuscularly, twice daily beginning 5 to 7 days after ovulation when the diameter of the largest follicle is 20 to 25 mm. Prostaglandins are to be administered on the second day of eFSH therapy. Treatment with eFSH is continued for 3 to 5 days until follicle(s) are ≥35 mm in diameter. The mare is subsequently allowed to ‘coast’ for 36 h, after which human chorionic gonadotropin is administered to induce ovulation.
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Authors
P.M. McCue, M.M. LeBlanc, E.L. Squires,