×

Process for the synchronization of ovulation

  • US 5,589,457 A
  • Filed: 07/03/1995
  • Issued: 12/31/1996
  • Est. Priority Date: 07/03/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for synchronizing ovulation in cattle, the steps comprising:

  • (a) administering a first dose of a hormone selected from the group consisting of a gonadotropin releasing hormone (GnRH), a luteinizing hormone (LH) and a human chorionic gonadotropin (hCG), to an open cow during an estrous cycle in an amount effective to stimulate ovarian follicle development;

    (b) subsequent to step (a) and after a period of time sufficient for development of a dominant follicle, administering a dose of prostaglandin F2α

    (PGF2α

    ) in an amount effective to initiate corpus luteum regression;

    (c) concomitantly with or within a period of 3 days subsequent to step (b), administering a second dose of a hormone selected from the group consisting of LH, hCG and GnRH to stimulate ovulation of said follicle; and

    (d) concomitantly with or within one day prior to or subsequent to step (c), breeding said cow.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×