Patent ID: 7205281

Claim:
A method consisting essentially of: (a) synchronizing time of insemination in a swine without heat detection by administering to a swine a dose of a hormone selected from the group consisting of a gonadotropin releasing hormone (GnRH), a luteinizing hormone (LH), a human chorionic gonadotropin (hCG), derivatives and analogues thereof, and combinations thereof, in an amount effective to stimulate ovarian follicle ovulation; and (b) breeding the swine, wherein the swine is a postpartum sow and the hormone is administered to the sow on the first day of estrus postweaning, 96 hours after weaning her piglets or 120 hours after weaning her piglets, or wherein the swine is a pubertal gilt and the hormone is administered on the first day of estrus, and steps (a) and (b) are performed without further heat detection.