METHOD AND COMPOSITION FOR SYNCHRONIZING TIME OF INSEMINATION IN GILTS

摘要

Methods and compositions for synchronizing the time of insemination in gilts are provided. More particularly, methods and compositions for synchronizing the time of insemination in gilts using a gonadotropin-releasing hormone and a hormone for synchronizing estrus are provided.

主权项

1. A method for synchronizing time of insemination in a gilt, the method comprising the steps of:
administering to the gilt a hormone for synchronizing estrus; administering to the gilt a single dose of a gonadotropin-releasing hormone for synchronizing ovulation, without administration of any other hormone for synchronizing ovulation, wherein the gonadotropin-releasing hormone is administered on the fifth day after the last daily administration of the hormone for synchronizing estrus; inseminating the gilt, without monitoring estrus, on the sixth day after the last daily administration of the hormone for synchronizing estrus; monitoring estrus on the seventh day after the last daily administration of the hormone for synchronizing estrus, and i) if the gilt is in estrus on the seventh day after the last daily administration of the hormone for synchronizing estrus, inseminating the gilt on the seventh day after the last daily administration of the hormone for synchronizing estrus, or ii) if the gilt is not in estrus on the seventh day after the last daily administration of the hormone for synchronizing estrus, not inseminating the gilt on the seventh day after the last daily administration of the hormone for synchronizing estrus.