%0 Conference Proceedings %T Comparison of the effects of Gonadotropin-Releasing Hormone, Human Chorionic Gonadotropin and progesterone on Conception rates in repeat breeder dairy cows %A Farzaneh, Nima %A Khoramian, Babak %A Mohri, Mehrdad %A Talebkhan Garoussi, Massoud %J 40th annual convention of American association of bovine practitioner %D 2007