Effect of timing of initiation of resynchronization and presynchronization with gonadotropin-releasing hormone on fertility of resynchronized inseminations in lactating dairy cows
Effect of presynchronization with human chorionic gonadotropin or gonadotropin-releasing hormone 7 days before resynchronization of ovulation on fertility in lactating dairy cows
Reproductive performance of grazing dairy cows following presynchronization and resynchronization protocols
Presynchronization using a modified Ovsynch protocol or a single gonadotropin-releasing hormone injection 7 d before an Ovsynch-56 protocol for submission of lactating dairy cows to first timed artificial insemination
Pregnancy per artificial insemination in lactating dairy cows subjected to 2 different intervals from presynchronization to initiation of Ovsynch protocol
Effects of presynchronization and length of proestrus on fertility of grazing dairy cows subjected to a 5-day timed artificial insemination protocol
Evaluation of Progesterone Supplementation in a Prostaglandin F2α-Based Presynchronization Protocol Before Timed Insemination
Fertility of Lactating Dairy Cows Treated with Ovsynch after Presynchronization Injections of PGF2α and GnRH
Presynchronization with GnRH 7 days prior to resynchronization with CO-Synch did not improve pregnancy rate in lactating dairy cows
Presynchronization with Gonadotropin-Releasing Hormone Does Not Improve Fertility in Holstein Heifers
