THE EFFECT OF ESTRADIOL BENZOATE ADMINISTRATION ON ESTROUS RESPONSE AND SYNCHRONIZED PREGNANCY RATE IN DAIRY HEIFERS AFTER TREATMENT WITH EXOGENOUS PROGESTERONE

摘要

The objectives of this trial were to determine the effects of 0.5 mg estradiol benzoate administered intramuscularly 24 h after the removal of progesterone-containing intravaginal devices on the occurrence and timing of estrus, synchronized pregnancy rate and synchronized conception rate in dairy heifers.