Bishop, B E Split-time artificial insemination in beef cattle: I-Using estrous response to determine the optimal time(s) at which to administer GnRH in beef heifers and postpartum cows. [electronic resource] - Theriogenology Sep 2016 - 1102-1110 p. digital Publication Type: Journal Article ISSN: 1879-3231 Standard No.: 10.1016/j.theriogenology.2016.03.043 doi Subjects--Topical Terms: Administration, IntravaginalAnimalsCattle--physiologyDinoprost--administration & dosageEstrus SynchronizationFemaleGonadotropin-Releasing Hormone--administration & dosageInsemination, Artificial--methodsPostpartum PeriodPregnancyProgesterone--administration & dosageTime Factors