Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Kaya, Semra; Kaçar, Cihan; Polat, Bülent; Çolak, Armağan; Kaya, Duygu; Gürcan, I S; Bollwein, Heiner; Aslan, Selim (2016). Association of luteal blood flow with follicular size, serum estrogen and progesterone concentrations, and the inducibility of luteolysis by PGF2α in dairy cows. Theriogenology, 87:167-172.