Al-Marzani, E.A.H. and Barwary, M.S. 2022. EFFECT OF DIFFERENT ESTRUS SYNCHRONIZATION ON SERUM E2, P4, FSH AND LH DURING DIFFERENT ESTRUS PERIODS AND PREGNANCY IN EWES. IRAQI JOURNAL OF AGRICULTURAL SCIENCES. 53, 4 (Aug. 2022), 743–751. DOI:https://doi.org/10.36103/ijas.v53i4.1584.