, , Javanmard, A., Taheri, S.  (2024). Association between the Expression Pattern of Two Fibroblast Growth Factor 2 (FGF2) and Patterns Estrogen Receptor 1 (ESR1) Promising Key Genes in Sheep with Extra Functional Teats. *Iranian Journal of Applied Animal Science*, 14(3), 423-428. 10.71798/ijas.2024.1184931