Fig. 1

Cyp19a1 expression level detection and semen quality assessment of control group and LV-CYP19A1 group roosters. A Construction of Cyp19a1 over-expression vector. B Diagram of injection of lentivirus carrying Cyp19a1 over-expression vector into rooster testis. C qRT-PCR results of Cyp19a1 in control group and LV-CYP19A1 group. D WB results of Cyp19a1 in control group and LV-CYP19A1 group..a−b Different letters within the same row show significant differences among the groups (P < 0.05)