Abstract The objective of this study was to investigate the effects in ovo injection sodium borate on hatching power, chick weight, length fertile broiler eggs. A total 256 eggs were incubated study. On Day 18 incubation, two groups injected with 0.1 mL 0.5 mg and 1 dissolved saline, used as sham control (injected saline) uninjected control. Hatching power apparently increased ( P ≤ 0.05) by (0...