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¹ Selçuk Üniversitesi, Ziraat Fakültesi, Zootekni Bölümü, 42130 Selçuklu/Konya, Türkiye - This study was conducted to determine the effect of injection on different levels of zinc to the quail hatching eggs on, performance, serum, liver and bone minerals composition. In the study a total 400 quail hatching eggs were distributed four experimental groups: NK as control non-injected, PK as sham control received 0.2 ml diluents-injected, 20Zn was injected with zinc-glysine at 20 μg zinc per egg, and 40Zn was injected with zinc-glysine at 40 μg zinc per egg. In each experiment group there were four replicates, and in each replicates there were twenty five eggs. Sixty chicks from each treatment were placed in growing cages for the purpose of determining its performance parameters. During the growing period all treatment groups received quail basal diet. The effect of treatment on carcass yield, some organ weights, body weight gain, feed intake, feed conversion ratio, mortality, serum zinc, calcium and phosphorus levels, liver phosphorus level and concentration of bone minerals except calcium level were not significant. The serum magnesium level, liver zinc, calcium and manganese levels, and bone calcium level in fifty week were important in the treatments. The liver zinc and manganese concentrations were significantly increased by 20 μg/egg zinc injection group, in comparison to non-injected group. These results demonstrate that zinc injection at 20 μg/egg level to quail eggs positively affects mineral accumulation in tissues. Keywords : Hatchability, in ovo, mineral, quail egg, performance, zinc