2 Synthetically analysis of the significance of regression equation and the effect of dietary Fe on indexes determined in this study showed that haemglobin, serum Fe, TIBC and serum ferritin were sensitive indicator.

• 综合考虑本试验获得的回归方程的显著性和日粮铁水平对各测定指标的影响,血红蛋白、血清铁、血清总铁结合力和血清铁蛋白可以作为适合本试验条件的评价不同铁源的生物学效价的指标。