Table 3.

Biochemical indices in plasma of Chinese Yellow broiler breeders fed diets with different iron contents.

	Dietary Fe content, mg/kg						P-value1
Variable	44	58	72	86	100	SEM1	Fe level	Linear	Quadratic
Iron, mg/L	5.22	5.37	5.27	5.22	5.71	0.365	0.866
Hematocrit2, %	27.3	30.1	30.4	33.1	29.9	0.899	0.003	0.017	0.002
Hemoglobin2, g/L	106	103	110	115	100	3.51	0.055
MDA3, nmol/mL	2.49	3.12	3.31	3.66	4.06	0.395	0.094

¹Standard error of the mean from ANOVA (n = 6), linear and quadratic contrasts examined only when Fe level was significant.

²Measured in whole blood.

³MDA: Malondialdehyde.