Table 2.

Se sources and levels supplemented in diets.¹

Group	Diet	Se source	Se level (mg/kg)
			Supplemental	Calculated	Actual
Blank control	Basal diet	—	—	0.150	0.146 ± 0.002
SS control	Basal diet + SS	SS	0.30	0.450	0.342 ± 0.006
0.10 mg/kg SY	Basal diet + SY	SY	0.10	0.250	0.218 ± 0.011
0.20 mg/kg SY	Basal diet + SY	SY	0.20	0.350	0.302 ± 0.019
0.30 mg/kg SY	Basal diet + SY	SY	0.30	0.450	0.359 ± 0.004
0.40 mg/kg SY	Basal diet + SY	SY	0.40	0.550	0.487 ± 0.033

Abbreviations: Se, selenium; SS, sodium selenite; SY, Se-enriched yeast.

¹Se contents are expressed on an air-dry basis (88% DM).