Table 4.

Visceral organs development of hens during a study to evaluate SY efficacy.¹

Item (%)	Blank control	SS control	Supplemental Se level (mg/kg of diet, SY)				SEM	Significance
			0.1	0.2	0.3	0.4
Heart index	0.320	0.356	0.325	0.308	0.313	0.325	0.007	0.689
Liver index	1.694	1.910	1.840	1.611	1.824	1.748	0.045	0.880
Spleen index	0.099	0.112	0.089	0.094	0.089	0.098	0.003	0.657
Lung index	0.370	0.433	0.412	0.393	0.352	0.351	0.011	0.746
Kidney index	0.693	0.656	0.638	0.632	0.644	0.659	0.011	0.435
Pancreas index	0.164	0.197	0.177	0.170	0.180	0.173	0.005	0.848

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

¹Values are means of 6 replicates per dietary treatment.