Table 3.

Laying performance 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
Laying rate (%)	93.65	93.77	93.32	93.72	93.51	93.53	0.397	0.172
Average egg weight (g)	60.62	60.10	60.55	60.86	59.92	60.87	0.166	0.305
Average daily egg mass (g/bird per day)	56.77	56.36	56.51	56.98	56.03	56.93	0.304	0.641
Average daily feed consumption (g/bird per day)	118.43	118.68	118.32	118.60	117.96	118.74	0.158	0.913
Feed conversion ratio (g of feed/g of egg)	2.09	2.11	2.09	2.08	2.11	2.09	0.012	0.665
Mortality (%)	4.17	0.52	1.56	2.60	1.56	1.56	0.792	0.768

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

¹Values are means of 6 replicates per dietary treatment.