Table 5. Effects of dietary supplementation of silkworm powder on blood biochemical parameters in lying hens¹⁾

	Control	Silkworm powder			SEM	p-value
	Control	0.01%	0.03%	0.05%	SEM	Linear	Quadratic
BUN (mg/dL)	1.81	1.78	1.72	1.78	0.03	0.28	0.23
Creatinine (mg/dL)	0.38	0.35	0.34	0.36	0.01	0.19	0.09
Total protein (mg/dL)	3.98	3.85	4.06	3.96	0.05	0.18	0.18
Albumin (mg/dL)	1.87	1.85	1.96	1.80	0.02	0.12	0.11
Globlulin (mg/dL)	2.11	2.00	2.10	2.16	0.02	0.10	0.23
Albumin/globlulin	0.89	0.93	0.93	0.83	0.01	0.08	0.15
AST (U/L)	300.3^a	290.1^b	284.7^bc	282.1^c	4.27	<0.05	0.15
ALT (U/L)	9.76^a	8.21^b	8.23^b	7.65^c	0.09	<0.05	0.12

Data are least squares means of 12 observations per treatment.
Means within the same row with no common superscripts differ significantly (p<0.05).