Table 3. Effect of light intensity on serum biochemical parameters of broilers at 35 d of age

Parameters	Light intensity (lx)				SEM	p-value
	5	20	35	50
TG (mg/dL)	43.82a	36.65ab	35.15ab	30.36b	3.091	< 0.05
GLU (mg/dL)	242.05	244.11	244.66	246.60	6.734	0.972
AST (U/L)	306.88	300.13	291.33	301.51	17.550	0.938
ALT (U/L)	2.67	2.73	2.57	2.59	0.140	0.847
CREAT (mg/dL)	0.230b	0.234ab	0.244a	0.246a	0.004	< 0.05

Means in same rows with different superscripts are significantly different (p < 0.05).
TG, triglyceride; GLU, glucose; AST, aspartate aminotransferase; ALT, alanine aminotransferase; CREAT, creatinine.