Table 3.
Effects of photoperiod on serum biochemical profiles in chicks at the age of 7 day

Parameters	Photoperiod (L/D)			SEM¹	P-values
Parameters	24 L	22 L/2D	18 L/6D	SEM¹	P-values
TC (mg/dL)	166.7	168.1	171.2	4.15	0.73
TG (mg/dL)	49.6^b	54.6^ab	61.8^a	3.33	<0.05
GLU (mg/dL)	231.5	232.4^a	235.0	6.14	0.92
TP (g/dL)	2.61	2.63	2.66	0.044	0.68
AST (U/L)	192.2	204.2	200.8	5.929	0.35
ALT (U/L)	2.06^b	3.17^a	2.72^ab	0.235	<0.05
Creatinine (mg/dL)	0.21	0.20	0.21	0.004	0.36
ALB (g/dL)	1.05	1.13	1.10	0.025	0.08

SEM, standard error of means.
Means in same rows with different superscripts are significantly different (P<0.05).