Table 4.

Effect of dietary supplementation with pioglitazone hydrochloride (PGZ) and l-carnosine (LC) on the serum biochemical indices of broiler chickens (n = 5).

Item1	Treatment				SEM	P-value
	PGZ, 0 mg/kg		PGZ, 15 mg/kg
	LC, 0 mg/kg	LC, 400 mg/kg	LC, 0 mg/kg	LC, 400 mg/kg		PGZ	LC	PGZ × LC
SUN, mmol/L	0.61	0.57	0.50	0.50	0.04	0.814	0.283	0.785
TP, g/L	45.52	46.20	46.96	44.44	0.87	0.487	0.565	0.892
HDL-C, mmol/L	1.85	1.87	2.54	2.60	0.05	0.008	0.752	0.457
LDL-C, mmol/L	0.91	0.65	0.71	0.60	0.06	0.036	0.021	0.166
CHO, mmol/L	3.30	2.99	2.57	2.42	0.11	0.031	0.227	0.543
TG, mmol/L	1.82	1.92	1.93	1.83	0.26	0.934	0.937	0.791

¹SUN = serum urea nitrogen; TP = total protein; HDL-C = high-density lipoprotein cholesterol; LDL-C = low density lipoprotein cholesterol; CHO = cholesterol; TG = triglyceride.