Table 8.

Effects of MLE on serum biochemical indexes of broilers.

	MLE supplementation to diet/(mg/kg)					P value
Items	0	400	800	1,200	SEM	ANOVA	Linear	Quadratic
21 d of age/(mmol/L)
TG	0.42	0.38	0.45	0.45	0.03	0.251	0.139	0.327
TC	3.77a	3.82a	3.31b	3.51b	0.17	0.044	0.016	0.631
GLU	12.33	13.47	12.40	13.37	0.65	0.177	0.323	0.859
HDL-C	2.4	2.51	2.18	2.23	0.18	0.311	0.153	0.796
LDL-C	0.39	0.46	0.46	0.5	0.04	0.102	0.016	0.675
56 d of age/(mmol/L)
TG	0.60	0.51	0.45	0.49	0.10	0.576	0.273	0.409
TC	3.25a	3.34a	2.98b	2.72b	0.20	0.030	0.005	0.228
GLU	11.62	12.26	11.64	11.53	0.65	0.673	0.678	0.433
HDL-C	0.95b	1.08b	0.97b	1.33a	0.12	0.013	0.010	0.164
LDL-C	0.56	0.74	0.63	0.54	0.12	0.366	0.692	0.118

Abbreviations: GLU, glucose; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; TC, total cholesterol; TG, triglyceride.

^a,bWith a row, values with different superscript letters differ (P < 0.05). n = 6.