Table 5. Effects of Kluyveromyces marxianus on intestinal biochemical indicies¹ of broilers (21 d of age).

Dose (g/kg)	Jejunum				Ileum
	sIgA	AKP	Suc	Mal	sIgA	AKP	Suc	Mal
0	3.02	0.87	136.78	295.59	5.36	0.68	166.97	242.86
0.25	3.35	1.01	154.72	294.18	5.00	0.71	174.62	232.40
0.50	2.89	0.86	148.89	334.73	4.05	0.61	195.19	216.91
1.0	2.60	1.18	143.59	299.85	5.64	0.61	191.43	237.95
1.5	3.37	0.96	136.87	290.13	5.88	0.63	206.98	267.28
2.0	3.82	1.13	129.41	292.23	6.11	0.62	198.64	251.95
2.5	3.26	0.90	154.50	279.11	5.57	0.66	208.67	219.54
SEM	0.179	0.040	4.517	5.890	0.216	0.014	5.345	5.709
P-value
Linear	0.332	0.550	0.848	0.153	0.087	0.347	0.018	0.765
Quadratic	0.612	0.195	0.796	0.237	0.223	0.165	0.040	0.407

n = 8 replicates per group.

¹ sIgA, secretory Ig A (mg/g protein); AKP, alkaline phosphatase (U /mg protein); Suc, sucrase (U/mg protein); Mal, maltase (U/mg protein).