Table 5.

Effect of experimental diets and Eimeria spp. challenged broiler chickens on intestinal morphology at 20 d of age.¹

Item	NCU	NCC	OE500 C	OE1500 C	PCC	SEM2	P-values3
							NCU vs. NCC	OE linear	OE nonlinear
Duodenum
VH, μm	1,851	1,774	1,719	1,795	1,770	61.5	0.40	0.71	0.40
CD, μm	148	178	196	195	159	13.7	0.14	0.47	0.49
VH/CD	13.2	10.1	9.50	9.62	11.6	0.90	0.026	0.78	0.70
Jejunum
VH, μm	993	942	995	973	948	60.8	0.55	0.79	0.58
CD, μm	128	152	149	153	145	12.1	0.17	0.91	0.84
VH/CD	8.06	6.41	6.85	6.67	6.74	0.48	0.021	0.78	0.57

Abbreviations: CD, crypt depth; OE, Olea europaea; VH, villus height; VH/CD, villus height:crypt depth ratio

¹NCU, negative control with no additives and no challenge; NCC, OE500 C, OE1500 C, basal diet containing 0, 500, and 1,500 ppm of olive pomace extract and challenged, respectively; PCC, basal diet containing 500 ppm of Clinacox and challenged.

²SEM (n = 10).

³Challenged treatments were not significantly different by Tukey's test.