Table 13.

Intestinal lesion scores because of Eimeria maxima on day 27 Ross 708 male broilers fed riboflavin and Bacillus subtilis diet and challenged with coccidiosis.

Treatments			Duodenum			Jejunum				Ileum
Riboflavin	Bacillus	Cocci.	0	1	2	0	1	2	3	0	1	2	3
0.75			81.3	12.5	6.3	53.1	21.9	15.6	9.38	75.0	15.6	6.3	3.13
6.6			87.5	12.5	0.0	59.4	21.9	15.6	3.13	68.8	25.0	6.3	0.00
20			93.8	3.13	3.1	56.3	34.4	9.38	0.00	71.9	15.6	12.5	0.00
SEM1			5.64	5.12	3.17	7.59	7.97	6.03	3.441	7.64	6.79	5.00	1.804
	No		87.5	8.3	4.2	56.3	27.1	12.5	4.17	77.1	12.5	8.3	2.08
	Yes		87.5	10.4	2.1	56.3	25.0	14.6	4.17	66.7	25.0	8.3	0.00
	SEM1		4.60	4.18	2.58	6.20	6.50	4.93	2.809	6.24	5.55	4.09	1.473
		Noncha	100.0a	0.0b	0.0b	83.3a	14.6b	2.1b	0.0b	87.5a	10.4b	2.1b	0.00
		Cha	75.0b	18.8a	6.3a	29.2b	37.5a	25.0a	8.33a	56.3b	27.1a	14.6a	2.08
		SEM1	4.60	4.18	2.58	6.20	6.50	4.93	2.809	6.24	5.55	4.09	1.473
P-value
Riboflavin			0.298	0.333	0.382	0.845	0.444	0.700	0.153	0.846	0.533	0.596	0.373
Bacillus			1.000	0.726	0.570	1.000	0.821	0.766	1.000	0.241	0.115	1.000	0.320
Cocci.			0.0003	0.002	0.091	<0.0001	0.015	0.002	0.039	0.001	0.037	0.034	0.320
Riboflavin × Bacillus2			1.000	0.884	0.724	0.118	0.244	0.700	0.442	0.134	0.234	0.217	0.373
Riboflavin × Cocci.2			0.298	0.333	0.382	0.483	0.444	0.700	0.153	0.316	0.178	1.000	0.373
Bacillus × Cocci.2			1.000	0.726	0.570	0.345	0.821	0.372	1.000	0.814	0.292	0.473	0.320
Riboflavin × Bacillus × Cocci.4			1.000	0.884	0.724	0.483	0.815	1.000	0.442	0.678	0.404	0.596	0.373

^a-cMeans in a column not sharing a common superscript were different (P < 0.05).

Abbreviations: Cha, Challenged with cocci.; Noncha = Nonchallenged.

¹SEM = Standard error of mean, 0 = Normal, 1 = slight, 2 = moderate, 3 = severe lesion score (duodenum do not have lesion 3).

²Means of nonsignificant interaction is not listed.