Growth performance, nutrient digestibility, intestinal morphology, cecal mucosal cytokines and serum antioxidant responses of broiler chickens to dietary enzymatically treated yeast and coccidia challenge

Table 7 Log-transformed oocyst count and intestinal lesion scoring in coccidia-challenged broiler chickens fed ETY supplemented diets, at d 21 post hatching^a

Item	Concentrations of ETY, g/kg			SD^b	P-value
Item	0	1	2	SD^b	L	Q
Oocyst count
Oocysts in excreta	5.4	5.2	5.2	0.17	0.006	0.014
Oocysts in ileal digesta	5.6	5.3	5.2	0.17	< 0.001	0.026
Lesion scoring
Lesion score E. tenella	2.6	2.0	2.1	1.10	0.213	0.279
Lesion score E. acervulina	1.3	0.6	0.9	1.24	0.404	0.264
Lesion score E. maxima	2.3	1.4	1.6	1.49	0.253	0.236

ETY Enzymatically treated yeast, L Linear effect of ETY, Q Quadratic effect of ETY, E. Eimeria
^aData are means of 8 replicate cages
^bSD Standard deviation

ISSN: 2049-1891