Table 5.

Intestinal morphology and coccidian oocyst numbers after indicated treatments¹

	Medicated groups			Vaccinated groups			P value
Met2 concentrations:	0.45%	0.56%	0.68%	0.45%	0.56%	0.68%	Anticoccidial program	Met levels	Anticoccidial program × Met levels
VH (um)	845.73 ± 90.97d	907.96 ± 100.88bc	912.49 ± 111.38b	923.37 ± 102.59a	905.36 ± 100.60bc	899.85 ± 95.98c	0.027	0.033	0.009
CD (um)	124.17 ± 15.52a	112.64 ± 14.08b	109.84 ± 13.23b	113.91 ± 15.23b	112.21 ± 11.34b	113.15 ± 12.59b	0.069	0.040	0.039
V/C	6.90 ± 0.60d	8.09 ± 0.82bc	8.38 ± 1.07a	8.15 ± 0.78b	8.12 ± 0.98b	8.00 ± 0.90c	0.031	0.038	0.006
Score	0.89 ± 0.11a	0.75 ± 0.09b	0.68 ± 0.06c	0.46 ± 0.05e	0.48 ± 0.05e	0.59 ± 0.07d	0.008	0.019	0.006
ON (× 105/g)	1.47 ± 0.18a	1.05 ± 0.13b	1.00 ± 0.09b	0.39 ± 0.02c	0.41 ± 0.04c	0.42 ± 0.05c	0.004	0.025	0.008

¹An anticoccidial drug (narasin, 60 mg/kg diet) was added to diets in medicated groups, and an anticoccidial 7-valent live vaccine was inoculated in vaccinated groups

²Met methionine, VH, villus height, CD, crypt depth, V/C VH to CD ratio; Score: the lesion scores of the cecum; ON: oocyst output

^a,b,c,d,eThe data of the same row not sharing a lowercase letter differ (P < 0.05, n = 30)