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Table 5 Intestinal morphology and coccidian oocyst numbers after indicated treatments1

From: Responses to dietary levels of methionine in broilers medicated or vaccinated against coccidia under Eimeria tenella-challenged condition

  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
  1. 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
  2. 2Met methionine, VH, villus height, CD, crypt depth, V/C VH to CD ratio; Score: the lesion scores of the cecum; ON: oocyst output
  3. a,b,c,d,eThe data of the same row not sharing a lowercase letter differ (P < 0.05, n = 30)