Figure 1

Macroscopic lesions in caecum of turkeys in different groups. A Negative control group, not inoculated with H. meleagridis; B no lesion group, inoculated with H. meleagridis; C mild lesion group, inoculated with H. meleagridis (hemorrhages are shown with arrow heads); D severe lesion group, inoculated with H. meleagridis.