Fig. 6

Nile tilapia experimentally infected with E. tarda. *(star): multiples hemorrhages on external body surface. ** (2 stars): A; body discoloration paleness, B; hemrrahges at base of operculum fin, C; pop-eye. *** (3 stars): A; brownish liver with hemorrhage on surface, B; enlarged gall bladder, C; splenomegaly, D; intestine with greenish content