Fig. 13: Spleen of fish infected with E. gallinarum presenting; large thrombus in the splenic blood vessel and
increased melanomacrophage center. (H&E X200)
Fig. 14: Spleen of L. garvieae infected fish showing; focal inflammatory cells infiltration, inceared
melanomacrophage cells and basophilic precipitate of bacterial colonies. (H&E X400)