Research Article

Natural Concurrent Infections with Black Spot Disease and Multiple Bacteriosis in Farmed Nile Tilapia in Central Kenya

Figure 2

Photomicrographs of encysted metacercaria of Neascus spp. (red arrow). The fish surrounds the cyst with black pigmented melanin produced by melanomacrophages in response to the parasite. FC, fibrous capsule; Me, melanomacrophages and pigment; SM, muscle tissue.