Research Article

Isolation and Identification of Some Probiotic Bacteria and Their Potential Role in Improving Immune Response and Resistance of Nile Tilapia (Oreochromis niloticus) in Comparison with a Commercial Product

Figure 3

Histopathological findings of Tilapia treated with Organic Green™ with a dose 1 g/kg diet for 2 months showing (a) minimal degenerative changes in renal tissue, massive proliferation of melanomacrophage centers compared to other groups, and (b) splenic massive proliferation and activation of melanomacrophage centers (H&E stain, ×400).
(a)
(b)