Evaluation of Histopathological and Hematological Effects of Neonicotinoid (Acetamiprid 20% SP) on Grass Carp (Ctenopharyngodon idella)

Figure 3

Gills lesions of fingerling grass carp (Ctenopharyngodon idella) 96 h after exposure to lethal and sublethal concentration of neonicotinoid (acetamiprid 20% SP); (a) control group (acetamiprid was 0 mg·L⁻¹); (b) hyperplasia and uplifting of gill filaments (black rectangle) along with hypertrophy (black rows) and necrosis of epithelial cells (red rectangle); (c) necrosis of epithelial cells (red stars) and fusing of filaments (black rows); (d) necrosis of epithelial cells (black rows); (e) hypertrophy of epithelia cells (black row) and fusing of filaments (black rectangle); (f) necrosis of epithelial cells (black rectangle), hyperplasia (black star), and hypertrophy of epithelia cells (black rows). All pictures were magnified ×400.

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