(H&E X20), A: kidney of CG, B: kidney of TG showing congestion (star), tubular necrosis (yellow arrow) and increase space of Bowman’s capsule (black arrow), C: kidney of DAG showing congestion and edema (arrow), necrosis of tubules and atrophy of glomeruli (black arrow), D: kidney of BG more or less to normal with slight congestion and necrosis of tubules (yellow arrow).