• Dr Sujata Kawade

Heavy metals, on entering aquatic environment causes histopathological disturbances in the fish. The present study deals with the toxic effect of heavy metal - Nickel (Ni) as NiSO4 on the Female Reproductive Organs – Ovary of fresh water fish, Channa gachua. Ovary was examined in the 96 hours LC50 acute test. Histopathological examination of Ovary revealed marked pathological changes like rupture of ovigerous lamellae, rupture, degeneration and absorption of growing oocytes, degeneration and necrosis of connective tissue, formation of atretic follicles with suppression of oocyte maturation, rupture of blood vessels, thus affecting the process of reproduction in the female fishes.

Nickel, Ovary, histopathology, Channa gachua

"Nickel induced histopathological alterations in the Female Reproductive Organs of freshwater fish, Channa gachua (Ham.)", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.11, Issue 5, page no.g348-g356, May-2024, Available :http://www.jetir.org/papers/JETIR2405643.pdf

"Nickel induced histopathological alterations in the Female Reproductive Organs of freshwater fish, Channa gachua (Ham.)", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.11, Issue 5, page no. ppg348-g356, May-2024, Available at : http://www.jetir.org/papers/JETIR2405643.pdf