Histopathology Overview of Tilapia (Oreochromis Mossambicus) Liver Organs Contaminated by Lead Metal (Pb) in Lake Tempe, Wajo Regency
Riri Apriani Jabbar (a*), Dwi Kesuma Sari (b), Akbar Tahir (c)

(a) Hasanuddin University
Jl. Perintis Kemerdekaan Km. 10, Makassar, 90245, Telp. (0411) 586010 Psw. 1. Fax. (0411) 586297.

(b) Faculty of Medicine, Majoring in Veterinary Medicine.

Abstract

Tilapia fish (Oreochromis Mossambicus) is one of the most popular freshwater fish in the community because it is easy to breed and its survival is high and group. The purpose of this study was to determine the histopathology of the liver in tilapia fish contaminated with lead heavy metal (Pb) in Lake Tempe,Wajo Regency. This research was conducted in March to June 2020. The number of fish samples used in this study was 21 fish. Measurement of lead heavy metal content (Pb) contained in the liver of tilapia fish (Oreochromis mossambicus). Measurement of heavy metal content was carried out with Atomic Absorption Spectrphotometer and obtained lead metal content (Pb) 0.14-2.8 microgram per gram with an average of 0.82 plus minus 0.83 microgram per gram. Preparation of liver organ fixation using 10 percen neutral buffered formalin (NFB), multilevel alcohol is used for dehydration, embedding using parafifin and haematoxylin-eosin staining. Analysis of the data used is descriptive qualitative. This research shows that lead metal (Pb) causes damage to the liver of tilapia fish. Damage to the liver in the form of inflammatory cell infiltration, fat degeneration, hemorrhage and necrosis. Damage that occurred as a result exposure to heavy metals, dissolved in the aquatic ecosystem that passed the threshold limit

Keywords: histopathology, lake tempe, liver, lead metal, tilapia fish

Topic: Marine Biology and Marine Disease