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Item

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Histological Changes in the Gill Tissues of Oreochromis sp. from Naung Tong Lake, Kyaing Tong

http://hdl.handle.net/20.500.12678/0000005750
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Histological Histological Changes in the Gill Tissues of Oreochromis sp from Naung Tong Lake.pdf (821 Kb)
Publication type
Journal article
Upload type
Publication
Title
Title Histological Changes in the Gill Tissues of Oreochromis sp. from Naung Tong Lake, Kyaing Tong
Language en
Publication date 2020-10-14
Authors
Ni Ni Win
Moe Kyi Han
Thant Zin
Description
Naung Tong Lake was chosen as the study area to conduct the present research from June, 2017 to March, 2018. Naung Tong Lake is located in Kyaing Tong Township. Water is stored in this lake within an area of 2414.02 m in length and about 600 m in width. Presently, cyanobacterial bloom and water pollution are found in Naung Tong Lake by anthropogenic activities. In the present study, some cyanobacteria, Microcystis spp. were observed in four sample collection sites in Naung Tong Lake. Microcystis spp. are toxic cyanobacteria and can produce bioactive compounds that may be harmful called cyanotoxins. Fish specimen, Oreochromis sp. was used for histological investigations. The occurrences of histological changes in gill tissues of fish, Oreochromis sp. were recorded. Histological changes in gills were epithelial lifting, epithelial separation, dilation of gill filaments with blood congestion, incomplete and complete fusion of lamellae, shortening of lamellae, hyperplasia, curling the lamellae, necrosis, elastic cartilage and deformed structure of gill. Histological changes in gill tissues of studied fish revealed metabolic disturbance and cellular disorder due to environmental contaminations, toxic cyanobacteria, Microcystis spp. and water pollution in Naung Tong Lake.
Keywords
Cyanobacteria, Microcystis spp., cyanotoxins, Oreochromis sp.,, histological changes
Journal articles
4
University of Mandalay, Research Journal
43-51
11
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0
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