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Abstract
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Article Information:
Histopathological Study of the Effects of Lethal Concentration of Oil-Based Mud (Obm) on the Amphibious Fish of the Niger Delta Basin in Southern Nigeria
C. Nwakanma and A.I. Hart
Corresponding Author: C. Nwakanma
Submitted: August 04, 2012
Accepted: September 08, 2012
Published: February 20, 2013 |
Abstract:
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The histopathological study of the effects of lethal concentration (10, 8, 4, 2 and 0%, respectively) of Oil-Based Mud (OBM) on the fingerlings of the amphibious fish of the Niger Delta, Periophthalmus barbarus were exposed for 96 h using static bioassay. Histological study of liver, kidney, muscle, intestine, brain and gills were the tissue parameters investigated. Samples of tissues were preserved in formaldehydes for histological studies. Result revealed noticeable changes in tissues that ranged from mild to severe damage. Normal situation was observed in all the examined tissues of fish from the control (0%) tanks. The oil-based mud was toxic to the tissues examined.
Key words: Drilling mud, histology, mangrove, Periophthalmus barbarus, toxicity, , ,
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Cite this Reference:
C. Nwakanma and A.I. Hart, . Histopathological Study of the Effects of Lethal Concentration of Oil-Based Mud (Obm) on the Amphibious Fish of the Niger Delta Basin in Southern Nigeria. International Journal of Fisheries and Aquatic Sciences, (1): 9-12.
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ISSN (Online): 2049-842X
ISSN (Print): 2049-8411 |
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