Effects of gas flaring on blood parameters and respiratory system of laboratory mice, Mus musculus |
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Authors: | Adebayo Otitoloju Jemina Dan-Patrick |
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Affiliation: | (1) Department of Zoology, Faculty of Science, University of Lagos, Lagos, Nigeria |
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Abstract: | In order to evaluate the potential harmful effects of gas flaring on mammals, albino mice, Mus musculus, were exposed to gas flares for 8 weeks under laboratory conditions. The effect of gas flaring on blood parameters includes a reduction in white blood cell counts among mice exposed to 8-h daily of gas flaring when compared to control mice. The red blood cells also showed varied abnormalities such as stacked erythrocytes (rouleaux formation), crenated (spicule) cells and teardrop cells (dacrocytes). The detection of the increasing level of eosinophils in the blood of mice exposed to gas flares was observed to be indicative of a degenerative disease condition and usefulness as a good marker of pollution for monitoring, and early detection of adverse effects of gas flares was recommended. Histopathological examination of the lungs of exposed mice revealed distortions in the segmental bronchus and alveoli of the respiratory organ, with interspersed brown pigments and polymorphonuclear cells, which were absent in the controls. The environmental implications including the health hazards posed by the exposure of mammals to gas flares in crude oil production areas were discussed. |
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