Effect of Different Nitrite Concentrations on Haemoglobin Percentage of Heteropneustes fossilis
Journal Title: Voyager - Year 2017, Vol 0, Issue 2
Abstract
Nitrates themselves are relatively non-toxic, however, when swallowed they are converted to nitrites that can react with haemoglobin in the blood forming methemoglobin, which can not bind oxygen. So, this study was to assess the effect of different nitrite concentrations in the fish Heteropneustes fossilis and knowing the haemoglobin values at different intervals of nitrite exposure. Evaluation of haemoglobin concluded that with increasing concentration of sodium nitrite and also with increasing exposure period, the haemoglobin value decreases. At the end of experimental period, it was lowest i.e., 5.60g/dl. This decrease signifies that the fish’s ability to get sufficient oxygen to the tissues is restricted considerably and that results in decreased physical activity.
Authors and Affiliations
Renu Verma, Kapil Kumar
Keywords
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