Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Nitrite‐induced methemoglobinemia in Nile tilapia, Oreochromis niloticus

Nitrite‐induced methemoglobinemia in Nile tilapia, Oreochromis niloticus Summary Exposure of Nile tilapia, Oreochromis niloticus (mean weight, 55.72 ± 4.30 g), to two sublethal NO2–N concentrations was studied for 24 and 48 h in a static test. In nitrite exposure tests, the percentages of methemoglobin, external nitrite, plasma nitrite, hemoglobin and hematocrit were assessed. Nitrite exposure in the range of 0.50 and 1.38 mg l−1 NO2–N caused an increase in methemoglobin levels; however, methemoglobin percentages ranging from 16% to 42% represented a mild methemoglobinemia. Levels of methemoglobin were unrelated to environmental and plasmatic nitrite concentrations. The nitrite concentration in the blood did not seem to be linked to time of exposure. Nitrite exposure in Nile tilapia was associated with a marked reduction in hemoglobin and hematocrit. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ichthyology Wiley

Nitrite‐induced methemoglobinemia in Nile tilapia, Oreochromis niloticus

Loading next page...
 
/lp/wiley/nitrite-induced-methemoglobinemia-in-nile-tilapia-oreochromis-XaF009QEaN

References (23)

Publisher
Wiley
Copyright
Copyright © 2006 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0175-8659
eISSN
1439-0426
DOI
10.1111/j.1439-0426.2006.00761.x
Publisher site
See Article on Publisher Site

Abstract

Summary Exposure of Nile tilapia, Oreochromis niloticus (mean weight, 55.72 ± 4.30 g), to two sublethal NO2–N concentrations was studied for 24 and 48 h in a static test. In nitrite exposure tests, the percentages of methemoglobin, external nitrite, plasma nitrite, hemoglobin and hematocrit were assessed. Nitrite exposure in the range of 0.50 and 1.38 mg l−1 NO2–N caused an increase in methemoglobin levels; however, methemoglobin percentages ranging from 16% to 42% represented a mild methemoglobinemia. Levels of methemoglobin were unrelated to environmental and plasmatic nitrite concentrations. The nitrite concentration in the blood did not seem to be linked to time of exposure. Nitrite exposure in Nile tilapia was associated with a marked reduction in hemoglobin and hematocrit.

Journal

Journal of Applied IchthyologyWiley

Published: Oct 1, 2006

There are no references for this article.