Organophosphorus insecticides OPs are widely used to control crop pests, and can enter aquatic systems draining agriculturalwatersheds.
Because OPs are highly toxic to aquatic organisms,monitoring is important, yet difficult due to the low persistenceof many OPs.
Cholinesterase ChE inhibition can be used to monitor organisms' exposure to OPs and carbamates; however, highvariability in ChE activity may interfere with the ability of theassay to detect OP exposure. Several potential sources of variation in ChE activity, including water temperature, storage of samples, euthanasia method, and fish sex and size, were investigated in bluegill Lepomis macrochirus. Mean ChE activity variedinversely with fish total length.
Of the variables investigated in this study, only size needs to be restricted in fish collectedfor monitoring of OPs. This is a preview of subscription content, log in via an institution to check access. Rent this article via DeepDyve. Institutional subscriptions. Abou-Donia, M. Google Scholar. Atterberry, T. Beauvais, S. Brock, T. Brunetto, R. Carr, R. Health 45 , — Chuiko, G. Cole, K. Coppage, D. Da Cunha Bastos, V. Eaton, J.
Agricultural Handbook , pp. Ellman, G. Fairbrother, A. Mineau ed. Finlayson, B. Fishwick, S. Gard, N. Grue, C. Habig, C. Hazel, J. Hill, E. Ho, I. Hogan, J. Hunt, K. Jarvinen, A. Safety 7 , — Lockhart, W. Ludke, J. Macek, K. Marrs, T. Olson, D. Rath, S. Toxicology 19 , — Richmonds, C. Toxicol 12 , 13— SAS Institute, Inc. Sharom, M. Silver, A. Stoetling, R. Lippincott Co. Thirugnanam, M. Van der Wel, H. Safety 17 , — Van Urk, G. Vittozzi, L. Weiss, C. Water Pollut. Control Fed.
