Rapid loss of lampricide from catfish and rainbow trout following routine treatment
Journal of Agricultural and Food Chemistry
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Abstract
Rainbow trout (Oncorhynchus mykiss) and channel catfish (Ictalurus punctatus) were exposed to 3-trifluoromethyl-4-nitrophenol (TFM) and Bayluscide (niclosamide) during a sea lamprey control treatment of the Ford River, located in the upper peninsula of Michigan. Caged fish were exposed to a nominal concentration of 0.02 mg/L of niclosamide for a period of approximately 12 h. Samples of fillet tissue were collected from each fish species before treatment and at 6, 12, 18, 24, 48, 96, and 192 h following the arrival of the block of chemical at the exposure site. The fish were dissected, homogenized, extracted, and analyzed by high-performance liquid chromatography. The major residues found in the fillet tissues were TFM and niclosamide. Niclosamide concentrations were highest 12 h after arrival of the chemical block for rainbow trout (0.0395 ?? 0.0251 ??g/g) and 18 h after arrival of the chemical block for channel catfish (0.0465 ?? 0.0212 ??g/g). Residues decreased rapidly after the block of lampricide had passed and were below the detection limits in fillets of rainbow trout within 24 h and channel catfish within 96 h after the arrival of the lampricide.
Suggested Citation
Dawson, V.K., Schreier, T.M., Boogaard, M., Spanjers, N., and Gingerich, W., 2002, Rapid loss of lampricide from catfish and rainbow trout following routine treatment: Journal of Agricultural and Food Chemistry, v. 50, no. 23, p. 6780-6785, https://doi.org/10.1021/jf020443h.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Rapid loss of lampricide from catfish and rainbow trout following routine treatment |
| Series title | Journal of Agricultural and Food Chemistry |
| DOI | 10.1021/jf020443h |
| Volume | 50 |
| Issue | 23 |
| Publication Date | October 04, 2002 |
| Year Published | 2002 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Agricultural and Food Chemistry |
| First page | 6780 |
| Last page | 6785 |