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Chemical Contamination of Hatchery Fish Feed

Publisher: USGS | Science Center: Western Fisheries Research Center (WFRC, Seattle) | Format: URL

wfrc.usgs.gov — This project addresses the occurrence of metal and organochlorine contaminant residues in commercial feeds purchased by the U.S. Fish and Wildlife Service (FWS) hatcheries. Research into fish feed quality could benefit all hatchery and aquaculture operations and assist in the interpretation of the effects of pollution on wild fish. Results from More...

  • Salmon with broken back syndrome

Environmental contaminants in freshwater fish and their risk to piscivorous wildlife based on a national monitoring program

Publisher: Other (Springer (Netherlands)) | Format: URL

tinyurl.com — Organochlorine chemical residues and elemental concentrations were measured in piscivorous and benthivorous fish at 111 sites from large U.S. river basins. Potential contaminant sources such as urban and agricultural runoff, industrial discharges, mine drainage, and irrigation varied among the sampling sites. Our objectives were to provide summary More...

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