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首页> 美国政府科技报告 >Investigation of Contaminants in Feeds and Fish at FWS (Fish and Wildlife Service) Pacific Region National Fish Hatcheries and the Ramifications to Human and Ecological Health. FY-13 Environmental Contaminants Program Off-Refuge Investigations Sub-Activit
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Investigation of Contaminants in Feeds and Fish at FWS (Fish and Wildlife Service) Pacific Region National Fish Hatcheries and the Ramifications to Human and Ecological Health. FY-13 Environmental Contaminants Program Off-Refuge Investigations Sub-Activit

机译：FWs（鱼类和野生动物服务）太平洋国家鱼类孵化场的鱼类和鱼类污染物调查及人类和生态健康的分歧。 FY-13环境污染物计划非庇护调查次级活动

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The objectives of this report were to: 1. Evaluate and compare overall contaminant levels, including congener specific PCBs, PBDEs, dioxins, furans, and OC pesticides in commercial feeds used at different Pacific Region NFHs. 2. Identify any temporal differences in contaminant levels found in various feed forms (starter and pelleted diets) by sampling different batches during the rearing period. 3. Evaluate contaminant levels and bioaccumulation rates of different commercial diets in various life-stage history classes of three NFH fish species to determine if they will pose a risk to the health of the fish itself or to fish eating birds and mammals, including humans, who may consume the NFH fish. 4. Assess the re-distribution of contaminants during smoltification (from approximately January through April). 5. Simulate the release of fish from the NFH by fasting fish for a period of time and monitoring the mobilization and re-distribution of contaminants from the fat to vital organs, as well as conduct a preliminary examination of the physiological impacts of the redistribution using cDNA microarray technology.

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