| first record of neoergasilus japonicus (poecilostomatoida: ergasilidae), a parasitic copepod new to the laurentian great lakes. | the parasitic copepod neoergasilus japonicus, native to eastern asia, was first collected from 4 species of fish (fathead minnow, pimephales promelas; largemouth bass, micropterus salmoides; pumpkinseed sunfish, lepomis gibbosus; and yellow perch, perca flavescens) in july 1994 in saginaw bay, lake huron, michigan. further sampling in the bay in 2001 revealed infections on 7 additional species (bluegill, lepomis macrochirus; carp, cyprinus carpio; channel catfish, ictalurus punctatus; goldfish, ... | 2002 | 12197110 |
| perfluorinated compounds in aquatic organisms at various trophic levels in a great lakes food chain. | trophic transfer of perfluorooctanesulfonate (pfos) and other related perfluorinated compounds was examined in a great lakes benthic foodweb including water-algae-zebra mussel-round goby-smallmouth bass. in addition, perfluorinated compounds were measured in livers and eggs of chinook salmon and lake whitefish, in muscle tissue of carp, and in eggs of brown trout collected from michigan. similarly, green frog livers, snapping turtle plasma, mink livers, and bald eagle tissues were analyzed to de ... | 2005 | 15883668 |
| changes in thyroid and vitamin a status in mink fed polyhalogenated-aromatic-hydrocarbon-contaminated carp from the saginaw river, michigan, usa. | a study was conducted to determine whether changes in thyroid and vitamin a dynamics were induced in ranch mink exposed to environmentally relevant concentrations of polyhalogenated aromatic hydrocarbons. adult female mink were fed diets that contained 0% (control), 10%, 20%, or 30% wild carp (cyprinus carpio) collected from the saginaw river, michigan, usa. total polychlorinated biphenyls concentrations were 0.03, 0.83, 1.05, and 1.69 mg/kg feed, respectively; the 2,3,7,8-tetrachlorodibenzo-p-d ... | 2006 | 16499904 |
| development and use of real-time reverse transcription-polymerase chain reaction assay to quantify cytochrome p4501a1 expression in american mink. | the distribution of natural populations of american mink is restricted to locales that are in proximity to aquatic ecosystems. because of the lipophilicity and persistence of polychlorinated biphenyls (pcbs) and reliance of mink on aquatic-based diets, mink at contaminated locales often bioacccumulate high levels of pcbs. in addition, in controlled laboratory studies, mink are highly sensitive at reproductive and developmental end points to the toxic effects of environmental pcb mixtures. it is ... | 2009 | 19277445 |
| bioaccumulation of polychlorinated dibenzo-p-dioxins, dibenzofurans, and dioxin-like polychlorinated biphenyls in fishes from the tittabawassee and saginaw rivers, michigan, usa. | characterizing biological factors associated with species-specific accumulation of contaminants is one of the major focuses in ecotoxicology and environmental chemistry studies. in this study, polychlorinated dibenzo-p-dioxins (pcdds), dibenzofurans (pcdfs), and non- and mono-ortho-substituted polychlorinated biphenyl (pcb) congeners were analyzed in various fish species from the tittabawassee and saginaw rivers (12 fish species; n=314 individuals), michigan, usa. due to their migratory habits, ... | 2010 | 20206964 |
| low prevalence of cyprinid herpesvirus 3 found in common carp (cyprinus carpio carpio) collected from nine locations in the great lakes. | cyprinid herpesvirus 3 (cyhv3) is a viral disease of fish first detected in the united states in 1998. since that time, mortality events in common carp (cyprinus carpio carpio) have occurred in several locations within the great lakes basin, but not within the great lakes themselves. we sampled 675 carp from 20 sites across the great lakes and lake st. clair, michigan, usa, between 19 july and 26 september 2010. we tested the gill and a pooled internal organ sample from each fish for cyhv3 with ... | 2012 | 23060516 |
| effectiveness of a sediment time critical removal action-pcb reduction in fish tissue, surface water, and sediment via wet excavation. | documenting successful remediation of polychlorinated biphenyl (pcb)-contaminated sediments is limited; potentially due to inadequate monitoring methods, complexities associated with the environment, and selected remedial techniques. at some sites, absence of appropriate baseline and postremoval monitoring limits proper evaluation of remedial efficacy. accurate interpretation of interactions between media, space, time, species, lipid content, and remedial technique requires robust study design a ... | 2015 | 25070026 |
| effects of biologically-active chemical mixtures on fish in a wastewater-impacted urban stream. | stream flow in urban aquatic ecosystems often is maintained by water-reclamation plant (wrp) effluents that contain mixtures of natural and anthropogenic chemicals that persist through the treatment processes. in effluent-impacted streams, aquatic organisms such as fish are continuously exposed to biologically-active chemicals throughout their life cycles. the north shore channel of the chicago river (chicago, illinois) is part of an urban ecosystem in which >80% of the annual flow consists of e ... | 2011 | 21849205 |
| assessment of effects in mink caused by consumption of carp collected from the saginaw river, michigan, usa. | polychlorinated hydrocarbons, including polychlorinated biphenyls (pcbs), polychlorinated dibenzo-p-dioxins (pcdds), and polychlorinated dibenzofurans (pcdfs), are ubiquitous environmental contaminants that bioconcentrate in the food chain. numerous studies have demonstrated mink (mustela vison) to be one of the most sensitive species to this group of compounds. in recent studies, a lesion characterized by osteoinvasion of epithelial cells into the mandible and maxilla of young mink fed diets co ... | 2006 | 16418898 |
| induction of cyp1a mrna in carp (cyprinus carpio) from the kalamazoo river polychlorinated biphenyl-contaminated superfund site and in a laboratory study. | the kalamazoo river superfund site in michigan is contaminated with polychlorinated biphenyls (pcbs), which were heavily discharged into the river from several paper companies as part of the deinking process in the 1950s through 1970s. we characterized biomarkers of chronic pcb exposure in a resident fish population using real-time reverse transcriptase-polymerase chain reaction to examine mrna expression levels of multiple genes in carp (cyprinus carpio) liver from pcb contaminated and referenc ... | 2006 | 16328624 |
| dietary exposure of mink to carp from saginaw bay, michigan: 2. hematology and liver pathology. | the effects of consumption of environmental contaminants contained in carp (cyprinus carpio) from saginaw bay, michigan on various hematological parameters and liver integrity of adult female mink (mustela vision) were determined. mink were fed diets that contained 0 (control), 10, 20, or 40% carp prior to and throughout the reproductive period (182 days). the diets contained 0.015, 0.72, 1.53, and 2.56 mg polychlorinated biphenyls (pcbs)/kg diet and 1.0, 19, 40, and 81 pg 2,3,7,8-tetrachlorodib ... | 1995 | 7487160 |
| dietary exposure of mink to carp from saginaw bay, michigan. 1. effects on reproduction and survival, and the potential risks to wild mink populations. | carp (cyprinus carpio) collected from saginaw bay, michigan, containing 8.4 mg total polychlorinated biphenyls (pcbs)/kg and 194 ng of 2,3,7,8-tetrachloro-dibenzo-p-dioxin equivalents (teqs)/kg, were substituted for marine fish at levels of 0, 10, 20, or 40% in the diets of adult ranch mink (mustela vison). the diets, containing 0.015, 0.72, 1.53, and 2.56 mg pcbs/kg diet, or 1.03, 19.41, 40.02, and 80.76 ng teqs/kg diet, respectively, were fed to mink prior to and throughout the reproductive pe ... | 1995 | 7726645 |
| contaminants in fishes from great lakes-influenced sections and above dams of three michigan rivers. ii: implications for health of mink. | populations of mink (mustela vison) have declined in many areas of the world. such declines have been linked to exposures to synthetic, halogenated hydrocarbons. in the great lakes region, mink are fewer in areas along the shore of the great lakes and their tributaries where mink have access to fish from the great lakes. recently, there has been discussion of the relative merits of passage of fishes around hydroelectric dams on rivers in michigan. a hazard assessment was conducted to determine t ... | 1994 | 8060165 |
| contaminants in fishes from great lakes-influenced sections and above dams of three michigan rivers. i: concentrations of organo chlorine insecticides, polychlorinated biphenyls, dioxin equivalents, and mercury. | fishes of the great lakes contain hazardous chemicals such as synthetic halogenated hydrocarbons and metals. these fish can move from the lakes into the great lakes tributaries of michigan. in doing so, they transport concentrations of contaminants which may represent a risk to wildlife. concentrations of mercury (hg), total polychlorinated biphenyls (pcbs), 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents (tcdd-eq), total ddt complex, aldrin, endrin, dieldrin, heptachlor, heptachlor epoxide, lin ... | 1994 | 8060164 |
| identification and determination of tert-alkylphenols in carp from the trenton channel of the detroit river, michigan, usa. | whole carp from the detroit river were analyzed by gas chromatographic mass spectrometry. seven tertiary alkyl phenols (tert-pentylphenols, tert-butyl-tert-pentylphenols, a di-tert-pentylphenol and a tri-tert-pentylphenol) and eight chlorinated derivatives of these compounds were identified from their mass spectra and confirmed with synthesized authentic standards. 2,4-di-tert-pentylphenol was the most abundant of these compounds; in one fish sample, its concentration was about 140 ppm. the same ... | 1989 | 2775903 |
| nutritive value of fish from michigan waters; thiamin of lake herring, carp, common sucker, burbot, and smelt. | | 2016 | 20286556 |
| nutritive value of fish from michigan waters; nicotinic acid of lake herring, carp, common suckers, and burbot. | | 2016 | 21025062 |
| making sense of the noise: the effect of hydrology on silver carp edna detection in the chicago area waterway system. | environmental dna (edna) sampling is an emerging tool for monitoring the spread of aquatic invasive species. one confounding factor when interpreting edna sampling evidence is that edna can be present in the water in the absence of living target organisms, originating from excreta, dead tissue, boats, or sewage effluent, etc. in the chicago area waterway system (caws), electric fish dispersal barriers were built to prevent non-native asian carp species from invading lake michigan, and yet asian ... | 2017 | 28675881 |