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Methylmercury in Northern Pike (Esox lucius): Distribution, Elimination, and Some Biochemical Characteristics of Contaminated Fish
Northern pike heavily contaminated with methylmercury were captured from Clay Lake, Ontario, and released in Heming Lake, Manitoba, an area relatively free of mercury. Mercury levels in muscle biop...
Toxicity and bioconcentration of 2,3,7,8-tetrachlorodibenzodioxin and 2,3,7,8-tetrachlorodibenzofuran in rainbow trout
Among the most toxic isomers of polychlorinated dibenzodioxins and polychlorinated dibenzofurans, two groups of toxic aromatic compounds, are 2,3,7,8-tetrachlorodibenzodioxin (TCDD) and… Expand
Residue dynamics and biological effects of polychlorinated biphenyls in aquatic organisms
Toxicity, residue dynamics, and biological effects of polychlorinated biphenyls (Aroclor® series) were investigated in several freshwater invertebrates and fishes. Acute static toxicities (LC50) of… Expand
Metallothionein in Fish: Review of Its Importance in Assessing Stress from Metal Contaminants
Abstract Metallothionein, a low-molecular-weight protein whose apoprotein, thionein, is induced by exposure to cadmium, copper, mercury, and zinc, plays an important role in the transport and storage… Expand
Evaluation of Metallothionein Measurement as a Biological Indicator of Stress from Cadmium in Brook Trout
Abstract A modification of an established technique for quantifying metallothionein (MT) in mammals was used to evaluate the toxicological importance of MT as a biological indicator of stress from… Expand
Toxaphene Effects on Growth and Development of Brook Trout (Salvelinus fontinalis)
Twenty-two days before hatching, eyed eggs of brook trout (Salvelinus fontinalis) were placed in a flow-through system and continuously exposed to toxaphene (0, 39, 68, 139, 288, and 502 ng/liter) ...
Endrin Toxicosis in Rainbow Trout (Salmo gairdneri)
In mature rainbow trout (Salmo gairdneri) receiving sublethal doses of endrin (4.3–145 × μg/kg body wt/day in 0.215–7.25 mg/kg of food) for 163 days and then forced to swim for 1 hr, the insecticide… Expand
Chronic Endrin Poisoning in Goldfish, Carassius auratus
Endrin incorporated into the diet of mature male goldfish for 3–4 months affected growth, gonad development, thyroid activity, serum characteristics, total and differential body fat, behavior, and… Expand
Effects of the Polychlorinated Biphenyl Aroclor® 1254 on Growth, Survival, and Bone Development in Brook Trout (Salvelinus fontinalis)
Eyed eggs of brook trout (Salvelinus fontinalis) were exposed to Aroclor® 1254 (0.43–13 μg/L) for 10 d before hatching and the fry for 118 d after hatching. Median hatching time, egg hatchability,… Expand
Toxaphene Effects on Growth and Bone Composition of Fathead Minnows, Pimephales promelas
Fathead minnows (Pimephales promelas) were exposed to toxaphene (55–1230 ng/liter) in a flow-through diluter system for 150 days. Growth was not affected by toxaphene for up to 90 days of exposure,… Expand