Abstract
Subacute exposures of bluegills (Lepomis macrochirus) to cadmium sulfate dissolved in water were made at sublethal concentrations for periods up to 90 days. Acute exposures of bluegills and brown bullheads (Ictalurus nebulosus) were made at lethal concentrations. In living fish the accumu- lation of cadmium never exceeded 130 /g/g of gill tissue based on dry weight, but in fish that died of acute cadmium poisoning, the accumulation of cadmium was a minimum of 150 gg/g of gill tissue. The data suggest that acute cadmium poisoning can be detected by measuring cadmium in the gill tissue. Abstract: Subacute exposures of bluegills (Lepomis macrochirus) to cadmium sulfate dissolved in water were made at sublethal concentrations for periods up to 90 days. Acute exposures of bluegills and brown bullheads (Ictalurus nebulosus) were made at lethal concentrations. In living fish the accumu- lation of cadmium never exceeded 130 /g/g of gill tissue based on dry weight, but in fish that died of acute cadmium poisoning, the accumulation of cadmium was a minimum of 150 gg/g of gill tissue. The data suggest that acute cadmium poisoning can be detected by measuring cadmium in the gill tissue.
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