Abstract
Bluegill sunfish ( Lepomis macrochirus), exposed to a 22-day subchronic exposure of pentachlorophenol at concentrations of approximately 20 and 75% of the 96-h median lethal concentration (96 h LC 50), showed significant reductions in food conversion efficiency measured during the last 10 days of exposure. Bluegills exposed to a 3-day acute spill-mimicking exposure of pentachlorophenol at a concentration of approximately 100% of the 96 h LC 50 failed to show a significant reduction in food conversion efficiency measured during the 10 days following exposure. Bluegill sunfish exposed to pentachlorophenol at continuous low-level concentrations are at a greater risk for decreased growth than those exposed to a more concentrated short-term pulse of toxicant.
Published Version
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