Response of Lobsters Homarus americanus to Odor Solution in the Presence of Bleached Kraft Mill Effluent

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Abstract
The feeding response of lobsters (Homarus americanus) is not affected by bleached kraft mill effluent (BKME) at low concentrations.In test runways, lobsters walked upstream toward the source of dilute solutions of freeze-dried cod muscle extract (FDC). Differences between test and control responses occurred in only two of 12 comparisons when FDC was associated with 10, 50, and 100% BKME (Series I and II). With six concentrations of BKME, ranging from 0.01 to 2.0%, maintained in the runways (Series IV), responses to FDC were variable, but average responses for controls and tests did not differ. Conditions in the latter tests most closely approximated those in nature where some lobsters could be exposed continuously to low concentrations of BKME.

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