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EFFECT OF FOOD AVAILABILITY ON THE ACUTE TOXICITY OF FOUR CHEMICALS TO MYSIDOPSIS BAHIA IN STATIC EXPOSURES
Citation:
Cripe, G., A. Ingley-Guezou, L. Goodman, AND J. Forester. EFFECT OF FOOD AVAILABILITY ON THE ACUTE TOXICITY OF FOUR CHEMICALS TO MYSIDOPSIS BAHIA IN STATIC EXPOSURES. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-89/037 (NTIS PB90103581).
Description:
Static acute 96 h tests were conducted with Mysidopsis bahia using either carbophenothion, cypermethrin, malathion, or 4-(tert-octyl)phenol. The mysids were < 24 h old at test initiation. For each chemical, two replicate tests were conducted simultaneously with each of three rations of food provided. The rations chosen were 10 Artemia per mysid per day (A/m/d), providing survival with minimal growth, a midpoint ration (60 A/m/d), and 110 A/m/d, clearly in excess of that necessary for good survival and growth. These rations were chosen after growth studies with Mysidopsis bahia using two types of Artemia salina indicated that only rations of 5, 10 or 30 A/m/d were different from 50, 70, 90 and 110 A/m/d as measured by dry weight.