Laserfiche WebLink
<br /> <br />1 <br />1 <br /> <br />Table 3. Continued. <br /> <br />CYANIDE 23 <br />Species, concentration, <br />and other variables Effects References <br />Cutthroat trout, Oncorhynchus clarki <br />1,000 for 20 min All fish recovered within 12 min end 31 <br /> fed and grew normally during the next <br /> 6 months <br />Coho salmon, Oncorhynchus kisutch <br />7.0 Reduction of SOR, in swimming performance 13 <br /> during 8-day exposure <br />10 Swimming speed reduced aRer exposure for 2 h 2 <br />Rainbow trout, Oncorhynchus mykiss <br />0.1 or 1.0 No effect on sperm motility or on fertilization 12 <br /> rate at lower dose; some effect on sperm <br /> motility at higher dose <br />5.0 Reduction of 5046 in swimming performance 13 <br /> in 20-day exposure <br />10 No effect on growth during 20-day exposure 13 <br /> at 6° C <br />10 Increased respiration rate in 4 days, growth 2 <br /> reduction and liver damage in 9 days, <br /> abnormal oocyte development and reduced <br /> spermatogonie production in 18-20 days <br />10, 20, or 30 for 7 days, Exposure to 10 or 20 µg/L caused a 14 <br />sexually mature females reduction in serum calcium to levels <br /> insufficient for the production of <br /> exogenous yolk; this was not observed <br /> in the 30 µg2 group <br />10, 20, or 30 for 18 days, juveniles Degenerative necrosis of ]fiver hepatocytes 15 <br /> et all concentrations in adose-dependent <br /> pattern. Severe initial growth repression at <br /> all concentrations followed by a significant <br /> increase, but growth remained depressed <br /> 40'Xc and 95•Yo in the 20 and 30 µg2 groups, <br /> respectively, at 18 days <br />10 or 20, exposure for 20 days Both concentrations resulted in abnormal 16 <br />during midsummer, sexually oocytes, delayed development, and <br />maturing females significantly reduced the number of eggs <br /> for spawning <br />15 No etfeet on growth during 20-day exposure at 13 <br /> 12° C <br />18 No deaths in 96 h at 6° C 13 <br />20 65°b reduction in weight gain after 21 days 2 <br />28 LC50 (96 h) at 6° C 10.13,17 <br />30 No effect on growth during 13 <br /> 20-day exposure at lb° C <br />32 No deaths in 96 h at 12° C 13 <br />42 LC50 (96 h) at 12° C 13,17 <br />43 LC50 (96 h) (or nonexercised juveniles 18 <br /> during winter <br />46-75 LC50 (96 h) for juveniles 6,19 <br />52 LC50 (96 h) for exercised juveniles during 18 <br /> winter <br />60 No deaths in 96 h at 18° C 13 <br />Y <br />