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Fish-sci list members:
We are attempting to study the effects of various chemicals on
bluegill survival to approximately 20 days post hatch. However, we
are experiencing near 100% mortality (in controls) at about 11 days
after hatch (25C). Mortality seems to be due to lack of swim bladder
inflation and switch from endogenous to exogenous nutrition (we are
feeding marine rotifers). We have tried and are continuing to try
various things to improve the situation but so far, no luck. Do any
of you have procedures that might get us at least 50% control
survival? Any suggestions/insight would be greatly appreciated.
Thank you in advance.
Diana Papoulias
Fish Biologist
Columbia Environmental Research Center
USGS-BRD
4200 New Haven Rd.
Columbia, MO 65201
(t) 573 876 1902
(f) 573 876 1896
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