Use Of The Red Crawfish, Procambarus Clarki (Girard), For Herbicidal Assays

Bioassays were conducted on two herbicides, potassium azide and sodium azide, using the red crawfish, Procambarus clarki, and bluegill sunfish, Lepomis macrochirus, as test animals. These chemicals proved to be more toxic to crawfish than to fish. Comparisons are made of laboratory toxicity values and field tests conducted in rice fields. Recommended techniques for crawfish bioassays are described.

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59293