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[Problems with malachite green use in fish]
M Kietzmann1, H J Hapke, M Beeke
1Institut für Pharmakologie, Toxikologie und Pharmazie der Tierärztlichen Hochschule Hannover.
DTW. Deutsche Tierarztliche Wochenschrift
|July 1, 1990
Abstract:
The arylmethane dye malachite green oxalate is used as an antimycotic and antiparasitic substance for treatment of fish diseases. The therapeutical use of malachite green is not licensed by the German drug act. A decree fixes a limit of tolerance of 0.01 mg malachite green/kg food produced from fish. A so-called standard license will be prepared for malachite green as a drug for fishes. By trout and carp, malachite green is eliminated slowly. Therefore a long withdrawal time is necessary. The toxicology of the arylmethane dye and the low tolerance to observe in trout and carp is to mind.