Toxicity of malachite green to the larvae of Penaeus monodon.
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The toxicity of malachite green to the larvae of the jumbo tiger prawn Penaeus monodon was determined in a static bioassay. Daily larval death was directly proportional to the chemical concentration of and exposure time to the dye. Estimates of the TL50 in 24, 48, 72, and 96 h are as follows: 112.80, 30.61, 18.91 and 2.27 micrograms/l for the zoeae; 2502.65, 1105.63, 610.09 and 139.01 micrograms/l for the myses; and 2900.17, 339.28, 70.85, and 66.60 micrograms/l for the postlarvae. No adverse effects on the development and moulting of larvae were noted.
Contribution No. 27, Aquaculture Department, SEAFDEC.
Suggested CitationLio-po, G. D., Lavilla, C. R., & Trillo-Llobrera, A. (1978). Toxicity of malachite green to the larvae of Penaeus monodon.
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