Acute Toxicity of Oil Dispersant GM-2 to Four Species of Aquatic Animals

doi:10.3969/j.issn.1674-5817.2011.04.007

Abstract

Abstract: Objective To compare and determine the acute toxicity of oil dispersant GM-2 to the larvae of four species of aquatic animals and to provide reference for application and management of oil dispersant. Methods Static toxicitiy tests of oil dispersant GM-2 to Moina monggollica larvae, Ctenogobius gymnauchen larvae, Artemia nauplii and Litopenaeus vannamei postlarvae were carried out, and the measurement of 24h-median lethal concentrations (24hLC₅₀) were done. Results The 24h LC₅₀ values of the four aquatic animals were respectively 53.08, 228.98, 4132.79 and 9404.08 mg/L. Conclusion There were significant differences in toxicities of the oil dispersant, the sensitivities of the four aquatic animals to oil dispersant were from high to low Moina monggollica larvae, Ctenogobius gymnauchen larvae, Artemia nauplii and Litopenaeus vannamei postlarvae. There was strong acute toxicity of the oil dispersant to Moina monggollica larvae and Ctenogobius gymnauchen larvae, the 24 h LC₅₀were muchlower than that of the state standard (GB 181881.1-2000).

Key words: Moina monggollica, Ctenogobius gymnauchen, Artemia, Litopenaeus vannamei, Oil dispersant, Acute toxicity

CLC Number:

Q95-33

WANG Ying, SUN Li-ping, WEI She-lin, CHENG lin, HUANG Ren. Acute Toxicity of Oil Dispersant GM-2 to Four Species of Aquatic Animals[J]. Laboratory Animal and Comparative Medicine, 2011, 31(4): 259-263.

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