Volume 16 Issue 1
Jan.  1995
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ZHOU Yong-xin, CHENG Shui-ping, HU Wei, SUN Mei-juan. A New Toxicity Test Organism--Gobiocypris rarus. Zoological Research, 1995, 16(1): 59-63.
Citation: ZHOU Yong-xin, CHENG Shui-ping, HU Wei, SUN Mei-juan. A New Toxicity Test Organism--Gobiocypris rarus. Zoological Research, 1995, 16(1): 59-63.

A New Toxicity Test Organism--Gobiocypris rarus

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 1995-02-22
  • This study deals with the evaluation of Gobiocypris rarus as a toxicity test material.The acute toxicity of chromium,copper,zinc and pentachlorophenol (PCP) to Gobiocypris rarus were determined under renewal condition with a hardness of 200 mg/L (as CaCO[3]) at Ph7.8±0.2 in water held at 24-25℃.The control limits of 24 h and 96 h LC[50] of potassium dichromate to 2 d old Gobiocypris rarus were 263.6-334.7 and 115.3-178.5 mg K[2]Cr[2]O[7]/L (n=8).The values of the acute toxicity (96 h LC[50]) to 2 d old Gobiocypris rarus ranged from 52.2 μg/L for copper to 52000 μg/L for chromium,and were ranked in order of toxicity:Cu>PCP>Zn>Cr.The results of this study indicated that Gobiocypris rarus may be a proper animal for toxicity test.
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