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| Acute toxicity test of four disinfectants to juvenile Pinctada maxima |
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| DOI：10.16768/j.issn.1004-874X.2017.08.019 |
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| Abstract: |
| The acute toxicity of glutaraldehyde，dibromohydantoin，methionine iodine and calcium hypochlorite
to juvenile Pinctada maxima was studied. The results showed that the order of toxicity was calcium hypochlorite>
dibromohydantoin> methionine iodine> glutaraldehyde，and the median lethal concentrations（ LC50） of above
disinfectants were 13.05 mg/L，27.49 mg/L，53.20 mg/L and 67.36 mg/L respectively in 24h，and the LC50 were
10.15 mg/L，9.35 mg/L，29.27 mg/L and 35.58 mg/L respectively in 48h；and their SC（ safe concentration） were 1.86
mg/L，0.32 mg/L，2.66 mg/L and 7.52 mg/L respectively. We can use glutaraldehyde to disinfect P. maxima under
safe concentration，but should not use calcium hypochlorite，and can use dibromohydantoin and methionine iodine
carefully. |
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