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Accumulation of diflubenzuron in bolti fish Orechromis niloticus

✍ Scribed by Ahmed, Mohamed Tawfic ;Eid, Abdel Hamid

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
266 KB
Volume
35
Category
Article
ISSN
0027-769X

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✦ Synopsis

Orechromis niloticus fingerlings were exposed to the insect growth inhibitor diflubenzuron 1-(2,6-Difluorobenzoyl)3-(4-chlorophenyl)urea for 21 days. Diflubenzuron was introduced to the aquariums where fish were maintained at the beginning of the experiment, then its level in water, gills and liver was detected after 1, 7, 14 and 21 days. The fish accumulated diflubenzuron 76 and 99 times greater than the water content when kept in an ambient concentration of 2.5 and 5 mg/l, respectively, indicating a low bioaccumulation potential. Some degradation products of diflubenzuron were found mainly in liver and water.

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