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EC number: 202-448-4
CAS number: 95-76-1
3,4-DCA is known to have endocrine effects on fish. It could be shown
(Allner, 1997) that 3,4-DCA causes lowered androgen synthesis at tested
concentrations of 200 and 400 µg/l in breeding male Sticklebacks
(Gasterosteus aculeatus). The changes in androgen metabolism are
accompanied by changes in the secondary sex characters at concentration
of 100, 200 und 400 µg/l. The splendid colour typical of breeding males
become regressive and courtship behavior occurs no longer.
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