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This study assessed the effects of cypermethrin and temperature on the survival, growth, sex differentiation, and gonadal development of Odontesthes bonariensis, a gonochoristic teleost with a strong thermolabile sex differentiation. Two complementary trials were conducted. In the first trial, newly hatched larvae were exposed during six weeks to 0 or 0.1μgL −1 of cypermethrin at 17, 22, and...
The time- and concentration-dependent accumulation patterns of three environmentally relevant metals, with different chemical and biological properties, were comparatively evaluated in tissue of South American fish, pejerrey (Odontesthes bonariensis). Six-month-old juvenile pejerrey were exposed to 1, 5, or 10μgl −1 of Cd 2+ ; 10, 50, or 100μgl −1 of Cu 2+ ; or 100,...
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