Mortality rates were recorded at time 0, 24, 48, 72 and 96 h. Acute toxicity tests was carried out according to
Hotos and Vlahos [16]. The nominal concentration of
diazinon and deltamethrin estimated to result in 50%
mortality of Swordtail Fish within 24 h (24-h LC50), 48 h, 72
h and 96 h were attained by probit analysis by Finney’s
(1971) method [17] and using the maximum-likelihood
procedure (SPSS 2002, SPSS Inc., Chicago, Illinois, USA).