Degradation of some pesticides in avian embryos
1999
Varnagy,L.
Different pesticides (parathion, methyl-parathion, carbendazim, 2,4-D-amine salt and phosmethylane) were applied on day 9 or 12 of the hatching period in ecotoxicological trials.Formulations were either injected into the air space of pheasant, quail or hen eggs, or hen eggs were treated by the immersion technique.Pesticide residues were measured in samples on days 13, 14 and 16 of incubation of chicken and pheasant embryos, while Japanese quail embryos were analysed on days 10-14 of incubation.Analytical chemistry data showed a varying degradation rate of the compounds in avian embryos of the same species.The residues directly affected embryos, disturbing their normal development and causing pathophysiological and morphological changes.
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