Abstract
The FETAX (Frog Embryo Teratogenesis Assay - Xenopus) regulated by ASTM E 1439-98 (2012) is a bioassay used to determine the teratogenic potenctial of chemicals in Xenopus laevis embryos. Although it was designed for this kind of species, the standard allows the use of alternative species. The aim of this study is to adapt the protocol FETAX to Lithobates catesbeianus. For that, after we …