Abstract:The effects of elevated in ovo selenium (Se) exposure on late stage larval Xenopus laevis development were investigated. Adult females were fed diets augmented with selenomethionine for 68 days and bred with untreated males to obtain embryos with measured concentrations of 1.6 (control), 10.8, 28.1 and 81.7 μg Se/g dry mass. Embryos were reared under uncontaminated conditions until 50 % of individuals within an aquarium had completed metamorphosis. The highest in ovo Se exposure group exhibited greater froglet… Show more
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