Bioaccumulation of organochlorine pesticides in the parasite sp. (Nematoda: Cosmocercidae) and the amphibian host (Reuss, 1833) within Lagos metropolis, Nigeria.

Background: Amphibian species are being threatened worldwide and chemical pollution is one of the leading causes of this decline. The use of agrochemicals such as organochlorine pesticides (OCPs) among the several health and ecological challenges it causes, the sharp amphibian population decline is most pressing.Toad specimens were sampled from three (3) selected areas; each comprising of natural habitat and dumpsites within Lagos metropolis.