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A chronic toxicity study was conducted in earthworms (Pheretima peguana) exposed to soil spiked with chlorpyrifos at concentrations of 0, 0.1, 1, 10, and 100 mg/kg soil dry matter for 7, 14, and 28 days. The integrity of the coelomocyte lysosomal membrane, nervous system, and male reproductive tissue was monitored using, respectively, the neutral‐red retention assay, acetylcholinesterase (AChE) enzyme...
The intestinal flukes Haplorchis taichui (Nishigori, 1924) and Haplorchis pumilio (Looss, 1899) (family Heterophyidae) are among the most important food‐borne parasitic zoonoses found in Southeast Asia. Here, we report on a study of infection rates in freshwater snails of the two Cerithioidean families Thiaridae and Pachychilidae in the south of Thailand. The snails were collected by handpicking and...
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