Peer-reviewed veterinary case report
New way to test fish medicine against Ichthyophthirius parasite
By Hu GR et al.·2025·Institute of Hydrobiology (CAS), China·View original on Europe PMC →
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Original publication title: A novel method for evaluating the efficacy of pharmaceuticals against the <i>in vivo</i> stage of <i>Ichthyophthirius multifiliis</i> in fish.
- Species:
- fish
Plain-English summary
This study introduces a new device designed to test how effective medications are against a fish parasite called Ichthyophthirius multifiliis, which can cause serious health issues in fish. The device is made of clear acrylic and includes a mesh that keeps the fish separate from the parasite while allowing researchers to see and count the parasites that fall to the bottom. By adding medication to the water, scientists can measure how many of the parasites are still alive afterward, making it easier to evaluate how well the treatment works. This new method improves the accuracy of testing medications for fish health.
Abstract
This study presents a description of a novel apparatus for evaluating the efficacy of pharmaceuticals against the <i>in vivo</i> stage of the fish parasite <i>Ichthyophthirius multifiliis</i>. The apparatus comprises a transparent acrylic rectangular cuboid, a metal wire mesh, and a gridded black acrylic bottom plate. Fallen trophonts are caught on the bottom plate and are separated from the fish by the mesh. The efficacy of a pharmaceutical can be assessed by adding it to the aquarium and subsequently counting the number of live tomonts and differntiating rate on the bottom plate. This device facilitates observation and enhances the precision and accuracy of pharmaceutical evaluation experiments.
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/40808758