獸醫傳染病學題庫下載題庫

Glochidia - producing freshwater bivalve molluscs:
Primarily members of the family Unioidae, this group of freshwater bivalves has an obligatory parasitic stage. The infective larvae (glochidia) are released by the adult clams and are passively dispersed via water currents. They attach to the gills and/or skin of fi sh, using sharp hooks on each shell valve. This incites a hyperplastic response in the fish ’ s epithelium. Eventually, the parasites are shed when they metamorphose into adult clams. Infestations are usually innocuous unless heavy. No treatments have been reported.  
參考資料: nog...
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Glochidia - producing freshwater bivalve molluscs:
Primarily members of the family Unioidae, this group of freshwater bivalves has an obligatory parasitic stage. The infective larvae (glochidia) are released by the adult clams and are passively dispersed via water currents. They attach to the gills and/or skin of fi sh, using sharp hooks on each shell valve. This incites a hyperplastic response in the fish ’ s epithelium. Eventually, the parasites are shed when they metamorphose into adult clams. Infestations are usually innocuous unless heavy. No treatments have been reported.  
參考資料: noga

Dermocystidium glochidia

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