Zhongguo ji sheng chong xue yu ji sheng chong bing za zhi = Chinese journal of parasitology & parasitic diseases · 2007
[Investigation on the nematode of Hysterothylacium aduncum (Anisakidae) from Bohai Sea and Yellow Sea in China].
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Li Liang, Xu Zhen, Zhang Lu-ping
Аннотация
OBJECTIVE: To investigate Hysterothylacium aduncum (Anisakidae) infection in marine fishes from Bohai Sea and Yellow Sea.
METHODS: Nematodes were collected from the digestive tract of fishes, fixed with hot 4% formalin and preserved in 70% ethanol for study. The specimens were cleared in lactophenol for light microscopical examination, and properly treated for scanning electron microscopy (SEM).
RESULTS: Among the fishes examined, 14 out of 93 species (15.1%) were found infected by H. aduncum, with a higher prevalence in the fish of Lophius litulon (66.7%), Scomberomorus niphonius (47.5%), and Gadus macrocephalus (33.3%). H. aduncum infection was first recorded in elasmobranch-Raja smirnovi. Morphological differences of H. aduncum were observed, including the width of lateral alae and the length of intestinal caecum.
CONCLUSION: H. aduncum in fishes of Bohai Sea and Yellow Sea in China may be a complex species, and its high prevalence in some fishes reminds the risk of anisakiasis by eating raw fishes.
METHODS: Nematodes were collected from the digestive tract of fishes, fixed with hot 4% formalin and preserved in 70% ethanol for study. The specimens were cleared in lactophenol for light microscopical examination, and properly treated for scanning electron microscopy (SEM).
RESULTS: Among the fishes examined, 14 out of 93 species (15.1%) were found infected by H. aduncum, with a higher prevalence in the fish of Lophius litulon (66.7%), Scomberomorus niphonius (47.5%), and Gadus macrocephalus (33.3%). H. aduncum infection was first recorded in elasmobranch-Raja smirnovi. Morphological differences of H. aduncum were observed, including the width of lateral alae and the length of intestinal caecum.
CONCLUSION: H. aduncum in fishes of Bohai Sea and Yellow Sea in China may be a complex species, and its high prevalence in some fishes reminds the risk of anisakiasis by eating raw fishes.