Journal of fish pathology (한국어병학회지)

The Korean Society of Fish Pathology (한국어병학회)
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Macroscopic and microscopic observation of white spot in carapace of imported white leg shrimp Litopenaeus vannamei

수입산 냉동 흰다리새우(Litopenaeus vannamei) 두흉갑의 흰 반점 육안 및 현미경 관찰

  • 김보성 (부산검역관리조합) ;
  • 박효진 (부산검역관리조합) ;
  • 이대욱 (부산검역관리조합) ;
  • 이무근 (부산검역관리조합) ;
  • 김은전 (국립수산물품질관리원 부산지원) ;
  • 강재연 (국립수산물품질관리원 부산지원)
  • Received : 2019.03.19
  • Accepted : 2019.06.11
  • Published : 2019.12.31
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Abstract

In this study, white spots appearing in carapace of imported white leg shrimp Litopenaeus vannamei were observed by macroscopic and microscopic examination. White spots due to white spot disease showed two types, white spots with a regular circular shape ranging from 0.4 mm to 1.7 mm and white spots with an irregular shape ranging from 0.05 mm to 2 mm. White spots due to other causes showed four types that appeared as crystalized materials in range of 100 ㎛ around the tegumental gland, as polygonal inorganic deposits ranging from 58 ㎛ to 188 ㎛, as Linear inorganic deposits ranging from 0.8 mm to 9 mm, as brownish spots ranging from 0.1 mm to 0.4 mm, and brownish spots containing melanin ranging from 0.1 mm to 2 mm. As a result, white spots occurred in imported white leg shrimp Litopenaeus vannamei were divide two type, due to white spot disease or other causes, for quarantine works.

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References

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