Experimental infection of western hemisphere penaeid shrimp with Asian white spot syndrome virus and Asian yellow head virus

Donald V Lightner, K. W. Hasson, B. L. White, R. M. Redman

Research output: Contribution to journalArticle

117 Citations (Scopus)

Abstract

Postlarval and juvenile stages of four species of western hemisphere penaeid shrimp (Penaeus aztecus, P. duorarum, P. setiferus, and P. vannamei) were experimentally challenged with white spot syndrome virus (WSSV) and yellow head virus (YHV) isolates originating from Asia. Challenge exposures were accomplished by feeding minced tissue from WSSV- or YHV-infected shrimp tissues. The WSSV challenge of postlarval shrimp resulted in severe infections in P. setiferus and P. vannamei and less severe infections in P. aztecus and P. duorarum. The WSSV challenge of juvenile shrimp (~1 g) resulted in severe infections and 100% cumulative mortality in P. setiferus and P. vannamei, moderate infections and 27% cumulative mortality in P. aztecus, and no signs of infection and 0% cumulative mortality in P. duorarum. The YHV challenge caused serious disease and mortality in juveniles of all four species, but postlarval shrimp appeared resistant to YHV because no virus-related signs of infection, mortality, or distinctive histopathology were detected. The findings of this preliminary study suggest that Asian WSSV and YHV are potentially serious pathogens for the species of western hemisphere penaeid shrimp that were tested.

Original languageEnglish (US)
Pages (from-to)271-281
Number of pages11
JournalJournal of Aquatic Animal Health
Volume10
Issue number3
StatePublished - Sep 1998

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Roniviridae
White spot syndrome virus 1
Gill-associated virus
Penaeidae
White spot syndrome virus
virus
Farfantepenaeus aztecus
shrimp
Infection
Mortality
infection
mortality
Farfantepenaeus duorarum
Litopenaeus setiferus
Litopenaeus vannamei
histopathology
Viruses
viruses
pathogens

ASJC Scopus subject areas

  • Aquatic Science
  • veterinary(all)

Cite this

Experimental infection of western hemisphere penaeid shrimp with Asian white spot syndrome virus and Asian yellow head virus. / Lightner, Donald V; Hasson, K. W.; White, B. L.; Redman, R. M.

In: Journal of Aquatic Animal Health, Vol. 10, No. 3, 09.1998, p. 271-281.

Research output: Contribution to journalArticle

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