Identification of Stressors that Affect White Spot Syndrome Virus (WSSV) Infection and Outbreak in Pond Cultured Penaeus monodon

E. Tendencia Alapide, J.A.J. Verreth

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

White spot syndrome virus (WSSV) has been a big problem to the worldwide shrimp industry. Exposure to stressors related to physicochemical water parameters affect WSSV infection but not all WSSV infections result in outbreaks. This paper describes a detailed monitoring of important physicochemical water parameters on a farm with 11 ponds that had WSSV infection. The virus was detected in shrimp exposed to two or more simultaneous stress factors (temperature, pH, water level) or multiple stressors for a number of days. Exposure to more than three stressors resulted in an outbreak of the disease within 3-6 days. Outbreaks were experienced in ponds with a temperature of 26-27°C, a pH lower than 8.0, pH fluctuation of 1.0, and a water depth of less than 1 m. Shrimp stocked in eight of the ponds were successfully harvested after 128-173 days of culture.
Original languageEnglish
Pages (from-to)616
Number of pages7
JournalIsraeli Journal of Aquaculture-Bamidgeh
Volume63
Issue number5
Publication statusPublished - 2011

Keywords

  • polymerase-chain-reaction
  • fresh-water prawn
  • litopenaeus-vannamei
  • macrobrachium-rosenbergii
  • immune-response
  • temperature
  • salinity
  • shrimp
  • juveniles
  • 33-degrees-c

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