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- Title
Pathology Associated with White Spot Virus (WSV) Infection in Wild Broodstock of Tiger Prawns (Penaeus monodon).
- Authors
Beng Chu Kua; Rashid, Noraziah Mat
- Abstract
A total of six wild broodstocks of tiger prawns, Penaeus monodon, were found positive for White Spot Virus (WSV) with an IQ2000 detection kit. Using histopathology, the intranuclear inclusion of haemocyte due to WSV infection was observed in the epithelium cells of the antennal gland, stomach and gills. This result confirmed that the wild broodstocks were positive with WSV without showing any white spot. Additionally, histopathological examination also revealed an accumulation of haemocytes around the hepatopancreatic tubules resulting from bacterial infection. Encapsulation and nodule formation, as well as related necrosis, were also observed around the hepatopancreatic tubules infected with a metazoan parasite. Encysted tylocephalum larval cestodes were observed in the hepatopancreas, with haemocytic aggregation being observed around the infected tubules. These findings showed some bacterial and parasitic infections which, in addition to the viral infection itself, could contribute to the 80% mortality rate in wild broodstocks infected with WSV.
- Subjects
PENAEUS monodon; PENAEUS; PENAEUS esculentus; PENAEUS japonicus; BLOOD cells; TAPEWORMS
- Publication
Tropical Life Sciences Research, 2012, Vol 23, Issue 1, p87
- ISSN
1985-3718
- Publication type
Article