NDLI: Effects of temperature on infectivity and of commercial freezing on survival of the North American strain of viral hemorrhagic septicemia virus (VHSV).

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Effects of temperature on infectivity and of commercial freezing on survival of the North American strain of viral hemorrhagic septicemia virus (VHSV).

Content Provider	Semantic Scholar
Author	McBride, Anne M. Yun, Susan C.
Copyright Year	2006
Abstract	Temperature affected the growth of the North American strain of viral hemorrhagic septicemia virus (VHSV) in experimentally infected cell cultures and in Pacific sardine Sardinops sagax. In addition, commercial freezing significantly reduced the infectivity of VHSV in tissues of experimentally infected sardine. Isolates of VHSV representing the geographic range of North American VHSV replicated in the EPC (Epithelioma papulosum cyprini) cell line at 10, 15 and 20 degrees C, but the more northern isolates from British Columbia, Canada, demonstrated significantly reduced growth at 20 degrees C compared to VHSV from more southern locations (p <0.001). An injection challenge of Pacific sardine with VHSV from California resulted in 66.7% mortality at a seawater temperature of 13 degrees C compared to 6.7% at 20 degrees C. Commercial blast-freezing of sardine experimentally infected with VHSV reduced median concentrations of virus in the kidney and spleen from 5.25 x 10(6) to 5.5 x 10(3) pfu (plaque-forming units) g(-1). Decreased growth of the California isolate of VHSV at higher temperatures following experimental infection of the sardine and reduced virus survival following commercial freezing of infected sardine are factors that would lessen the risk of transmission of VHSV through frozen baitfishes.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.int-res.com/articles/dao2006/69/d069p145.pdf
PubMed reference number	16724558v1
Volume Number	69
Issue Number	2-3
Journal	Diseases of aquatic organisms
Language	English
Access Restriction	Open
Subject Keyword	Body tissue Carcinoma Dental Plaque Dimercaprol Freezing Hemorrhagic Septicemia, Viral Renal Tissue Sardine Seawater Sepsis Spleen Tissue Viral hemorrhagic septicemia virus
Content Type	Text
Resource Type	Article

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