Susceptibility of pacific herring to viral hemorrhagic septicemia is influenced by diet

J. Beaulaurier, N. Bickford, J. L. Gregg, C. A. Grady, A. L. Gannam, J. R. Winton, P. K. Hershberger

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25 Scopus citations


Groups of specific-pathogen-free Pacific herring Clupea pallasii were highly susceptible to infection by viral hemorrhagic septicemia virus (VHSV); however, the level of mortality was influenced by diet during the 40-71 d before, during, and after the first exposure to the virus. Cumulative mortality was highest among the herring maintained on an experimental soy-based pellet, intermediate among those maintained on a commercially available fish-meal-based pellet, and lowest among those maintained on a second commercially available fish-meal-based pellet containing β-glucans. Additionally, the herring maintained on the experimental soy-based feed demonstrated less growth than those on the commercially available feeds. The results indicate the importance of standardizing diet during empirical determinations of disease susceptibility and provide insights into the risk factors affecting VHS susceptibility in wild populations.

Original languageEnglish (US)
Pages (from-to)43-48
Number of pages6
JournalJournal of Aquatic Animal Health
Issue number1
StatePublished - 2012
Externally publishedYes

ASJC Scopus subject areas

  • Aquatic Science


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