P K Hershberger

Summary

Affiliation: U.S. Geological Survey
Country: USA

Publications

  1. doi request reprint Factors controlling the early stages of viral haemorrhagic septicaemia epizootics: low exposure levels, virus amplification and fish-to-fish transmission
    P K Hershberger
    US Geological Survey, Western Fisheries Research Center WFRC, Marrowstone Marine Field Station, Nordland, WA, USA
    J Fish Dis 34:893-9. 2011
  2. ncbi request reprint Dynamics of viral hemorrhagic septicemia, viral erythrocytic necrosis and ichthyophoniasis in confined juvenile Pacific herring Clupea pallasii
    Paul Hershberger
    Western Fisheries Research Center, Marrowstone Marine Field Station United States Geological Survey, Biological Resources Discipline, 616 Marrowstone Point Road, Nordland, Washington 98358, USA
    Dis Aquat Organ 70:201-8. 2006
  3. doi request reprint Susceptibility of three stocks of pacific herring to viral hemorrhagic septicemia
    P K Hershberger
    U S Geological Survey, Western Fisheries Research Center, Marrowstone Marine Field Station, 616 Marrowstone Point Road, Nordland, Washington 98358, USA
    J Aquat Anim Health 22:1-7. 2010
  4. doi request reprint Prevalence of viral erythrocytic necrosis in Pacific herring and epizootics in Skagit Bay, Puget Sound, Washington
    P K Hershberger
    US Geological Survey, Western Fisheries Research Center, Marrowstone Marine Field Station, Nordland, Washington 98358, USA
    J Aquat Anim Health 21:1-7. 2009
  5. ncbi request reprint Inactivation of Ichthyophonus spores using sodium hypochlorite and polyvinyl pyrrolidone iodine
    P K Hershberger
    Marrowstone Marine Field Station, Western Fisheries Research Center, United States Geological Survey, Nordland, WA 98358, USA
    J Fish Dis 31:853-8. 2008
  6. doi request reprint Differential survival of Ichthyophonus isolates indicates parasite adaptation to its host environment
    P K Hershberger
    Marrowstone Marine Field Station, USGS Western Fisheries Research Center, 616 Marrowstone Point Road, Nordland, Washington 98358, USA
    J Parasitol 94:1055-9. 2008
  7. ncbi request reprint Larval Pacific herring, Clupea pallasii (Valenciennes), are highly susceptible to viral haemorrhagic septicaemia and survivors are partially protected after their metamorphosis to juveniles
    P K Hershberger
    Marrowstone Marine Field Station, U S Geological Survey, Nordland, WA 98358, USA
    J Fish Dis 30:445-58. 2007
  8. doi request reprint Passive immunization of Pacific herring against viral hemorrhagic septicemia
    P K Hershberger
    U S Geological Survey, Western Fisheries Research Center Marrowstone Marine Field Station, 616 Marrowstone Point Road, Nordland, Washington 98358 9654, USA
    J Aquat Anim Health 23:140-7. 2011
  9. doi request reprint Chronic and persistent viral hemorrhagic septicemia virus infections in Pacific herring
    P K Hershberger
    Marrowstone Marine Field Station, US Geological Survey Western Fisheries Research Center, Nordland, Washington 98358, USA
    Dis Aquat Organ 93:43-9. 2010
  10. doi request reprint Viral replication in excised fin tissues (VREFT) corresponds with prior exposure of Pacific herring, Clupea pallasii (Valenciennes), to viral haemorrhagic septicaemia virus (VHSV)
    C A Grady
    U S Geological Survey Western Fisheries Research Center, Marrowstone Marine Field Station, Nordland, WA 98358, USA
    J Fish Dis 34:3-12. 2011

Collaborators

  • M K Purcell
  • C S Friedman
  • J L Gregg
  • C A Grady
  • J R Winton
  • C Rasmussen
  • Noelle van der Straaten
  • R M Wade
  • S E LaPatra
  • Richard Kocan
  • Anthony Jacobson
  • A Alan Kocan
  • Daniel Halos

Detail Information

Publications13

  1. doi request reprint Factors controlling the early stages of viral haemorrhagic septicaemia epizootics: low exposure levels, virus amplification and fish-to-fish transmission
    P K Hershberger
    US Geological Survey, Western Fisheries Research Center WFRC, Marrowstone Marine Field Station, Nordland, WA, USA
    J Fish Dis 34:893-9. 2011
    ..The results provide insights into mechanisms that initiate epizootic cascades in populations of wild herring and have implications for the design of VHSV surveys in wild fish populations...
  2. ncbi request reprint Dynamics of viral hemorrhagic septicemia, viral erythrocytic necrosis and ichthyophoniasis in confined juvenile Pacific herring Clupea pallasii
    Paul Hershberger
    Western Fisheries Research Center, Marrowstone Marine Field Station United States Geological Survey, Biological Resources Discipline, 616 Marrowstone Point Road, Nordland, Washington 98358, USA
    Dis Aquat Organ 70:201-8. 2006
    ....
  3. doi request reprint Susceptibility of three stocks of pacific herring to viral hemorrhagic septicemia
    P K Hershberger
    U S Geological Survey, Western Fisheries Research Center, Marrowstone Marine Field Station, 616 Marrowstone Point Road, Nordland, Washington 98358, USA
    J Aquat Anim Health 22:1-7. 2010
    ..These results indicate that data from experiments designed to understand the ecology of VHS virus in a given stock of Pacific herring are broadly applicable to stocks throughout the northeastern Pacific...
  4. doi request reprint Prevalence of viral erythrocytic necrosis in Pacific herring and epizootics in Skagit Bay, Puget Sound, Washington
    P K Hershberger
    US Geological Survey, Western Fisheries Research Center, Marrowstone Marine Field Station, Nordland, Washington 98358, USA
    J Aquat Anim Health 21:1-7. 2009
    ....
  5. ncbi request reprint Inactivation of Ichthyophonus spores using sodium hypochlorite and polyvinyl pyrrolidone iodine
    P K Hershberger
    Marrowstone Marine Field Station, Western Fisheries Research Center, United States Geological Survey, Nordland, WA 98358, USA
    J Fish Dis 31:853-8. 2008
    ..The results have practical implications for disinfection and biocontainment in research laboratories and other facilities that handle live Ichthyophonus cultures and/or infected fish...
  6. doi request reprint Differential survival of Ichthyophonus isolates indicates parasite adaptation to its host environment
    P K Hershberger
    Marrowstone Marine Field Station, USGS Western Fisheries Research Center, 616 Marrowstone Point Road, Nordland, Washington 98358, USA
    J Parasitol 94:1055-9. 2008
    ..spores in the absence of a host provides insight into routes of transmission, particularly among planktivorous fishes, and should be considered when designing strategies to dispose of infected fish carcasses and tissues...
  7. ncbi request reprint Larval Pacific herring, Clupea pallasii (Valenciennes), are highly susceptible to viral haemorrhagic septicaemia and survivors are partially protected after their metamorphosis to juveniles
    P K Hershberger
    Marrowstone Marine Field Station, U S Geological Survey, Nordland, WA 98358, USA
    J Fish Dis 30:445-58. 2007
    ....
  8. doi request reprint Passive immunization of Pacific herring against viral hemorrhagic septicemia
    P K Hershberger
    U S Geological Survey, Western Fisheries Research Center Marrowstone Marine Field Station, 616 Marrowstone Point Road, Nordland, Washington 98358 9654, USA
    J Aquat Anim Health 23:140-7. 2011
    ....
  9. doi request reprint Chronic and persistent viral hemorrhagic septicemia virus infections in Pacific herring
    P K Hershberger
    Marrowstone Marine Field Station, US Geological Survey Western Fisheries Research Center, Nordland, Washington 98358, USA
    Dis Aquat Organ 93:43-9. 2010
    ..Demonstration of a chronic manifestation of VHSV infection among Pacific herring maintained at ambient seawater temperatures provides insights into the mechanisms by which the virus is maintained among populations of endemic hosts...
  10. doi request reprint Viral replication in excised fin tissues (VREFT) corresponds with prior exposure of Pacific herring, Clupea pallasii (Valenciennes), to viral haemorrhagic septicaemia virus (VHSV)
    C A Grady
    U S Geological Survey Western Fisheries Research Center, Marrowstone Marine Field Station, Nordland, WA 98358, USA
    J Fish Dis 34:3-12. 2011
    ..3%). The optimized VREFT assay demonstrates promise for identifying VHSV exposure history and forecasting disease potential in populations of wild Pacific herring...
  11. doi request reprint Inability to demonstrate fish-to-fish transmission of Ichthyophonus from laboratory infected Pacific herring Clupea pallasii to naïve conspecifics
    J L Gregg
    Western Fisheries Research Center, US Geological Survey, Nordland, WA 98358, USA
    Dis Aquat Organ 99:139-44. 2012
    ..These data do not preclude the possibility of fish-to-fish transmission, but they do suggest that other transmission processes are necessary to maintain Ichthyophonus in wild Pacific herring populations...
  12. doi request reprint Sequence analysis of the internal transcribed spacer (ITS) region reveals a novel clade of Ichthyophonus sp. from rainbow trout
    C Rasmussen
    Western Fisheries Research Center, US Geological Survey, 6505 NE 65th Street, Seattle, Washington 98115, USA
    Dis Aquat Organ 89:179-83. 2010
    ..However, the consensus sequences between isolates from freshwater rainbow trout and those from marine/anadromous hosts differed in 13 to 16 nucleotides (97.8 to 98.2% nucleotide identity)...
  13. ncbi request reprint Prevalence and spatial distribution of intraerythrocytic parasite(s) in Puget Sound rockfish (Sebastes emphaeus) from the San Juan Archipelago, Washington (USA)
    Noelle van der Straaten
    Friday Harbor Laboratories, 620 University Road, Friday Harbor, Washington 98250, USA
    J Parasitol 91:980-2. 2005
    ..9%), while parasitemia of the gamont-like form varied significantly among sites, ranging from a high of 4% to a low of 0.1%. Taxonomic status of either form could not be determined at this time based on limited existing morphologic data...