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Assessing disease impacts of hatcheries on downstream salmonids in the Willamette River Basin, Oregon

Creator:: Jakaitis, Michelle
Abstract:: Hatcheries are often perceived as a source of pathogen amplification, potentially increasing disease risk to free-ranging populations; at the same time, free-ranging fishes may introduce pathogens into hatcheries through untreated water sources. Many pathogens exist naturally within the environment (with the exception of introduced pathogens) and the presence of a...
Resource Type:: Masters Thesis
Full Text:: .................................................................................. 62 Disease risks at McKenzie River Hatchery

Re-examining Ceratomyxa shasta in the Pacific Northwest

Creator:: Stinson, Matthew E. T.
Abstract:: Ceratomyxa shasta infects salmonids in the Pacific Northwest (PNW) of North America, occasionally causing losses in wild and captive populations. Host-specific parasite genotypes (O, I, II, III) were previously characterized molecularly using markers in the ribosomal DNA and phenotypically by type host in the Klamath River, CA/OR. This thesis sough...
Resource Type:: Masters Thesis
Full Text:: Bay, and lower Talarik Creek, Lake Iliamna (see AFS-FHS 2010). Here I provide brief descriptions of

Evidence for molecular diversity of Piscirickettsia salmonis

Creator:: Mauel, Michael J.
Resource Type:: Dissertation
Full Text:: (Continued) Page Introduction 55 Materials and Methods 56 Results 62 Discussion 67

Spatiotemporal Distribution of Ceratonova shasta and its Genotypes in the Deschutes River Basin

Creator:: Hubbard, Kalyn M.
Abstract:: The waterborne, myxozoan parasite Ceratonova shasta is endemic to the Pacific Northwest and can be lethal to its secondary salmonid host, including the culturally, economically, and recreationally important spring Chinook salmon (Oncorhynchus tshawytscha) of the Deschutes River, OR. Previously described genotypes of C. shasta exhibit specificity with their salmonid hosts....
Resource Type:: Masters Thesis
Full Text:: ……...……………………….…..62 Figure 3.5: Temporal abundance of Ceratonova shasta in water samples collected from lower basin

Characterization of a rhabdovirus isolated from the snakehead fish (Ophicephalus striatus)

Creator:: Kasornchandra, Jiraporn
Resource Type:: Dissertation
Full Text:: Acknowledgements 61 Literature Cited 62 Characteristics of Three Rhabdoviruses Isolated from Snakehead Fish

Risk assessment : introduction and establishment of Myxobolus cerebralis in the Deschutes River Basin, Oregon, USA

Creator:: Zielinski, Christopher
Abstract:: A plan for the reestablishment of anadromous salmonid stocks into waters above the Pelton Round Butte Hydroelectric Project (PRB) located on the Deschutes River, Oregon has been under development since 1996. The PRB complex, starting at river kilometer (Rkm) 103, blocks the further upstream migration of anadromous salmonids into upper...
Resource Type:: Masters Thesis

Distribution and epizootiology of infectious pancreatic necrosis and infectious hematopoietic necrosis of salmonid fishes in Oregon

Creator:: Mulcahy, Daniel M.
Abstract:: The distribution in Oregon of two viruses affecting salmonid fishes was determined by examination of hatchery and feral fish. Infectious pancreatic necrosis virus (IPNV) was isolated from fish at the Oregon Department of Fish and Wildlife Research Laboratory, Corvallis, Roaring River, Fort Klamath, and Wizard Falls Hatcheries. Fish collected at...
Resource Type:: Dissertation
Full Text:: , AFS, 1974) for taking samples were followed. Three types of samples were taken: viscera, ovarian

Factors affecting the Ceratomyxa shasta infectious cycle and transmission between polychaete and salmonid hosts

Creator:: Bjork, Sarah J.
Abstract:: Ceratomyxa shasta is a myxozoan parasite that infects salmonid fishes causing the disease ceratomyxosis that is characterized by severe hemorrhage and necrosis of the intestine and death of the fish host. Ceratomyxa shasta is endemic to the Pacific Northwestern United States and Canada, where epizootics are reported for both wild...
Resource Type:: Dissertation

Distribution and coinfection of microparasites and macroparasites in juvenile salmonids in three upper Willamette River tributaries

Creator:: Roon, Sean Robert
Abstract:: Wild fish populations are typically infected with a variety of micro- and macroparasites that may affect fitness and survival, however, there is little published information on parasite distribution in wild juvenile salmonids in three upper tributaries of the Willamette River, OR. The objectives of this survey were to document (1)...
Resource Type:: Masters Thesis
Full Text:: salmincola at MCK in 2013………. 62 2.3 Parasite infracommunity richness at three sites………………………… 63 2.4

Structural and functional analysis of the 57 kDa protein produced by the fish pathogen, Renibacterium salmoninarum

Creator:: Wiens, Gregory D.
Abstract:: Little is known about the virulence factors of Renibacterium salmoninarum, the causative agent of salmonid bacterial kidney disease. The predominant protein produced by R. salmoninarum in broth culture or during infection is a 57/58 kDa protein (p57) which is associated with strain virulence. In this study monoclonal antibodies (MAbs) to...
Resource Type:: Dissertation
Full Text:: (protein A purified MAb 2G5). 62 4.4. Total protein stain (A) and Western blot (B) of washed

ScholarsArchive@OSU

Assessing disease impacts of hatcheries on downstream salmonids in the Willamette River Basin, Oregon

Re-examining Ceratomyxa shasta in the Pacific Northwest

Evidence for molecular diversity of Piscirickettsia salmonis

Spatiotemporal Distribution of Ceratonova shasta and its Genotypes in the Deschutes River Basin

Characterization of a rhabdovirus isolated from the snakehead fish (Ophicephalus striatus)

Risk assessment : introduction and establishment of Myxobolus cerebralis in the Deschutes River Basin, Oregon, USA

Distribution and epizootiology of infectious pancreatic necrosis and infectious hematopoietic necrosis of salmonid fishes in Oregon

Factors affecting the Ceratomyxa shasta infectious cycle and transmission between polychaete and salmonid hosts

Distribution and coinfection of microparasites and macroparasites in juvenile salmonids in three upper Willamette River tributaries

Structural and functional analysis of the 57 kDa protein produced by the fish pathogen, Renibacterium salmoninarum

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