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Ronald Hedrick

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Andrew J Davison; Hideo Fukuda; Derek Gatherer; Ronald P Hedrick; Ian Korf; Tomofumi Kurobe; Charles Cunningham; Thomas B Waltzek
Comparative genomics of carp herpesviruses.
Ronald P Hedrick; Fernando O Mardones; Terry S McDowell; Karin A Myklebust; Mark A Adkison; Brian Petri
Invasion and initial replication of ultraviolet irradiated waterborne infective stages of Myxobolus cerebralis results in immunity to whirling disease in rainbow trout.
Thomas B Waltzek; E Scott Weber; Gary D Marty; Michael E Alfaro; William R Bennett; Kyle A Garver; Martin Haulena; Ronald P Hedrick
Systemic iridovirus from threespine stickleback Gasterosteus aculeatus represents a new megalocytivirus species (family Iridoviridae).

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2013: Andrew J Davison; Hideo Fukuda; Derek Gatherer; Ronald P Hedrick; Ian Korf; Tomofumi Kurobe; Charles Cunningham; Thomas B Waltzek
Comparative genomics of carp herpesviruses.
Journal of virology 2013;87(5):2908-22.
2012: Ronald P Hedrick; Fernando O Mardones; Terry S McDowell; Karin A Myklebust; Mark A Adkison; Brian Petri
Invasion and initial replication of ultraviolet irradiated waterborne infective stages of Myxobolus cerebralis results in immunity to whirling disease in rainbow trout.
International journal for parasitology 2012;42(7):657-66.
2012: Thomas B Waltzek; E Scott Weber; Gary D Marty; Michael E Alfaro; William R Bennett; Kyle A Garver; Martin Haulena; Ronald P Hedrick
Systemic iridovirus from threespine stickleback Gasterosteus aculeatus represents a new megalocytivirus species (family Iridoviridae).
Diseases of aquatic organisms 2012;98(1):41-56.
2012: Mar Marcos-Lopez; Thomas B Waltzek; Steven Backman; Dolores V Baxa; Benjamin S Forward; Amber F Garber; Ronald P Hedrick; Eric Johnsen; Rebecca Liston; Hugh W Ferguson
Characterization of a novel alloherpesvirus from Atlantic cod (Gadus morhua).
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 2012;24(1):65-73.
2011: L Bowen; K Eder; Ronald P Hedrick; J D Kiernan; Christian M Leutenegger; I Werner; Mark A Adkison; M L Johnson
Euthanization methods influence cytokine mRNA expression levels in age 0 year Oncorhynchus mykiss.
Journal of fish biology 2011;79(2):539-45.
2011: M R Baerwald; J L Petersen; Ronald P Hedrick; G J Schisler; B May
A major effect quantitative trait locus for whirling disease resistance identified in rainbow trout (Oncorhynchus mykiss).
Heredity 2011;106(6):920-6.
2011: T Kurobe; Elizabeth MacConnell; F O Mardones; Terry S McDowell; C Hudson; Ronald P Hedrick
Iridovirus infections among Missouri River sturgeon: initial characterization, transmission, and evidence for establishment of a carrier state.
Journal of aquatic animal health 2011;23(1):9-18.
2010: T Kurobe; K T Kwak; Elizabeth MacConnell; Terry S McDowell; F O Mardones; Ronald P Hedrick
Development of PCR assays to detect iridovirus infections among captive and wild populations of Missouri River sturgeon.
Diseases of aquatic organisms 2010;93(1):31-42.
2009: E S Weber; G Blanc; Ronald P Hedrick
Essential veterinary education in fish health and disease: a global perspective.
Revue scientifique et technique (International Office of Epizootics) 2009;28(2):551-8.
2009: E Scott Weber; Thomas B Waltzek; Devon A Young; Erica L Twitchell; Amy E Gates; Alejandro Vagelli; Guillermo R Risatti; Ronald P Hedrick; Salvatore Frasca
Systemic iridovirus infection in the Banggai cardinalfish (Pterapogon kauderni Koumans 1933).
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 2009;21(3):306-20.
2009: Thomas B Waltzek; Garry O Kelley; Michael E Alfaro; Tomofumi Kurobe; Andrew J Davison; Ronald P Hedrick
Phylogenetic relationships in the family Alloherpesviridae.
Diseases of aquatic organisms 2009;84(3):179-94.
2009: S St-Hilaire; N Beevers; C Joiner; Ronald P Hedrick; Keith Way
Antibody response of two populations of common carp, Cyprinus carpio L., exposed to koi herpesvirus.
Journal of fish diseases 2009;32(4):311-20.
2009: T Kurobe; S Marcquenski; Ronald P Hedrick
PCR assay for improved diagnostics of epitheliotropic disease virus (EEDV) in lake trout Salvelinus namaycush.
Diseases of aquatic organisms 2009;84(1):17-24.
2009: Thomas B Waltzek; Tomofumi Kurobe; Andrew E Goodwin; Ronald P Hedrick
Development of a polymerase chain reaction assay to detect cyprinid herpesvirus 2 in goldfish.
Journal of aquatic animal health 2009;21(1):60-7.
2008: Ronald P Hedrick; Terry S McDowell; Kaveramma Mukkatira; Elizabeth MacConnell; Brian Petri
Effects of freezing, drying, ultraviolet irradiation, chlorine, and quaternary ammonium treatments on the infectivity of myxospores of Myxobolus cerebralis for Tubifex tubifex.
Journal of aquatic animal health 2008;20(2):116-25.
2008: Tomofumi Kurobe; Garry O Kelley; Thomas B Waltzek; Ronald P Hedrick
Revised phylogenetic relationships among herpesviruses isolated from sturgeons.
Journal of aquatic animal health 2008;20(2):96-102.
2008: Luis Pablo Hervé-Claude; Tim E Carpenter; Ronald P Hedrick
Risk of introducing viral hemorrhagic septicemia virus (VHSV) to the Chilean South Pacific via sardine imports from Europe.
Diseases of aquatic organisms 2008;78(3):199-207.
2008: Melinda R Baerwald; Amy B Welsh; Ronald P Hedrick; Bernie May
Discovery of genes implicated in whirling disease infection and resistance in rainbow trout using genome-wide expression profiling.
BMC genomics 2008;9():37.
2008: Dolores V Baxa; Garry O Kelley; Kaveramma Mukkatira; Katherine A Beauchamp; C Rasmussen; Ronald P Hedrick
Arrested development of the myxozoan parasite, Myxobolus cerebralis, in certain populations of mitochondrial 16S lineage III Tubifex tubifex.
Parasitology research 2008;102(2):219-28.
2007: Christin M Bendorf; Garry O Kelley; Susan C Yun; Gael Kurath; Karl B Andree; Ronald P Hedrick
Genetic diversity of infectious hematopoietic necrosis virus from Feather River and Lake Oroville, California, and virulence of selected isolates for Chinook salmon and rainbow trout.
Journal of aquatic animal health 2007;19(4):254-69.
2007: S J Grésoviac; Dolores V Baxa; Christian P Vivarès; Ronald P Hedrick
Detection of the intranuclear microsporidium Nucleospora salmonis in naturally and experimentally exposed Chinook salmon Oncorhynchus tshawytscha by in situ hybridization.
Parasitology research 2007;101(5):1257-64.
2007: Garry O Kelley; Christin M Bendorf; Susan C Yun; Gael Kurath; Ronald P Hedrick
Genotypes and phylogeographical relationships of infectious hematopoietic necrosis virus in California, USA.
Diseases of aquatic organisms 2007;77(1):29-40.
2007: Takashi Aoki; Ikuo Hirono; Ken Kurokawa; Hideo Fukuda; Ronen Nahary; Avi Eldar; Andrew J Davison; Thomas B Waltzek; Herve Bercovier; Ronald P Hedrick
Genome sequences of three koi herpesvirus isolates representing the expanding distribution of an emerging disease threatening koi and common carp worldwide.
Journal of virology 2007;81(10):5058-65.
2007: Ronald P Hedrick; B Petri; Terry S McDowell; Kaveramma Mukkatira; L J Sealey
Evaluation of a range of doses of ultraviolet irradiation to inactivate waterborne actinospore stages of Myxobolus cerebralis.
Diseases of aquatic organisms 2007;74(2):113-8.
2006: Kristen D Arkush; Holly L Edes; Anne M McBride; Mark A Adkison; Ronald P Hedrick
Persistence of Piscirickettsia salmonis and detection of serum antibodies to the bacterium in white seabass Atractoscion nobilis following experimental exposure.
Diseases of aquatic organisms 2006;73(2):131-9.
2006: Garry O Kelley; Mark A Adkison; Francisco J Zagmutt-Vergara; Christian M Leutenegger; Jeffery W Bethel; Karin A Myklebust; Terry S McDowell; Ronald P Hedrick
Evaluation of quantitative real-time PCR for rapid assessments of the exposure of sentinel fish to Myxobolus cerebralis.
Parasitology research 2006;99(4):328-35.
2006: Woutrina A Miller; Ian A Gardner; Edward R Atwill; Christian M Leutenegger; Melissa A Miller; Ronald P Hedrick; Ann C Melli; Nicole M Barnes; Patricia A Conrad
Evaluation of methods for improved detection of Cryptosporidium spp. in mussels (Mytilus californianus).
Journal of microbiological methods 2006;65(3):367-79.
2006: Kristen D Arkush; Holly L Mendonca; Anne M McBride; Susan Yun; Terry S McDowell; Ronald P Hedrick
Effects of temperature on infectivity and of commercial freezing on survival of the North American strain of viral hemorrhagic septicemia virus (VHSV).
Diseases of aquatic organisms 2006;69(2-3):145-51.
2006: Katherine A Beauchamp; Mansour El-Matbouli; Melanie Gay; Marios P Georgiadis; R Barry Nehring; Ronald P Hedrick
The effect of cohabitation of Tubifex tubifex (Oligochaeta: Tubificidae) populations on infections to Myxobolus cerebralis (Myxozoa: Myxobolidae).
Journal of invertebrate pathology 2006;91(1):1-8.
2005: Mark A Clifford; Kai J Eder; Ingeborg Werner; Ronald P Hedrick
Synergistic effects of esfenvalerate and infectious hematopoietic necrosis virus on juvenile chinook salmon mortality.
Environmental toxicology and chemistry / SETAC 2005;24(7):1766-72.
2005: Beverly A Braid; James D Moore; Thea T Robbins; Ronald P Hedrick; Ronald S Tjeerdema; Carolyn S Friedman
Health and survival of red abalone, Haliotis rufescens, under varying temperature, food supply, and exposure to the agent of withering syndrome.
Journal of invertebrate pathology 2005;89(3):219-31.
2005: Thomas B Waltzek; Garry O Kelley; David M Stone; Keith Way; Larry Hanson; Hideo Fukuda; Ikuo Hirono; Takashi Aoki; Andrew J Davison; Ronald P Hedrick
Koi herpesvirus represents a third cyprinid herpesvirus (CyHV-3) in the family Herpesviridae.
The Journal of general virology 2005;86(Pt 6):1659-67.
2005: Woutrina A Miller; Edward R Atwill; Ian A Gardner; Melissa A Miller; Heather M Fritz; Ronald P Hedrick; Ann C Melli; Nicole M Barnes; Patricia A Conrad
Clams (Corbicula fluminea) as bioindicators of fecal contamination with Cryptosporidium and Giardia spp. in freshwater ecosystems in California.
International journal for parasitology 2005;35(6):673-84.
2005: Francisco J Zagmutt-Vergara; Tim E Carpenter; Thomas B Farver; Ronald P Hedrick
Spatial and temporal variations in sea lice (Copepoda: Caligidae) infestations of three salmonid species farmed in net pens in southern Chile.
Diseases of aquatic organisms 2005;64(2):163-73.
2005: Kristen D Arkush; Anne M McBride; Holly L Mendonca; Mark Okihiro; Karl B Andree; Sergio Marshall; Vitalia Henriquez; Ronald P Hedrick
Genetic characterization and experimental pathogenesis of Piscirickettsia salmonis isolated from white seabass Atractoscion nobilis.
Diseases of aquatic organisms 2005;63(2-3):139-49.
2005: Katherine A Beauchamp; Garry O Kelley; R Barry Nehring; Ronald P Hedrick
The severity of whirling disease among wild trout corresponds to the differences in genetic composition of Tubifex tubifex populations in central Colorado.
The Journal of parasitology 2005;91(1):53-60.
2005: Herve Bercovier; Yolanta Fishman; Ronen Nahary; Sharon Sinai; Amir Zlotkin; Marina Eyngor; Oren Gilad; Avi Eldar; Ronald P Hedrick
Cloning of the koi herpesvirus (KHV) gene encoding thymidine kinase and its use for a highly sensitive PCR based diagnosis.
BMC microbiology 2005;5():13.
2004: Garry O Kelley; Katherine A Beauchamp; Ronald P Hedrick
Phylogenetic comparison of the myxosporea based on an actin cDNA isolated from Myxobolus cerebralis.
The Journal of eukaryotic microbiology 2004;51(6):660-3.
2004: Oren Gilad; Susan Yun; Francisco J Zagmutt-Vergara; Christian M Leutenegger; Herve Bercovier; Ronald P Hedrick
Concentrations of a Koi herpesvirus (KHV) in tissues of experimentally infected Cyprinus carpio koi as assessed by real-time TaqMan PCR.
Diseases of aquatic organisms 2004;60(3):179-87.
2004: Sylvie Tops; Dolores V Baxa; Terry S McDowell; Ronald P Hedrick; Beth Okamura
Evaluation of malacosporean life cycles through transmission studies.
Diseases of aquatic organisms 2004;60(2):109-21.
2004: Christopher M Whipps; Mansour El-Matbouli; Ronald P Hedrick; Vicki Blazer; Michael L Kent
Myxobolus cerebralis internal transcribed spacer 1 (ITS-1) sequences support recent spread of the parasite to North America and within Europe.
Diseases of aquatic organisms 2004;60(2):105-8.
2004: Garry O Kelley; Francisco J Zagmutt-Vergara; Christian M Leutenegger; Mark A Adkison; Dolores V Baxa; Ronald P Hedrick
Identification of a serine protease gene expressed by Myxobolus cerebralis during development in rainbow trout Oncorhynchus mykiss.
Diseases of aquatic organisms 2004;59(3):235-48.
2004: Kristen D Arkush; Holly L Mendonca; Anne M McBride; Ronald P Hedrick
Susceptibility of captive adult winter-run Chinook salmon Oncorhynchus tshawytscha to waterborne exposures with infectious hematopoietic necrosis virus (IHNV).
Diseases of aquatic organisms 2004;59(3):211-6.
2004: Garry O Kelley; Francisco J Zagmutt-Vergara; Christian M Leutenegger; Karin A Myklebust; Mark A Adkison; Terry S McDowell; Gary D Marty; Alex L Kahler; Arla L Bush; Ian A Gardner; Ronald P Hedrick
Evaluation of five diagnostic methods for the detection and quantification of Myxobolus cerebralis.
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 2004;16(3):202-11.
2004: Ronald P Hedrick; Dolores V Baxa; P de Kinkelin; Beth Okamura
Malacosporean-like spores in urine of rainbow trout react with antibody and DNA probes to Tetracapsuloides bryosalmonae.
Parasitology research 2004;92(1):81-8.
2003: Garry O Kelley; Mark A Adkison; Christian M Leutenegger; Ronald P Hedrick
Myxobolus cerebralis: identification of a cathepsin Z-like protease gene (MyxCP-1) expressed during parasite development in rainbow trout, Oncorhynchus mykiss.
Experimental parasitology 2003;105(3-4):201-10.
2003: Sihem Bahri; Karl B Andree; Ronald P Hedrick
Morphological and phylogenetic studies of marine Myxobolus spp. from mullet in Ichkeul Lake, Tunisia.
The Journal of eukaryotic microbiology 2003;50(6):463-70.
2003: Kristen D Arkush; Leonel Mendoza; Mark A Adkison; Ronald P Hedrick
Observations on the life stages of Sphaerothecum destruens n. g., n. sp., a mesomycetozoean fish pathogen formerly referred to as the rosette agent [correction].
The Journal of eukaryotic microbiology 2003;50(6):430-8.
2003: Oren Gilad; Susan Yun; Mark A Adkison; Keith Way; Neil H Willits; Herve Bercovier; Ronald P Hedrick
Molecular comparison of isolates of an emerging fish pathogen, koi herpesvirus, and the effect of water temperature on mortality of experimentally infected koi.
The Journal of general virology 2003;84(Pt 10):2661-7.
2003: Ronald P Hedrick; William N Batts; Susan Yun; G S Traxler; J Kaufman; James R Winton
Host and geographic range extensions of the North American strain of viral hemorrhagic septicemia virus.
Diseases of aquatic organisms 2003;55(3):211-20.
2003: Ronald P Hedrick; Terry S McDowelll; Oren Gilad; Mark A Adkison; Giuseppe Bovo
Systemic herpes-like virus in catfish Ictalurus melas (Italy) differs from Ictalurid herpesvirus 1 (North America).
Diseases of aquatic organisms 2003;55(2):85-92.
2003: Ronald P Hedrick; Terry S McDowell; Gary D Marty; Geoffrey T Fosgate; Kaveramma Mukkatira; Karin A Myklebust; Mansour El-Matbouli
Susceptibility of two strains of rainbow trout (one with suspected resistance to whirling disease) to Myxobolus cerebralis infection.
Diseases of aquatic organisms 2003;55(1):37-44.
2003: JL Fryer; Ronald P Hedrick
Piscirickettsia salmonis: a Gram-negative intracellular bacterial pathogen of fish.
Journal of fish diseases 2003;26(5):251-62.
2002: Katherine A Beauchamp; Melanie Gay; Garry O Kelley; Mansour El-Matbouli; R Deedee Kathman; R Barry Nehring; Ronald P Hedrick
Prevalence and susceptibility of infection to Myxobolus cerebralis, and genetic differences among populations of Tubifex tubifex.
Diseases of aquatic organisms 2002;51(2):113-21.
2002: Oren Gilad; Susan Yun; Karl B Andree; Mark A Adkison; Amir Zlotkin; Herve Bercovier; Avi Eldar; Ronald P Hedrick
Initial characteristics of koi herpesvirus and development of a polymerase chain reaction assay to detect the virus in koi, Cyprinus carpio koi.
Diseases of aquatic organisms 2002;48(2):101-8.
2001: Michael L Kent; Karl B Andree; Jerri L Bartholomew; Mansour El-Matbouli; Sherwin S Desser; Robert H Devlin; Stephen W Feist; Ronald P Hedrick; Rudolf W Hoffmann; Jaswinder Khattra; Sascha L Hallett; Robert J G Lester; Matt Longshaw; O Palenzeula; Mark E Siddall; C Xiao
Recent advances in our knowledge of the Myxozoa.
The Journal of eukaryotic microbiology 2001;48(4):395-413.
2001: Katherine A Beauchamp; R D Kathman; Terry S McDowell; Ronald P Hedrick
Molecular phylogeny of tubificid oligochaetes with special emphasis on Tubifex tubifex (Tubificidae).
Molecular phylogenetics and evolution 2001;19(2):216-24.
2001: Marios P Georgiadis; Ian A Gardner; Ronald P Hedrick
The role of epidemiology in the prevention, diagnosis, and control of infectious diseases of fish.
Preventive veterinary medicine 2001;48(4):287-302.
2001: Benny P Shum; Lisbeth A Guethlein; Laura R Flodin; Mark A Adkison; Ronald P Hedrick; R Barry Nehring; René J M Stet; C Secombes; Peter Parham
Modes of salmonid MHC class I and II evolution differ from the primate paradigm.
Journal of immunology (Baltimore, Md. : 1950) 2001;166(5):3297-308.
2000: M F Chen; S Yun; Gary D Marty; Terry S McDowell; M L House; J A Appersen; T A Guenther; Kristen D Arkush; Ronald P Hedrick
A Piscirickettsia salmonis-like bacterium associated with mortality of white seabass Atractoscion nobilis.
Diseases of aquatic organisms 2000;43(2):117-26.
2000: Marios P Georgiadis; Ronald P Hedrick; Wesley O Johnson; Susan Yun; Ian A Gardner
Risk factors for outbreaks of disease attributable to white sturgeon iridovirus and white sturgeon herpesvirus-2 at a commercial sturgeon farm.
American journal of veterinary research 2000;61(10):1232-40.
2000: Nicola Pusterla; E Johnson; J Chae; E DeRock; M Willis; Ronald P Hedrick; John E Madigan
Molecular detection of an Ehrlichia-like agent in rainbow trout (Oncorhynchus mykiss) from Northern California.
Veterinary parasitology 2000;92(3):199-207.
2000: Ronald P Hedrick; Terry S McDowell; Gary D Marty; Kaveramma Mukkatira; DB Antonio; Karl B Andree; Z Bukhari; T Clancy
Ultraviolet irradiation inactivates the waterborne infective stages of Myxobolus cerebralis: a treatment for hatchery water supplies.
Diseases of aquatic organisms 2000;42(1):53-9.
2000: Jaswinder Khattra; SJ Gresoviac; Michael L Kent; M S Myers; Ronald P Hedrick; Robert H Devlin
Molecular detection and phylogenetic placement of a microsporidian from English sole (Pleuronectes vetulus) affected by X-cell pseudotumors.
The Journal of parasitology 2000;86(4):867-71.
2000: SJ Gresoviac; Jaswinder Khattra; Steven A Nadler; Michael L Kent; Robert H Devlin; CHRISTIAN VIVARES; E De La Fuente; Ronald P Hedrick
Comparison of small subunit ribosomal RNA gene and internal transcribed spacer sequences among isolates of the intranuclear microsporidian Nucleospora salmonis.
The Journal of eukaryotic microbiology 2000;47(4):379-87.
2000: Carolyn S Friedman; Karl B Andree; Katherine A Beauchamp; James D Moore; T T Robbins; J D Shields; Ronald P Hedrick
'Candidatus Xenohaliotis californiensis', a newly described pathogen of abalone, Haliotis spp., along the west coast of North America.
International journal of systematic and evolutionary microbiology 2000;50 Pt 2():847-55.
2000: Marios P Georgiadis; Ronald P Hedrick; Wesley O Johnson; Ian A Gardner
Growth of white sturgeon (Acipenser transmontanus) following recovery from the stunted stage in a commercial farm in California, USA.
Preventive veterinary medicine 2000;43(4):283-91.
2000: Marios P Georgiadis; Ronald P Hedrick; Wesley O Johnson; Ian A Gardner
Mortality and recovery of runt white sturgeon (Acipenser transmontanus) in a commercial farm in California, USA.
Preventive veterinary medicine 2000;43(4):269-81.
2000: DB Antonio; Karl B Andree; James D Moore; Carolyn S Friedman; Ronald P Hedrick
Detection of Rickettsiales-like prokaryotes by in situ hybridization in black abalone, Haliotis cracherodii, with withering syndrome.
Journal of invertebrate pathology 2000;75(2):180-2.
2000: Michael L Kent; Jaswinder Khattra; Ronald P Hedrick; Robert H Devlin
Tetracapsula renicola n. sp. (Myxozoa : Saccosporidae); the PKX myxozoan--the cause of proliferative kidney disease of salmonid fishes.
The Journal of parasitology 2000;86(1):103-11.
1999: Corrine R Davis; Gary D Marty; Mark A Adkison; E F Freiberg; Ronald P Hedrick
Association of plasma IgM with body size, histopathologic changes, and plasma chemistries in adult Pacific herring Clupea pallasi.
Diseases of aquatic organisms 1999;38(2):125-33.
1999: DB Antonio; Mansour El-Matbouli; Ronald P Hedrick
Detection of early developmental stages of Myxobolus cerebralis in fish and tubificid oligochaete hosts by in situ hybridization.
Parasitology research 1999;85(11):942-4.
1999: Ronald P Hedrick; Terry S McDowell; Melanie Gay; Gary D Marty; Marios P Georgiadis; E MacConnell
Comparative susceptibility of rainbow trout Oncorhynchus mykiss and brown trout Salmo trutta to Myxobolus cerebralis, the cause of salmonid whirling disease.
Diseases of aquatic organisms 1999;37(3):173-83.
1999: Benny P Shum; Raja Rajalingam; Katharine E Magor; K Azumi; William Henry Carr; B Dixon; René J M Stet; Mark A Adkison; Ronald P Hedrick; Peter Parham
A divergent non-classical class I gene conserved in salmonids.
Immunogenetics 1999;49(6):479-90.
1999: Karl B Andree; Mansour El-Matbouli; R W Hoffman; Ronald P Hedrick
Comparison of 18S and ITS-1 rDNA sequences of selected geographic isolates of Myxobolus cerebralis.
International journal for parasitology 1999;29(5):771-5.
1999: Mansour El-Matbouli; Terry S McDowell; DB Antonio; Karl B Andree; Ronald P Hedrick
Effect of water temperature on the development, release and survival of the triactinomyxon stage of Myxobolus cerebralis in its oligochaete host.
International journal for parasitology 1999;29(4):627-41.
1999: Karl B Andree; Csaba Székely; Kálmán Molnár; SJ Gresoviac; Ronald P Hedrick
Relationships among members of the genus Myxobolus (Myxozoa: Bilvalvidae) based on small subunit ribosomal DNA sequences.
The Journal of parasitology 1999;85(1):68-74.
1999: Mansour El-Matbouli; Rudolf W Hoffmann; H Schoel; Terry S McDowell; Ronald P Hedrick
Whirling disease: host specificity and interaction between the actinosporean stage of Myxobolus cerebralis and rainbow trout Oncorhynchus mykiss.
Diseases of aquatic organisms 1999;35(1):1-12.
1998: Ronald P Hedrick; Mansour El-Matbouli; Mark A Adkison; E MacConnell
Whirling disease: re-emergence among wild trout.
Immunological reviews 1998;166():365-76.
1998: B Dixon; Benny P Shum; Erin J Adams; Katharine E Magor; Ronald P Hedrick; David G Muir; Peter Parham
CK-1, a putative chemokine of rainbow trout (Oncorhynchus mykiss).
Immunological reviews 1998;166():341-8.
1998: Karl B Andree; E MacConnell; Ronald P Hedrick
A nested polymerase chain reaction for the detection of genomic DNA of Myxobolus cerebralis in rainbow trout Oncorhynchus mykiss.
Diseases of aquatic organisms 1998;34(2):145-54.
1998: L R Watson; Joseph M Groff; Ronald P Hedrick
Replication and pathogenesis of white sturgeon iridovirus (WSIV) in experimentally infected white sturgeon Acipenser transmontanus juveniles and sturgeon cell lines.
Diseases of aquatic organisms 1998;32(3):173-84.
1998: Carolyn S Friedman; Blaine L Beaman; J Chun; M Goodfellow; A Gee; Ronald P Hedrick
Nocardia crassostreae sp. nov., the causal agent of nocardiosis in Pacific oysters.
International journal of systematic bacteriology 1998;48 Pt 1():237-46.
1997: Karl B Andree; SJ Gresoviac; Ronald P Hedrick
Small subunit ribosomal RNA sequences unite alternate actinosporean and myxosporean stages of Myxobolus cerebralis the causative agent of whirling disease in salmonid fish.
The Journal of eukaryotic microbiology 1997;44(3):208-15.
1996: Mark A Adkison; B Basurco; Ronald P Hedrick
Humoral immunoglobulins of the white sturgeon, Acipenser transmontanus: partial characterization of and recognition with monoclonal antibodies.
Developmental and comparative immunology 1996;20(4):285-98.
1996: Ronald P Hedrick
Movement of pathogens with the international trade of live fish: problems and solutions.
Revue scientifique et technique (International Office of Epizootics) 1996;15(2):523-31.
1996: Isabelle Desportes-Livage; Stefan Chilmonczyk; Ronald P Hedrick; C Ombrouck; D Monge; I Maiga; M Gentilini
Comparative development of two microsporidian species: Enterocytozoon bieneusi and Enterocytozoon salmonis, reported in AIDS patients and salmonid fish, respectively.
The Journal of eukaryotic microbiology 1996;43(1):49-60.
1995: J Wongtavatchai; Patricia A Conrad; Ronald P Hedrick
Effect of the microsporidian Enterocytozoon salmonis on the immune response of chinook salmon.
Veterinary immunology and immunopathology 1995;48(3-4):367-74.
1995: J Wongtavatchai; Patricia A Conrad; Ronald P Hedrick
In vitro characteristics of the microsporidian: Enterocytozoon salmonis.
The Journal of eukaryotic microbiology 1995;42(4):401-5.
1995: Ronald P Hedrick; Terry S McDowell
Properties of iridoviruses from ornamental fish.
Veterinary research 1995;26(5-6):423-7.
1992: D Baxa-Antonio; Joseph M Groff; Ronald P Hedrick
Experimental horizontal transmission of Enterocytozoon salmonis to chinook salmon, Oncorhynchus tshawytscha.
The Journal of protozoology 1992;39(6):699-702.
1991: C S Friedman; D F Cloney; D Manzer; Ronald P Hedrick
Haplosporidiosis of the Pacific oyster, Crassostrea gigas.
Journal of invertebrate pathology 1991;58(3):367-72.
1991: S Chilmonczyk; W T Cox; Ronald P Hedrick
Enterocytozoon salmonis n. sp.: an intranuclear microsporidium from salmonid fish.
The Journal of protozoology 1991;38(3):264-9.
1991: Joseph M Groff; A Mughannam; Terry S McDowell; A Wong; M J Dykstra; F L Frye; Ronald P Hedrick
An epizootic of cutaneous zygomycosis in cultured dwarf African clawed frogs (Hymenochirus curtipes) due to Basidiobolus ranarum.
Journal of medical and veterinary mycology : bi-monthly publication of the International Society for Human and Animal Mycology 1991;29(4):215-23.
1990: Ronald P Hedrick; Joseph M Groff; Terry S McDowell
Gill sphaerosporosis in goldfish (Carassius auratus).
Journal of wildlife diseases 1990;26(4):558-60.
1990: Ronald P Hedrick; Joseph M Groff; Mark Okihiro; Terry S McDowell
Herpesviruses detected in papillomatous skin growths of koi carp (Cyprinus carpio).
Journal of wildlife diseases 1990;26(4):578-81.
1990: Ronald P Hedrick; Terry S McDowell; Joseph M Groff
Sphaerospora ictaluri n. sp. (Myxosporea: Sphaerosphoridae) observed in the kidney of channel catfish, Ictalurus punctatus rafinesque.
The Journal of protozoology 1990;37(2):107-12.
1989: D J Laurén; A Wishkovsky; Joseph M Groff; Ronald P Hedrick; David E Hinton
Toxicity and pharmacokinetics of the antibiotic fumagillin in yearling rainbow trout (Salmo gairdneri).
Toxicology and applied pharmacology 1989;98(3):444-53.
1988: JL Fryer; Ronald P Hedrick; J W Park; Y C Hah
Isolation of Aeromonas salmonicida from masu salmon in the Republic of Korea.
Journal of wildlife diseases 1988;24(2):364-5.
1988: Ronald P Hedrick; M L Kent; R J Toth; J K Morrison
Fish infected with Sphaerospora spp. Thélohan (Myxosporea) from waters enzootic for proliferative kidney disease of salmonids.
The Journal of protozoology 1988;35(1):13-8.
1987: Ronald P Hedrick; Terry S McDowell; Joseph M Groff
Mycobacteriosis in cultured striped bass from California.
Journal of wildlife diseases 1987;23(3):391-5.
1987: M L Kent; Ronald P Hedrick
Effects of cortisol implants on the PKX myxosporean causing proliferative kidney disease in rainbow trout, Salmo gairdneri.
The Journal of parasitology 1987;73(3):455-61.
1987: James R Winton; C N Lannan; JL Fryer; Ronald P Hedrick; T R Meyers; J A Plumb; T Yamamoto
Morphological and biochemical properties of four members of a novel group of reoviruses isolated from aquatic animals.
The Journal of general virology 1987;68 ( Pt 2)():353-64.
1986: G E Duhamel; M L Kent; N O Dybdal; Ronald P Hedrick
Henneguya exilis Kudo associated with granulomatous branchitis of channel catfish Ictalurus punctatus (Rafinesque).
Veterinary pathology 1986;23(4):354-61.
1985: M L Kent; Ronald P Hedrick
PKX, the causative agent of proliferative kidney disease (PKD) in Pacific salmonid fishes and its affinities with the Myxozoa.
The Journal of protozoology 1985;32(2):254-60.
1984: Ronald P Hedrick; R Rosemark; D Aronstein; James R Winton; T McDowell; D F Amend
Characteristics of a new reovirus from channel catfish (Ictalurus punctatus).
The Journal of general virology 1984;65 ( Pt 9)():1527-34.
1983: Ronald P Hedrick; N Okamoto; T Sano; JL Fryer
Biochemical characterization of eel virus european.
The Journal of general virology 1983;64 (Pt 6)():1421-6.