Mortality of coho salmon (Oncorhynchus kisutch) associated with burdens of multiple parasite species

Ferguson, Jayde A.; Koketsu, Wataru; Ninomiya, Ikuo; Rossignol, Philippe A.; Jacobson, Kym C.; Kent, Michael L.

doi:10.1016/j.ijpara.2011.07.005

Cited by 40 publications

(49 citation statements)

References 41 publications

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“…Diagnosis of R. salmoninarum infection (i.e., BKD) was made when focal or locally extensive chronic inflammation or granulomas were observed in the kidney, liver, or spleen. 20,38 For histology therefore, tissues scored as positive were those with nonencapsulated granulomatous lesions in the kidney, spleen, or liver in the absence of parasites.…”

Section: Diagnostic Criteria For Traditional Tests and Histologymentioning

confidence: 99%

Sensitivity and specificity of histology for diagnoses of four common pathogens and detection of nontarget pathogens in adult Chinook salmon (Oncorhynchus tshawytscha) in fresh water

et al. 2013

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Abstract. Histology is often underutilized in aquatic animal disease screening and diagnostics. The agreement between histological classifications of infection and results using diagnostic testing from the American Fisheries Society's Blue Book was conducted with 4 common salmon pathogens: Aeromonas salmonicida, Renibacterium salmoninarum, Ceratomyxa shasta, and Nanophyetus salmincola. Adult Chinook salmon (Oncorhynchus tshawytscha) in Oregon were evaluated, and agreement between tests was calculated. Live and dead (both pre-and postspawning) salmon were collected from the Willamette River, Oregon, its tributaries, the Willamette Hatchery, and after holding in cool, pathogen-free water during maturation at Oregon State University. Sensitivity and specificity of histology compared to Blue Book methods for all fish, live fish only, and dead (pre-and postspawned combined) fish only were, respectively, as follows: A. salmonicida (n = 105): specificity 87.5%, 87.5%, 87.5% and sensitivity 38.6%, 14.8%, 60.0%; R. salmoninarum (n = 111): specificity 91.9%, 85.7%, 97.7% and sensitivity 16.0%, 7.1%, 27.2%; C. shasta (n = 136): specificity 56.0%, 63.3%, 28.6% and sensitivity 83.3%, 86.2%, 71.4%; N. salmincola (n = 228): specificity 68.2%, 66.7%, not possible to calculate for dead fish and sensitivity 83.5%, 80.5%, 87.3%. The specificity was good for bacterial pathogens. This was not the case for C. shasta, likely due to detection of presporogenic forms only by histology. Sensitivity of histology for bacterial pathogens was low with the exception of dead fish with A. salmonicida. Kappa analysis for agreement between Blue Book and histology methods was poor to moderate. However, histological observations revealed the presence of other pathogens that would not be detected by other methods.

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Section: Diagnostic Criteria For Traditional Tests and Histologymentioning

confidence: 99%

Sensitivity and specificity of histology for diagnoses of four common pathogens and detection of nontarget pathogens in adult Chinook salmon (Oncorhynchus tshawytscha) in fresh water

et al. 2013

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“…Parasites such as sea lice (Costello 2009), myxo sporeans (Kent et al 1994, Moran et al 1999, Ferguson et al 2011, Okamura & Feist 2011 or Cryptobia salmositica (Woo 2003) account for massive losses in fish culture. Fishborne zoonotic parasites are also acquiring worldwide relevance in aquaculture (Lima dos Santos & Howgate 2011).…”

Section: Introductionmentioning

confidence: 99%

Effect of nutrition and Enteromyxum leei infection on gilthead sea bream Sparus aurata intestinal carbohydrate distribution

Estensoro¹,

Redondo²,

Salesa³

et al. 2012

Dis. Aquat. Org.

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“…Locations and sampling gears used were inconsistent across USGS research projects, making these data unsuitable for monitoring long-term trends. The OSU dataset indicates that the strongest year classes for both species within the last 17 years probably occurred in 1998, 1999, and 2011(Simon and others, 2013. Relatively strong cohorts for both species also were documented by both OSU and USGS in 2006 (Burdick and others, 2008).…”

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confidence: 99%

Juvenile sucker cohort tracking data summary and assessment of monitoring program, 2015

Burdick¹,

Ostberg²,

Hereford³

et al. 2016

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Mortality of coho salmon (Oncorhynchus kisutch) associated with burdens of multiple parasite species

Cited by 40 publications

References 41 publications

Sensitivity and specificity of histology for diagnoses of four common pathogens and detection of nontarget pathogens in adult Chinook salmon (Oncorhynchus tshawytscha) in fresh water

Sensitivity and specificity of histology for diagnoses of four common pathogens and detection of nontarget pathogens in adult Chinook salmon (Oncorhynchus tshawytscha) in fresh water

Effect of nutrition and Enteromyxum leei infection on gilthead sea bream Sparus aurata intestinal carbohydrate distribution

Juvenile sucker cohort tracking data summary and assessment of monitoring program, 2015

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