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The recent identification of multiple genotypes of the salmonid parasite Ceratonova shasta with different virulence levels in Chinook salmon (Oncorhynchus tshawytscha) suggests that it may be possible to immunize fish against subsequent infection...
2014-12-13 (iso8601)
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The purpose of this project was to study the possibility of controlling
furunculosis in salmonid fish using immunological procedures.
Antiserum with an agglutinating antibody titer of 1:20,480
against Aeromonas salmonicida was produced in a horse....
1968-05-02 (iso8601)
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Abstract: Myxobolus squamalis is a myxozoan skin parasite first reported from rainbow trout (Oncorhynchus mykiss). Identification of the parasite based on myxospore morphology is unreliable because M. squamalis is similar to several other...
2013-08 (iso8601)
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Chum salmon (Oncorhynchus keta) were artificially
infected with erythrocytic necrosis virus (ENV) to study
the physiological and hematolgical consequences of ENV-infection.
Infected and control fish were held in
pathogen-free seawater and sampled...
1985-08-12 (iso8601)
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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...
2012-02-17 (iso8601)
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Pacific oysters (Crassostrea gigas), Alaska pink salmon (Oncorynchus
gorbuscha) roe and chum salmon (Oncorynchus keta) fillets were treated with
aqueous ozone in both pilot plant and commercial settings to determine its effect on
shelf-life and...
2002-05-20 (iso8601)
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This study was designed to provide life history information about juvenile fall Chinook salmon, Oncorhynchus tshawytscha
(Walbaum), in a small coastal river by 1) documenting the length of residence of the juveniles throughout the river, 2)...
1971-05-07 (iso8601)
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Because of this threat, energy and fish and wildlife interests risk a lose-lose proposition, the "field day" in which national energy entrepreneurs and federal deficit cutters would revel, if the Northwest fails to unite. Regional energy...
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Removing salmon eggs for hatchery rearing at the Kalama River Hatchery
1936-09-24
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Looking eastward at the Bighorn Crags from the canyon rim of the Middle Fork Salmon River
1941-06-27
2003-01-01 |
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Right-hand half of Salmon Creek Falls with the left-hand partly showing;1937-09-01
2024-11-22
2003-01-01 |
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Caption on mount: Off for Liverpool, salmon laden. Columbia River, Washington
PH Coll 293.24 |
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Established in 1873 by J.S. Megler.
PH Coll 293.53 Caption on mount: J.G. Megler and Co.'s Cannery. Columbia River, Washington |
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Established in 1873 by J.S. Megler.
PH Coll 293.55 Caption on mount: J.G. Megler and Co.'s Cannery. Columbia River, Washington |
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In the 1990s, the returns of sockeye salmon Oncorhynchus nerka to Long Lake in Smith Inlet, British Columbia, declined substantially. In 1997 the commercial fishery was closed, and it will not be reopened until the population shows signs of...
2011-01-08
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On verso of image: Dress house in salmon cannery. Alaska.
In Folder 65
2024-11-22
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On verso of image: Fertilizing salmon eggs as extruded from female. Salmon hatcheries.
In Folder F116
2024-11-22
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INPFC
2008-10-03
2008-10-03 1991-11-22 |
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The William G. Pearcy Papers document Pearcy's research, honors and awards, and interactions with colleagues and collaborators. William G. Pearcy was a Professor of Oceanography at Oregon State University from 1960 until his retirement in 1990....
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The objective of the Forest subproject was to inventory the timber in the Salmon River drainage, and determine the implications of river classification on timber harvest in the area. A secondary objective was to develop a methodology to relate...
1972-01-01
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During a tagging operation conducted in 1951 on the Alsea River, 1,142 adult silver salmon were tagged with plastic Petersen-type tags and stainless steel jaw tags. An attempt was made to determine whether tagged fish released in different...
1954 (iso8601)
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Managing weak stocks in mixed-stock fisheries often relies on proxies derived from data-rich indicator stocks,
although there have been limited tests of the appropriateness of such proxies. For example, full cohort reconstruction
of tagged Klamath...
2014-01-01 (iso8601)
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Early ocean residence is considered a critical period for juvenile salmon although specific survival mechanisms are often unidentified and may vary by species or life stage. Columbia River spring-run Chinook salmon Oncorhynchus tshawytscha...
2012-04-25 (iso8601)
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Wild populations of fish are faced with a multitude of stressors, which may
include human interaction, toxins, and disease. Benzo(a)pyrene (BaP), a known
carcinogen and immunotoxin, has been reported in the stomach contents of
juvenile chinook...
2003-05-09 (iso8601)
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