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Showing 1 to 20 of 36 for “"chinook salmon"”.

  1. Age Determination of Modern and Archaeological Chinook Salmon (Oncorhynchus tshawytcha) Using Vertebrae

    Hofkamp, Anthony Raymond

    portland-state Repository record

  2. Life History and Bioenergetics of Chinook Salmon in Lake Oahe, South Dakota

    Hill, Tracy D.

    The food habits and population dynamics of chinook salmon Oncorhynchus tshawytscha were investigated from 1993 through 1995 and was combined with information on energetics and growth from previous studies to determine the trophic interactions of chinook salmon in Lake Oahe, South Dakota. During …

    sdstate Repository record

  3. Inbreeding depression and segregation distortion in Chinook salmon: Conservation implications of genetic load

    Komsa, KendraUniversity of Windsor2012

    … inbreeding. Surprisingly, ID studies within salmonids are not extensive. Here, I used inbred offspring of self-fertilized hermaphrodite parents to study the effects of ID in Chinook salmon ( Oncorhynchus tshawytscha ) at an extreme level of inbreeding. High levels of ID were found after a …

    windsor Repository record

  4. Jacking in Chinook salmon (Oncorhynchus tshawytscha ): environmental and genotypic effects on life history strategy

    Young, William BrentUniversity of Windsor2009

    Jacking in Chinook salmon (Oncorhynchus tshawytscha), is defined as precocious sexual maturation of males after at least 1 year in sea water, and occurring 1 year prior to females of the same cohort. Substantial evidence supports genetic, environmental, and genetic by environmental effects on …

    windsor Repository record

  5. Induction of Apoptosis and Necrosis By Infectious Pancreatic Necrosis Virus in Chinook Salmon Embryo Cells

    Doyle, Timothy M.

    … kidney, and liver tissues in infected salmonid fish, but no research indicates the incidence of apoptasis associated with IPNV infection. Histological evidence from infected fish tissue demonstrates pyknotic nuclei within damaged tissue distinct from surrounding necrotic tissue. The …

    mo-state Repository record

  6. Understanding the Mechanisms that Determine Feed Conversion Ratio in Chinook Salmon – Physiological and Behavioural Aspects

    Elvy, Jordan EllenResearchSpace@Auckland2024

    … that influence individual FCR variation in Chinook salmon (Oncorhynchus tshawytscha). Feed efficient and inefficient Chinook salmon, in freshwater and saltwater, were identified using ballotini beads and X-radiography to determine individual feed intake. Comparisons of physiological traits …

    auckland-ms Repository record

  7. Resource use and life history patterns of juvenile Coho and Chinook salmon in an Alaskan estuary

    Pierce, Brianna Dailey2017

    … valuable nursery grounds for anadromous Pacific salmon supplying diverse habitats, quality foraging grounds, and a transition between freshwater and saltwater environments. By providing alternative rearing habitats, estuaries may also bolster the life history diversity expressed in a population, …

    washington Repository record

  8. Genetic, environmental, and physiological factors involved in the precocious sexual maturation of chinook salmon (Oncorhynchus tshawytscha)

    Heath, Daniel D.University of British Columbia1992

    Male chinook salmon (Oncorhynchus tshawytscha), that mature sexually one year prior to females and after at least one summer in sea water, are known as jacks. A breeding experiment to test for genetic and environmental (temperature at early rearing) effects on the incidence of jacking in chinook …

    ubc Repository record

  9. Techniques of RNA Isolation and Characterization in Infectious Pancreatic Necrosis Virus-Infected Chinook Salmon Embryo Cells

    Alaee, Datis

    … (IPNV) causes the most lethal disease in young salmonid fishes with mortality rates of equal or higher than ninety-five percent. The survival of the adult fish has been the main cause of this virus's proliferation around the world, making it the most economically devastating viral disease for …

    mo-state Repository record

  10. The host-pathogen interactions of Chinook Salmon (Oncorhynchus tshawytscha) and the aquatic rhabdoviral pathogen infectious hematopoietic necrosis virus

    Hernandez, Daniel G.2019

    … rhabdovirus that causes acute disease in Pacific salmon and trout populations in aquaculture facilities and freshwater conservation hatcheries across the northern hemisphere. While disease occurs primarily in juvenile fish, assessment of IHNV surveillance records across the US Pacific Northwest …

    washington Repository record

  11. A Nano-Scale Chemical and Structural Characterization of Chinook Salmon (Oncorhynchus tshawytscha) Otoliths Using a FIB and HRTEM

    Chevalier, Desiree E.University of Windsor2010

    … sections from the post-hatch and core regions of Chinook salmon (Oncorhynchus tshawytscha) otoliths. The nano-scale chemistry and structure of these regions was characterized in thin section using scanning electron microscopy (SEM) in conjunction with cathodoluminescence (CL) and high resolution …

    windsor Repository record

  12. Examining striped bass (Morone saxatilis) predation on hatchery raised Chinook salmon (Oncorhynchus tshawytscha) using dual frequency identification sonar

    Dorin, Bethany K.2018

    … 29 million 4 fall run Central Valley Chinook salmon (Oncorhynchus tshawytscha) per season for stock enhancement. From April through June, fish are acclimated in net-pens prior to release at one of three sites: the Carquinez Strait at Conoco Phillips (CP), the mouth of the Napa River at …

    u-pacific Repository record

  13. Movement and survival of chinook salmon fry stocked in a stream with natural barriers to anadromous fish migration

    Killinger, Gregory M.Virginia Tech1994

    … growth, and survival of hatchery incubated chinook salmon (<i>Oncorhynchus tshavvytscha</i>) fry stocked above a barrier falls on the Indian River, Chichagof Island, southeast Alaska. The Indian River contained significant potential salmonid rearing habitat, but was devoid of anadromous fish …

    vt Repository record

  14. In vitro effects of different innate-immune stimulants on Chinook salmon embryo cell line (CHSE-214): transcriptional and translational studies

    Estévez Estévez, Rosana A., 1977-2015

    … RIG-I and ISG25 mRNA was assessed by qPCR in Chinook salmon cell line (CHSE-214) before and after treatment with potential inducers: ß-hydroxy-ß-methylbutyrate, 4-phenylbutyrate, 1,25(OH)2 D3, omega-3 and omega-3 ethyl ester from fish oil and cod liver oil. Cathelicidin was found to be …

    u-iceland Repository record

  15. An Analysis of Juvenile Chinook Salmon Outmigration Speed and Survival in Response to Habitat Features: Sacramento River from Knights Landing to Sacramento, California

    McNair, Natalie N2016

    <p>Outmigration is an important life stage for Chinook salmon (<em>Oncorhynchus tshawytscha</em>) survival in the Sacramento River, and yet our understanding of their behavior and needs during this time is limited. To gain a better understanding of their survival and movement rates during …

    usfca Repository record

  16. Passage Route Survival and Behavior of Juvenile Salmon at Priest Rapids Dam, Columbia River, WA

    Hatch, Kyle B.2015

    … added anthropogenic pressure to Columbia River salmon populations. Juvenile salmon that pass through powerhouse turbines at large hydropower dams display higher mortality rates than salmon passing through alternative routes; thus at Priest Rapids Dam, a top-spill fish bypass was constructed as a …

    central-wash Repository record

  17. Lepeophtheirus salmonis, parasitizing three species of pacific salmon (Oncorhynchus spp.): host variations in load, morphology, fecundity, and genetics of the salmon louse

    Flanagan, Stephen

    … study is to determine biological parameters of salmon lice (Lepeophtheirus salmonis) as they parasitize different species of Pacific Ocean salmonids off the north Pacific coast of Washington State. Parasite load counts of L. salmonis were made and individuals were collected from salmonids in …

    eastern-wash Repository record

  18. HPLC analysis of Romet-30 in chinook salmon (Oncorhynchus tshawytscha): wash-out time, tissue distribution in muscle and liver tissues, and metabolism of sulfadimethoxine

    Zheng, MingUniversity of British Columbia1993

    … substantially to world-wide food production. Salmon culture constitutes an important part of aquaculture industry. The production of farmed salmon in British Columbia reached 20,000 metric tons (mt) in 1991 and 1992 and ispredicted to grow to 26,700 mt by 1995 (Smith, 1993). However, due to …

    ubc Repository record

  19. Strobe Light Effects On Stress and Avoidance Behavior in Fishes and Distribution of Zooplankton in Lake Oahe, South Dakota

    Richards, Nathan S.

    … Percidae (yellow perch Perca flavescens), and Salmonidae (chinook salmon Onchorhynchus tshawytscha). Plasma cortisol concentrations (μg dL-1) for channel catfish (8.9 ±2.2, n=6), yellow perch (8.1 ±3.9, n=6) and chinook salmon (17.3 ±2.7, n=6) increased significantly compared to controls (5.0 …

    sdstate Repository record

  20. Steroid Stimulated Protein Synthesis in Fish Cell Cultures

    Green, Carla B.

    … synthesis in Gonad primary cell cultures and Chinook Salmon Embryo cell cultures (CHSE-214) was stimulated by 17-beta-estradiol, 17-alpha-hydroxyprogesterone, and testosterone. Cells were treated for six hours with a 10-6 M concentration of steroid and radiolabelled with 35s-methionine for one …

    mo-state Repository record

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