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The effects of different otolith ageing techniques on estimates of growth and mortality for two species of rockfishes, Sebastes pinniger and Sebastes diploproa

Creator:: Wilson, Christopher D.
Abstract:: The use of some age determination methods may result in the incorrect age structure of fish populations. This in turn may lead to incorporation of inappropriate data into models used for stock management. Otoliths are commonly used for determining the age of fishes, and ages based on the whole otoliths...
Resource Type:: Masters Thesis
Full Text:: estimates of growth and mortality for two species of rockfishes, Sebastes pinniger and Sebastes diploproa

Mortality studies of Columbian black-tailed deer in the coastal region of Oregon

Creator:: Kuhn, Lee W.
Resource Type:: Masters Thesis

The influence of metabolites on the growth and development of salmonid embryos and sac fry

Creator:: Putnam, George Biersdorf
Resource Type:: Masters Thesis
Full Text:: mortality of embryos of rainbow and cutthroat trout and increased 4 numbers of deformed bryos and sac

The size and location of escape ports for bypassing salmonid fish at a screened diversion canal

Creator:: Wagner, Harry Henry, 1933-
Resource Type:: Masters Thesis
Full Text:: fish for experimental purposes were not captured., nd there was considerable mortality among those

Analysis of age determination methods for yellowtail rockfish, canary rockfish, and black rockfish off Oregon

Creator:: Six, Lawrence D.
Abstract:: Methods and utility of age determination of yellowtail rockfish (Sebastes flavidus), canary rockfish (Sebastes pinniger), and black rockfish (Sebastes melanops) collected off Oregon during 1972 to 1975 are discussed. Structures compared on the basis of the reproducibility of counts of annuli (consistency of readings) were the anal fin pterygiophore, opercle,...
Resource Type:: Masters Thesis
Full Text:: length and weight, are needed for estimates of mortality, growth, and ultimately yield. The

Resistance of coho salmon (Oncorhynchus kisutch) and steelhead trout (Salmo gairdneri) stocks and transferrin genotypes to bacterial kidney disease and vibriosis

Creator:: Winter, Gary Wayne
Abstract:: Juvenile coho salmon (Oncorhynchus kisutch) and steelhead trout (Salmo gairdneri) of different stocks and three transferrin genotypes (AA, AC, and CC), all reared in identical or similar environments, were experimentally infected with the causative agent of bacterial kidney disease (BKD) or Vibrio anguillarum. Mortality due to the pathogens was compared...
Resource Type:: Masters Thesis
Full Text:: causative agent of bacterial kidney disease (BKD) or Vibrio anguillarum. Mortality due to the pathogens

In vitro and in vivo evaluation of antimicrobials against bacterial fish pathogens

Creator:: Schneider, Steven Richard
Resource Type:: Masters Thesis
Full Text:: ( -TMP) demonstrated a significant reduction in mortality at intraperitoneal (ip) doses of 5 mg/kg SMX

Myxosporidans of rainbow and cutthroat trout broodstocks from Oregon hatcheries

Creator:: Sweet, Diane Ruth
Abstract:: Oregon Department of Fish and Wildlife trout broodstocks from Alsea, Cole Rivers, Klamath, Leaburg, Oak Springs, Roaring River and Willamette Fish Hatcheries were examined for the presence of myxosporidans. Wild fish collected from waters above these hatcheries were also examined. Seven species of myxosporidans were observed in the hatchery broodfish:...
Resource Type:: Masters Thesis

Yearly variation in the abundance and distribution of fish larvae in the coastal zone off Yaquina Head, Oregon, from June 1969 to August 1972

Creator:: Mundy, Bruce Carl
Resource Type:: Masters Thesis
Full Text:: fishery. Mortality of pelagic larvae, prior to transformation, was not the only determinant of year

Dimethyl disulfide produced in sterile fish muscle by Pseudomonas putrefaciens

Creator:: Rhee, Kie Ho
Abstract:: Sterile fish muscle homogenate was prepared from the individually line caught black rockfish (Sebastes melanops) and inoculated with the pure culture of Pseudomonas putrefaciens strain 17. The inoculated homogenate was incubated at 5°C and the growth and production of volatile sulfur compounds determined by a combined gas-liquid chromatography and mass...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

The effects of different otolith ageing techniques on estimates of growth and mortality for two species of rockfishes, Sebastes pinniger and Sebastes diploproa

Mortality studies of Columbian black-tailed deer in the coastal region of Oregon

The influence of metabolites on the growth and development of salmonid embryos and sac fry

The size and location of escape ports for bypassing salmonid fish at a screened diversion canal

Analysis of age determination methods for yellowtail rockfish, canary rockfish, and black rockfish off Oregon

Resistance of coho salmon (Oncorhynchus kisutch) and steelhead trout (Salmo gairdneri) stocks and transferrin genotypes to bacterial kidney disease and vibriosis

In vitro and in vivo evaluation of antimicrobials against bacterial fish pathogens

Myxosporidans of rainbow and cutthroat trout broodstocks from Oregon hatcheries

Yearly variation in the abundance and distribution of fish larvae in the coastal zone off Yaquina Head, Oregon, from June 1969 to August 1972

Dimethyl disulfide produced in sterile fish muscle by Pseudomonas putrefaciens

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