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Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

Creator:: Milston, Ruth Helen
Abstract:: Environmental factors such as chemical contamination can have immunomodulatory effects on the immune response of fish and may be contributing to the decline in salmonid populations by augmenting disease susceptibility. Xenobiotics can interfere with the immune system at several levels of complexity, and different immune cells and processes have variable...
Resource Type:: Masters Thesis
Full Text:: of Master of Science in Fisheries Science presented on August 23, 2001. Title: Effects of o,p'-DDE

Genetic differentiation of resident and anadromous rainbow trout (Salmo gairdneri) in the Deschutes River basin, Oregon

Creator:: Currens, Kenneth P.
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kenneth P. Currens for the degree

Effects of steelhead trout (Oncorhynchus mykiss) on chinook salmon (O. tshawytscha) behavior and physiology

Creator:: Kelsey, Denise A.
Abstract:: Three experiments were designed to determine if and how steelhead trout, Oncorhynchus mykiss, may affect chinook salmon, O. tshawytscha, when they are confined together as in a raceway or on a barge. We observed groups of chinook and steelhead together and groups of only chinook in a behavioral experiment to...
Resource Type:: Masters Thesis
Full Text:: Master of Science in Fisheries Science presented on April 29, 1997. Title: Effects of Steelhead Trout

Chemoreception in coho salmon (Oncorhynchus kisutch) : aspects of behavior, physiology, and toxicology

Creator:: Rehnberg, Bradley Glenn
Abstract:: Detection of L-serine and D,L-alanine by juvenile coho salmon (Oncorhynchus kisutch) was measured in a two-choice Y-trough. Threshold concentration for olfactory detection of L-serine was 10-8 M for zero-age parr, 1O-7 M for yearling parr, 10-5 M for smolts in late April-early May, and 10-6 M for smolts in June....
Resource Type:: Dissertation
Full Text:: degree of Doctor of Philosophy in the Department of Fisheries and Wildlife presented on August 29, 1985

Endocrine regulation of final oocyte maturation and sex differentiation in salmonids

Creator:: Fitzpatrick, Martin S.
Abstract:: Sexual maturation and sex differentiation comprise facets of a common theme: reproduction. The endocrine system regulates many of the critical physiological processes necessary for reproduction and offers a framework within which technologies can be developed for controlling sexual maturation and sex differentiation. The studies described in this thesis were undertaken...
Resource Type:: Dissertation
Full Text:: the degree of Doctor of Philosophy in Fisheries Science presented on May 29, 1990 Title: The

Early self-sorting behavior in Chinook salmon is correlated with variation in growth, behavior and morphology later in life.

Creator:: Unrein, Julia R.
Abstract:: Juvenile Chinook salmon (Oncorhynchus tshawytscha) exhibit an array of life history tactics in Oregon's Willamette River Basin, yet we do not know to what extent it is driven by phenotypic plasticity or whether it is predetermined and how conditions in the early rearing environment may affect phenotype expression. We have...
Resource Type:: Masters Thesis
Full Text:: pursuing graduate studies, and to many researchers in the Hatfield community A. Stoner, C. Ryer, P. Iseri

The energetic response to handling stress in juvenile coho salmon (Oncorhynchus kisutch)

Creator:: Davis, Lawrence E. (Lawrence Edward), 1965-
Abstract:: Various aspects of the energetic response to handling stress in juvenile coho salmon (Oncorhynchus kisutch) were examined. Fish were subjected to four different handling stressors in a Blazka-style respirometer. Stressed fish had rates of oxygen consumption that were higher than controls. The magnitude of the increase ranged from 139 to...
Resource Type:: Masters Thesis
Full Text:: coho salmon (Oncorhynchus kisutch) AN ABSTRACT OF THE THESIS OF Lawrence E. Davis for the degree of

The effect of chronic exposure of chinook salmon to benzo(a)pyrene and cortisol of CYP1A1 induction and susceptibility to a microsporidian parasite, Loma salmonae

Creator:: Marie, Amarisa
Abstract:: 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 salmon, Oncorhynchus tshawytscha, in urban waterways. We investigated the impact of chronic dietary exposure...
Resource Type:: Masters Thesis
Full Text:: on days 8 and 21 then dropped below control values on day 29, and groups fed high levels of BaP had

Effects of feeding level, temperature, and photoperiod on growth and selected scale characteristics of juvenile steelhead trout

Creator:: Boyce, Raymond R.
Resource Type:: Masters Thesis
Full Text:: 4.59 3.0k 1.5 E C) 4- C 4) a p.- a 2Cx E E15 jiG C.) C,, 7 4, E C.) 4 0 a1OO E E

Chemodetection of threatening chemical stimuli by juvenile coho salmon (Oncorhynchus kisutch)

Creator:: Stone, Steven L.
Resource Type:: Masters Thesis
Full Text:: above bars denote groups with cortisol titers significantly different (P<0.05) than (a) hatchery

ScholarsArchive@OSU

Effects of o,p'-DDE on the immune system of juvenile chinook salmon (Oncorhynchus tshawytscha)

Genetic differentiation of resident and anadromous rainbow trout (Salmo gairdneri) in the Deschutes River basin, Oregon

Effects of steelhead trout (Oncorhynchus mykiss) on chinook salmon (O. tshawytscha) behavior and physiology

Chemoreception in coho salmon (Oncorhynchus kisutch) : aspects of behavior, physiology, and toxicology

Endocrine regulation of final oocyte maturation and sex differentiation in salmonids

Early self-sorting behavior in Chinook salmon is correlated with variation in growth, behavior and morphology later in life.

The energetic response to handling stress in juvenile coho salmon (Oncorhynchus kisutch)

The effect of chronic exposure of chinook salmon to benzo(a)pyrene and cortisol of CYP1A1 induction and susceptibility to a microsporidian parasite, Loma salmonae

Effects of feeding level, temperature, and photoperiod on growth and selected scale characteristics of juvenile steelhead trout

Chemodetection of threatening chemical stimuli by juvenile coho salmon (Oncorhynchus kisutch)

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