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Filtering by: Creator Christensen, M. Jo Advisor Schreck, Carl B. Committee Member Leong, Jo-Ann

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:

all members of my committee, including Drs. Jo-Aim Leong and Dan Edge. I thank everyone in the
Sex determination in Nile tilapia, Oreochromis niloticus: gene expression, masculinization methods, and environmental effects

Creator:

Sánchez, Wilfrido M. Contreras

Abstract:

Sex differentiation in fish is a labile process that allows sex inversion in several species. The inherent capacity of fish germ cells to differentiate into oocytes or spermatocytes constitutes a key factor allowing for functional sex inversion. This thesis set out to determine the mechanism involved in steroid-induced sex differentiation...

Resource Type:

Dissertation

Full Text:

Wilfrido M. Contreras Sanchez for the degree of Doctor of Philosophy in Fisheries Science presented on