Vaccination with Vibrio anguillarum by oral administration
during copper exposure and intraperitoneal injection prior to copper
exposure was employed to investigate the effects of copper upon survival
and the immune response of juvenile coho salmon (Oncorhynchus
kisutch). Following copper exposure the survivors were challenged
under natural conditions to V. anguillarum,...
The distribution in Oregon of two viruses affecting salmonid
fishes was determined by examination of hatchery and feral fish.
Infectious pancreatic necrosis virus (IPNV) was isolated from fish
at the Oregon Department of Fish and Wildlife Research Laboratory,
Corvallis, Roaring River, Fort Klamath, and Wizard Falls Hatcheries.
Fish collected at...
In the summers of 1973, 1974 and 1975, I investigated population
age structure and density, and behaviors relating to habitat
selection, predator avoidance and intraspecific interaction in a population
of northwestern salamanders in a lake in the Oregon Cascade
Mountains. The study was carried out by skin- and scuba-diving at...