Index Catalog // ScholarsArchive@OSU

The biology of Nanophyetus salmincola (Chapin) in its snail intermediate host, Oxytrema silicula

Creator:: Law, Daniel Tin-Hung
Resource Type:: Masters Thesis
Full Text:: , OXYTREMA SILICULAI Abstract approved: Dr. Stuart E. Knap The effects of light, pH and temperature on

Soil surface effects on soil water, soil temperature, and Douglas-fir seedling injury following radiation frost damage events

Creator:: Melton, Lisa L.
Abstract:: A microclimatology study was conducted on a high elevation clearcut near the summit of Mt. Ashland in southwest Oregon to evaluate the effects of frost on Douglas-fir seedling growth and survival. Frost and low temperatures cause seedling stress through frost damage, frost desiccation, increased root resistance, and decreased rates of...
Resource Type:: Masters Thesis
Full Text:: . The more I learn, the more questions I have. That is as it should be. Stuart taught me to be a

Transmission of "Salmon Poisoning" disease to dogs by Nanophyetus salmincola eggs

Creator:: Nyberg, Peter Albert
Abstract:: The presence of the etiologic agent of "salmon poisoning" disease, Neorickettsia helminthoeca, was demonstrated in eggs of the trematode vector, Nanophyetus salmincola. Three dogs were given 100,000 and one dog 82,000 ground fluke eggs by intraperitoneal injection. The four animals developed "salmon poisoning" disease and died. One of these dogs...
Resource Type:: Dissertation
Full Text:: N (A:; \C)-r \S( 1 ACKNOWLEDGMENT Dr. Stuart E. Knapp has freely and enthusiastically given of

Histochemical study of some enzymes of the common liver fluke, Fasciola hepatica L.

Creator:: Panitz, Eric
Abstract:: Acid and alkaline phosphatase was localized histochemically in the intestinal epithelium and excretory duct respectively in fresh frozen sections of Fasciola hepatica. Polyphenol oxidase was localized in the vitellaria, vitelline ducts and egg-shells. The distribution and nature of esterases was examined histochemically. Acetyl-cholinesterase was observed in the tegument, neural ganglia,...
Resource Type:: Dissertation
Full Text:: Privacy Stuart E. Knapp I Acid and alkaline phosphatase was localized histochemically in the intestinal

Definitive hosts of the trematode vector, Nanophyetus salmincola

Creator:: Schlegel, Michael Wesley
Abstract:: Of 149 wild animals from two western Oregon river drainage areas and other localities in which "salmon poisoning" disease (SPD) is enzootic, including ten mammalian and two avian species, 79 harbored Nanophyetus salmincola, the SPD vector. The shorttail weasel, Mustela erminea; river otter, Lutra canadensis; spotted skunk, Spilogale putorius; Norway...
Resource Type:: Masters Thesis
Full Text:: , NANOPHYETUS SALMINCOLA Abstract approved: Redacted for privacy Stuart E. Knapp Of 149 wild animals from two

Fascioloidiasis of cattle, deer and elk in Oregon and southern Washington

Creator:: Dutson, Val J.
Abstract:: The biology, history and synonyms of reviewed and the known distribution given. Fascioloides magna were reviewed and the known distribution given. Studies have shown that Cervidae are the natural hosts and domestic ruminants the accidental hosts. The parasite is reportedly pathogenic to goats and sheep but causes severe tissue reactions...
Resource Type:: Masters Thesis
Full Text:: Smithsonian Institute, U. S. National Museum at '\,[ashington, D. C. and C. A. Wright, Departrnent of Zoo|ogy

The relationship of lysosomal stability to radiation-induced delay of cell division in Tetrahymena pyriformis

Creator:: Hodge, Frederick Allen
Abstract:: Cell division in a heat synchronized Tetrahymena pyriformis (GL-I) cell can be delayed if the cell is exposed to X-irradiation (300 kVp, 20 mA, HVL = 0. 9 mm Cu, 25 R/ sec) prior to a critical time after the end of the synchronizing treatment (EST). At the critical time,...
Resource Type:: Dissertation
Full Text:: CELL DIVISION IN TETRAHYMENA PYRIFORMIS Abstract approved: Redacted for privacy D. Stuart Naftlt

Pathogenicity of experimentally induced concurrent infections of Fasciola hepatica and Haemonchus contortus in sheep

Creator:: Presidente, Paul J.
Abstract:: Twenty yearling sheep were allotted to four groups, each containing five sheep of approximately equal weight. On experimental days 0, 1, 2, 3, and 4, each sheep in each group was given the following inoculations by stomach tube: five sheep in group I (Fasciola hepatica-exposed controls) were given approximately 120...
Resource Type:: Dissertation
Full Text:: HEPATICA AND HAEMONCHUS CONTORTUS IN SHEEP Abstract approved: Redacted for privacy Stuart E. ,Knapp

A water balance model for reforestation sites : description and sensitivity

Creator:: Costello, Craig
Abstract:: A model was developed for analysis of the soil water balance of individual reforestation sites in western Oregon. The numerical procedure for this model was programmed in compiled BASIC language and calculations for an entire season are made in about 180 seconds on an IBM AT microcomputer. The processes that...
Resource Type:: Masters Thesis
Full Text:: Sites: Description and Sensitivity. Abstract approved: Redacted for Privacy Dr. Stuart W. Childs A

Soil physical properties and available water capacity of southwest Oregon forest soils

Creator:: Flint, Alan L.
Abstract:: Measurements for water retention calculations and physical characterization were made on skeletal and non-skeletal soils in southwest Oregon. A new bulk density sampler was designed for the physical characterization of the steep, skeletal soils commonly encountered in this area. The new sampler and the techniques required for the measurement and...
Resource Type:: Masters Thesis
Full Text:: Capacity of Southwest Oregon Forest Soils Abstract approved: Redacted for Privacy Dr. Stuart W. Childs

ScholarsArchive@OSU

The biology of Nanophyetus salmincola (Chapin) in its snail intermediate host, Oxytrema silicula

Soil surface effects on soil water, soil temperature, and Douglas-fir seedling injury following radiation frost damage events

Transmission of "Salmon Poisoning" disease to dogs by Nanophyetus salmincola eggs

Histochemical study of some enzymes of the common liver fluke, Fasciola hepatica L.

Definitive hosts of the trematode vector, Nanophyetus salmincola

Fascioloidiasis of cattle, deer and elk in Oregon and southern Washington

The relationship of lysosomal stability to radiation-induced delay of cell division in Tetrahymena pyriformis

Pathogenicity of experimentally induced concurrent infections of Fasciola hepatica and Haemonchus contortus in sheep

A water balance model for reforestation sites : description and sensitivity

Soil physical properties and available water capacity of southwest Oregon forest soils

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