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Systemic bacterial infections in broiler chickens

Creator:: Awan, Mohammad Arif
Abstract:: In broiler operations, various health problems develop during the final two weeks of the growing period, resulting in increased mortality and condemnation losses. At this stage, sickly birds were found to be systemically infected by various bacteria regardless of varied clinical signs. The main objective of the present study was...
Resource Type:: Masters Thesis
Full Text:: bacterial multiplication and subsequent transmission to other patients via the hands of health worker

Immune response and protection against Streptococcus pyogenes after vaccination with Lactococcus lactis that expresses conserved region of M6 protein

Creator:: Mannam, Praveen
Abstract:: Most pathogens gain access to their host through mucosal surfaces. It is therefore desirable to develop mucosal vaccines that elicit an immune response to prevent this crucial first step in infection. Current mucosal vaccines are live attenuated strains of pathogens. More recent efforts have focused on the use of recombinant...
Resource Type:: Masters Thesis
Full Text:: INTRODUCTION Many bacterial infections begin with colonization of mucosal surfaces. The mucosal site

Bacillus subtilis endospore coat protein solubilization methods for studying effects of high pressure precessing

Creator:: Gandhi, Kalpesh K.
Abstract:: Spores of foodborne pathogens such as Clostridium botulinum, Clostridium perfringens and Bacillus cereus are widely distributed in nature. Presence of those spores in food products, particularly C. botulinum spores in vacuum packed, ready-to-eat low-acid products, is a great safety concern. The research here described is a first effort towards understanding...
Resource Type:: Masters Thesis
Full Text:: role of the spore coat proteins in the inactivation of bacterial spore using high pressure

Pathways of infection of Phytophthora ramorum in rhododendron

Creator:: Lewis, Carrie D.
Abstract:: Phytophthora ramorum, a plant pathogen, is the cause of sudden oak death and ramorum blight and shoot die-back. It has a wide host range including many native forest species and common nursery plants. The lack of knowledge regarding infection biology of P. ramorum limits our understanding of its ecology and...
Resource Type:: Masters Thesis

Ascospore viability and dispersal from pruned branches infected with Anisogramma anomala

Creator:: Heckert, Stephanie
Abstract:: Viability and dispersal of ascospores of Anisogramma anomala, the cause of eastern filbert blight (EFB) on European hazelnut, from diseased branches pruned from trees were measured. In each of two years, branches bearing stromata of A. anomala were cut in mid-December and compared to branches cut near budbreak in March,...
Resource Type:: Masters Thesis
Full Text:: 2010 season. Similar to ascospores counts, disease incidence was significantly higher (P < 0.01) in

Phytosanitation of Douglas-fir (Pseudotsuga menziesii) logs to mitigate the risk of artificially disseminating Phytophthora ramorum within the global trade of timber

Creator:: Hulbert, Joseph M.
Abstract:: Phytophthora ramorum is a plant pathogen that was accidentally introduced to the United States. This invasive microorganism has killed over a million trees in California and Oregon, and continues to spread to new areas. Diseased areas have been nationally quarantined to prevent further spread and more than ninety countries include...
Resource Type:: Masters Thesis
Full Text:: introduced microorganisms include beech bark disease, larch canker, Dutch elm disease, dogwood anthracnose

Road networks, timber harvest, and the spread of Phytophthora root rot infestations of Port-Orford-cedar in southwest Oregon

Creator:: Clark, William C.
Abstract:: Phytophthora lateralis is the causal agent of cedar root rot, a fatal forest pathogen whose principal host is Chamaecyparis lawsoniana (Port-Orford-cedar), a predominantly riparian-restricted endemic tree species of ecological, economical, and cultural importance to coastal Oregon and California. Local scale distribution of P. lateralis is thought to be associated with...
Resource Type:: Masters Thesis

Epichloë typhina (fungus) - Botanophila lobata (fly) interaction : an invasive "pollinator" system in its introduced range in western Oregon

Creator:: Kaser, Joseph M.
Abstract:: Epichloë typhina (Ascomycetes: Clavicipitaceae) is an endophytic fungus that infects perennial Pooid grasses and is the causal agent of choke disease. It is endemic to Europe and was inadvertently introduced into orchardgrass seed production fields in western Oregon. Choke disease, which was first recorded in Oregon in 1996, currently infects...
Resource Type:: Masters Thesis
Full Text:: for disease transmission. Epichloë typhina is bipolar heterothallic; it is an obligate outcrosser

Assessing disease impacts of hatcheries on downstream salmonids in the Willamette River Basin, Oregon

Creator:: Jakaitis, Michelle
Abstract:: Hatcheries are often perceived as a source of pathogen amplification, potentially increasing disease risk to free-ranging populations; at the same time, free-ranging fishes may introduce pathogens into hatcheries through untreated water sources. Many pathogens exist naturally within the environment (with the exception of introduced pathogens) and the presence of a...
Resource Type:: Masters Thesis
Full Text:: . Sherman. 1981. Transmission of bacterial kidney disease from wild to stocked hatchery trout. Canadian

ScholarsArchive@OSU

Systemic bacterial infections in broiler chickens

Immune response and protection against Streptococcus pyogenes after vaccination with Lactococcus lactis that expresses conserved region of M6 protein

Bacillus subtilis endospore coat protein solubilization methods for studying effects of high pressure precessing

Pathways of infection of Phytophthora ramorum in rhododendron

Ascospore viability and dispersal from pruned branches infected with Anisogramma anomala

Phytosanitation of Douglas-fir (Pseudotsuga menziesii) logs to mitigate the risk of artificially disseminating Phytophthora ramorum within the global trade of timber

Road networks, timber harvest, and the spread of Phytophthora root rot infestations of Port-Orford-cedar in southwest Oregon

Epichloë typhina (fungus) - Botanophila lobata (fly) interaction : an invasive "pollinator" system in its introduced range in western Oregon

Assessing disease impacts of hatcheries on downstream salmonids in the Willamette River Basin, Oregon

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