Influence of Prior Hauling on Pathogenesis of Pasteurella multocida in Turkeys

Simensen, E.; Olson, L. D.

doi:10.3382/ps.0602221

Cited by 2 publications

(1 citation statement)

References 8 publications

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“…Primary infection with respiratory viruses or with Mycoplasma species also predisposes animals to secondary infection with P. multocida and/or M. haemolytica (176,(182)(183)(184)(185)(186). Environmental conditions, stress, and the overall health of the animal also appear to play important roles in disease severity and likelihood of transmission (147,187,188).…”

Section: Pasteurella Disease In Animals Pasteurellosis Prevalencementioning

confidence: 99%

Pasteurella multocida: from Zoonosis to Cellular Microbiology

2013

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SUMMARY In a world where most emerging and reemerging infectious diseases are zoonotic in nature and our contacts with both domestic and wild animals abound, there is growing awareness of the potential for human acquisition of animal diseases. Like other Pasteurellaceae , Pasteurella species are highly prevalent among animal populations, where they are often found as part of the normal microbiota of the oral, nasopharyngeal, and upper respiratory tracts. Many Pasteurella species are opportunistic pathogens that can cause endemic disease and are associated increasingly with epizootic outbreaks. Zoonotic transmission to humans usually occurs through animal bites or contact with nasal secretions, with P. multocida being the most prevalent isolate observed in human infections. Here we review recent comparative genomics and molecular pathogenesis studies that have advanced our understanding of the multiple virulence mechanisms employed by Pasteurella species to establish acute and chronic infections. We also summarize efforts being explored to enhance our ability to rapidly and accurately identify and distinguish among clinical isolates and to control pasteurellosis by improved development of new vaccines and treatment regimens.

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Section: Pasteurella Disease In Animals Pasteurellosis Prevalencementioning

confidence: 99%

Pasteurella multocida: from Zoonosis to Cellular Microbiology

2013

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Effects of Acute Thermal Stress on the Immune System of the Northern Bobwhite (Colinus virginianus)

Dabbert¹,

Lochmiller²,

Teeter³

1997

The Auk

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We tested the hypothesis that exposure of Northern Bobwhites (Colinus virginianus) to acute temperature stressors impairs their immune-system function and resistance to disease. Birds were randomly assigned to either a thermoneutral (constant 21øC), coldstress (cycled from 3.6 to-20øC over 24 h), or heat-stress (cycled from 30.8 to 39.0øC over 24 h) treatment for four consecutive days. Immunocompetence of each bird was evaluated on day 5 using a panel of assays, including a measure of resistance to a Pasteurella multocida Type 3 challenge. Neither thermal stressor had an influence on spleen mass or measures of cellmediated and humoral immunity. Disease resistance of Northern Bobwhites to P. multocida was not influenced by heat stress but increased following cold stress. Cold stress may have increased the activity of phagocytic leukocytes, which are important in resistance of birds to bacterial pathogens. A concomitant decrease in lymphocyte numbers suggested that resistance to vital pathogens was compromised during cold stress.

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Influence of Prior Hauling on Pathogenesis of Pasteurella multocida in Turkeys

Cited by 2 publications

References 8 publications

Pasteurella multocida: from Zoonosis to Cellular Microbiology

Pasteurella multocida: from Zoonosis to Cellular Microbiology

Effects of Acute Thermal Stress on the Immune System of the Northern Bobwhite (Colinus virginianus)

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