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Determination of close genetic relatedness of the major Salmonella enteritidis phage types by pulsed-field gel electrophoresis and DNA sequence analysis of several Salmonella virulence genes

Autor: C R, Hudson, M, Garcia, R K, Gast, J J, Maurer

Publikováno v: Avian diseases. 45(4)

Salmonella enteritidis (SE) is an important cause of egg-associated outbreaks in both Europe and the United States. Phage typing has become an important epidemiologic tool in identifying the source of outbreaks. Limitations of phage typing have becom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::e6585e50bca7a5cddf4ee501885d569d
https://pubmed.ncbi.nlm.nih.gov/11785892

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The relationship between the magnitude of the specific antibody response to experimental salmonella enteritidis infection in laying hens and their production of contaminated eggs

Autor: R K, Gast, P S, Holt

Publikováno v: Avian diseases. 45(2)

Detecting infected laying flocks is a vital part of many efforts to control egg-associated transmission of Salmonella enteritidis to humans. The relationship between the development of a specific antibody response in infected hens and the deposition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::4e71c42a7968a536e4e3e1a34fc599b7
https://pubmed.ncbi.nlm.nih.gov/11417822

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Deposition of phage type 4 and 13a Salmonella enteritidis strains in the yolk and albumen of eggs laid by experimentally infected hens

Autor: R K, Gast, P S, Holt

Publikováno v: Avian diseases. 44(3)

Because egg yolk and albumen differ substantially in their abilities to support bacterial growth, the initial level and location of Salmonella enteritidis deposition are critical for determining whether proposed standards for refrigerating eggs are l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::3b37fc4eb9df7b6ee1b1d50ce06e800d
https://pubmed.ncbi.nlm.nih.gov/11007024

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Application of flagella-based immunoassays for serologic detection of Salmonella pullorum infection in chickens

Autor: R K, Gast, P S, Holt

Publikováno v: Avian diseases. 42(4)

Occasional Salmonella pullorum outbreaks still occur in commercial poultry flocks despite widespread serologic testing, raising concerns about the efficacy of standard agglutination-based serologic assays for detecting infections with current field s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::9aeb3e34fe3e7baf80534e070b042af1
https://pubmed.ncbi.nlm.nih.gov/9876853

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Airborne transmission of Salmonella enteritidis infection between groups of chicks in controlled-environment isolation cabinets

Autor: R K, Gast, B W, Mitchell, P S, Holt

Publikováno v: Avian diseases. 42(2)

Although direct contact with infected birds and indirect contact with contaminated environmental surfaces are known to be important factors in the dissemination of Salmonella enteritidis in poultry flocks, the potential role of airborne transmission

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0b5730450e2136e29f9571e590523e38
https://pubmed.ncbi.nlm.nih.gov/9645323

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Airborne horizontal transmission of Salmonella enteritidis in molted laying chickens

Autor: P S, Holt, B W, Mitchell, R K, Gast

Publikováno v: Avian diseases. 42(1)

Salmonella enteritidis is currently thought to be transmitted principally through contact with infected individuals and ingestion of fecally contaminated materials. The present study was undertaken to determine if S. enteritidis could be spread in ch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::468c1227adafea9d03974f4d5dda7c1c
https://pubmed.ncbi.nlm.nih.gov/9533080

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Applying tests for specific yolk antibodies to predict contamination by Salmonella enteritidis in eggs from experimentally infected laying hens

Autor: R K, Gast, R E, Porter, P S, Hold

Publikováno v: Avian diseases. 41(1)

Detecting Salmonella enteritidis contamination in eggs has become the cornerstone of many programs for reducing egg-borne disease transmission, but egg culturing is time consuming and laborious. Preliminary screening tests are thus generally applied

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::d7e1f2c4ecf5c19dfa9f2fb236ee7c62
https://pubmed.ncbi.nlm.nih.gov/9087337

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Intestinal colonization and organ invasion in chicks experimentally infected with Salmonella enteritidis phage type 4 and other phage types isolated from poultry in the United States

Autor: R K, Gast, S T, Benson

Publikováno v: Avian diseases. 40(4)

Phage type 4 Salmonella enteritidis strains have only recently been isolated from poultry and humans in the United States, although this phage type predominates in many other countries. The present study assessed the ability of S. enteritidis isolate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::cf94186b2b3e7cf11ea315e2b04c0edf
https://pubmed.ncbi.nlm.nih.gov/8980817

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The comparative virulence for chicks of Salmonella enteritidis phage type 4 isolates and isolates of phage types commonly found in poultry in the United States

Autor: R K, Gast, S T, Benson

Publikováno v: Avian diseases. 39(3)

Phage type 4 Salmonella enteritidis has been associated with morbidity and mortality in broiler chickens in the United Kingdom. The recent isolation of this phage type from poultry in the United States has raised concerns about whether the current re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::66f801b07ac79afa3c95df8920fdadfb
https://pubmed.ncbi.nlm.nih.gov/8561742

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