| Henhouse Feeding Style and Salmonella Enteritidis Contamination in Unvaccinated Flocks of Egg-Farms, April 1994-March 2001. | |
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MedLine Citation:
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PMID: 22185772 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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From April 1994 to March 2001, monitoring tests (surveillance) for the contamination of Salmonella Enteritidis (SE) in commercial egg-farms and farm trace back inspections of SE food-borne illness were carried out in the Himeji Livestock Hygiene Service Center jurisdiction of Hyogo prefecture, Japan. SE vaccination was not performed before the outbreak of SE-associated food-borne illness and SE contamination of a farm was recognized. In surveillance, year average percentages of identified SE-positive farms were 6.1% in farms with floor feeding with an open-type henhouse (F-OH) and 12.7% in farms with cage feeding with a windowless-type henhouse (C-WH), but 0% in farms with only cage feeding with an open-type henhouse (C-OH). The highest identified proportion of SE-positive farms among all styles of farms in the jurisdiction was found (4.3%) in April 1997-March 1999. The farm trace back inspections were performed in 2 of 7 farms with F-OH and in 5 of 9 farms with C-WH in this period. Easier contamination with SE was found for C-WH or F-OH than for C-OH. Ninety percent of the birds (3,632,000 birds in 70 farms) are fed in these easier contamination farms with C-WH (89% of birds in 13% of farms) or with F-OH (1% of birds in 10% of farms). Integrated sanitary requirements and SE vaccinations are necessary on farms with F-OH or C-WH, especially. Since 1999, these countermeasures have been performed and SE food-borne illnesses and affected patients in Hyogo prefecture have gradually decreased. |
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Authors:
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Osamu Watanabe; Masao Ogino; Asako Iwamoto; Takayuki Akiyama; Takahiro Miki |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-19 |
Journal Detail:
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Title: The Journal of veterinary medical science / the Japanese Society of Veterinary Science Volume: - ISSN: 1347-7439 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9105360 Medline TA: J Vet Med Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Hygiene Service, Himeji Livestock Hygiene Service Center. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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