Document Detail


Henhouse Feeding Style and Salmonella Enteritidis Contamination in Unvaccinated Flocks of Egg-Farms, April 1994-March 2001.
MedLine Citation:
PMID:  22185772     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
Osamu Watanabe; Masao Ogino; Asako Iwamoto; Takayuki Akiyama; Takahiro Miki
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-19
Journal Detail:
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:
Created Date:  2011-12-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9105360     Medline TA:  J Vet Med Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Hygiene Service, Himeji Livestock Hygiene Service Center.
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