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Geographic information system (GIS) ...

Lamar, Kimberly Denise.

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Geographic information system (GIS) and epidemiological associations among foodborne pathogens at the farm.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Geographic information system (GIS) and epidemiological associations among foodborne pathogens at the farm./
作者:	Lamar, Kimberly Denise.
面頁冊數:	107 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4125.
Contained By:	Dissertation Abstracts International64-09B.
標題:	Agriculture, Food Science and Technology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3104393
ISBN:	0496519605

Geographic information system (GIS) and epidemiological associations among foodborne pathogens at the farm.
Lamar, Kimberly Denise.

Geographic information system (GIS) and epidemiological associations among foodborne pathogens at the farm. - 107 p.

Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4125.

Thesis (Ph.D.)--The University of Tennessee, 2003.

Geographic Information System (GIS), a computer mapping and analysis technology, has emerged as an innovative epidemiological tool in a variety of disciplines. However, the application of GIS to food safety research has received little attention. This study utilized GIS and automated riboprinting technology to examine relationships that existed between animals and their environments, monitoring transmission of pathogens on the farm environment and to nearby surface water environments.

ISBN: 0496519605Subjects--Topical Terms:

1017813
Agriculture, Food Science and Technology.

Geographic information system (GIS) and epidemiological associations among foodborne pathogens at the farm.
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245 1 0 $a Geographic information system (GIS) and epidemiological associations among foodborne pathogens at the farm.
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500 $a Source: Dissertation Abstracts International, Volume: 64-09, Section: B, page: 4125.
500 $a Major Professor: Frances Ann Draughon.
502 $a Thesis (Ph.D.)--The University of Tennessee, 2003.
520 $a Geographic Information System (GIS), a computer mapping and analysis technology, has emerged as an innovative epidemiological tool in a variety of disciplines. However, the application of GIS to food safety research has received little attention. This study utilized GIS and automated riboprinting technology to examine relationships that existed between animals and their environments, monitoring transmission of pathogens on the farm environment and to nearby surface water environments.
520 $a A comprehensive epidemiological survey was conducted at The University of Tennessee, Knoxville Experiment Station research dairy farm. More than 40,000 animal and environmental samples were analyzed for Salmonella, Campylobacter jejuni and Escherichia coli O157:H7. A survey of the Tennessee River, adjacent The University of Tennessee research dairy farm, was also conducted to determine the incidence of these pathogens in the river. Automated riboprinting was used to compare bacterial isolates from various species, locations, and sample types.
520 $a Salmonella (32%) was the most frequent pathogen isolated on the farm, followed by C. jejuni (21%) and E. coli O157:H7 (2%). Feed, bedding, water, insects and bird droppings were identified as significant vectors of transmission of pathogens to animals and farm environments. Results of this study indicate that controlling access to animal feed and water sources by insects and wild birds could reduce transmission of pathogens to dairy animals and farm environments.
520 $a Neither C. jejuni nor E. coli O157:H7 were recovered from the Tennessee River. However, Salmonella was isolated from sampling sites upstream and downstream from the dairy farm. Salmonella was recovered at increased frequency in the Tennessee River at the dairy farm and sites upstream from the farm. Salmonella ser. Senftenberg, Typhimurium, Havana and Newport were the most frequently isolated Serotypes at the dairy farm and from the river. Salmonella ser. Havana, isolated from farm and river water samples, was the only detected serotype showing similar riboprint patterns. Based on pathogens isolated at the farm and not in the river, the variable pattern of Salmonella isolation in the river, and detection of few similar Salmonella serotypes, it was concluded that the dairy farm did not contribute significantly to contamination of the river.
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790 1 0 $a Draughon, Frances Ann, $e advisor
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