Spatial and temporal clustering of Salmonella serotypes isolated from adult diarrheic dairy cattle in California

K. Sato, Tim Carpenter, James Case, R. L. Walker

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Electronic records from the California Animal Health and Food Safety Laboratory System between January 1, 1991, and June 30, 1998, were reviewed, and data on 593 Salmonella serotypes isolated from feces or intestinal contents of adult dairy cattle with diarrhea were analyzed to determine spatial and temporal clustering. A statistically significant clustering in space was detected with 10 (Typhimurium, Montevideo, Muenster, Anatum, Give, Menhaden, Kentucky, Agona, Derby, and Newport) of the 13 serotypes examined. Significant temporal clustering was also detected with 10 serotypes (Typhimurium, Montevideo, Muenster, Anatum, Give, Newbrunswick, Menhaden, Kentucky, Derby, and Newport). Six serotypes (Anatum, Menhaden, Montevideo, Muenster, Newbrunswick, and Newport) were significantly spatially and temporally clustered. A difference in temporal and spatial distribution patterns of some serotypes associated with diarrhea in adult dairy in California was found. Knowledge of the specific type of clustering, if present, should improve our understanding of the transmission and control of salmonellosis in the field.

Original languageEnglish (US)
Pages (from-to)206-212
Number of pages7
JournalJournal of Veterinary Diagnostic Investigation
Volume13
Issue number3
DOIs
StatePublished - Jan 1 2001

Fingerprint

Salmonella
dairy cattle
Cluster Analysis
serotypes
menhaden
Diarrhea
diarrhea
Hazard Analysis and Critical Control Points
Gastrointestinal Contents
Salmonella Infections
salmonellosis
Feces
animal health
electronics
food safety
dairies
feces
Serogroup
spatial distribution
Health

ASJC Scopus subject areas

  • veterinary(all)

Cite this

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abstract = "Electronic records from the California Animal Health and Food Safety Laboratory System between January 1, 1991, and June 30, 1998, were reviewed, and data on 593 Salmonella serotypes isolated from feces or intestinal contents of adult dairy cattle with diarrhea were analyzed to determine spatial and temporal clustering. A statistically significant clustering in space was detected with 10 (Typhimurium, Montevideo, Muenster, Anatum, Give, Menhaden, Kentucky, Agona, Derby, and Newport) of the 13 serotypes examined. Significant temporal clustering was also detected with 10 serotypes (Typhimurium, Montevideo, Muenster, Anatum, Give, Newbrunswick, Menhaden, Kentucky, Derby, and Newport). Six serotypes (Anatum, Menhaden, Montevideo, Muenster, Newbrunswick, and Newport) were significantly spatially and temporally clustered. A difference in temporal and spatial distribution patterns of some serotypes associated with diarrhea in adult dairy in California was found. Knowledge of the specific type of clustering, if present, should improve our understanding of the transmission and control of salmonellosis in the field.",
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