NDLI: Potential impact of introduction of foot-and-mouth disease from wild pigs into commercial livestock premises in California.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Pineda-Krch, Mario O'Brien, Joshua M. Thunes, Clair Carpenter, Tim E.
Spatial Coverage	California
Description	Country affiliation: United States Author Affiliation: Pineda-Krch M ( Center for Animal Disease Modeling and Surveillance, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616, USA.)
Abstract	OBJECTIVE: To estimate potential spread of foot-and-mouth disease (FMD) if introduced from wild pigs in California and to evaluate efficacies of various control strategies. SAMPLE POPULATION: Data for California livestock and from hunter surveys on wild pigs in California. PROCEDURES: A spatial, stochastic simulation model was used to simulate FMD epidemics that might occur if a dairy or beef herd were infected from contact with a wild pig. Index herd location and type were examined, in addition to different statewide movement ban (SWMB) durations, to determine their effect on extent of the epidemic. RESULTS: Duration, number of infected premises, size of simulated outbreak, number of culled animals, and spatial distribution of infected herds resulting from the simulated outbreaks varied considerably among geographic regions, depending on index case type and location. Outbreaks beginning in the southern region of California were consistently longest, whereas those beginning in the northern region were shortest. The largest outbreaks resulted from index cases located in the southern and valley regions, whereas outbreaks were smallest when originating in the Sonoma or northern regions. For all regions, when the index herd was a dairy herd, size and duration of the outbreak were consistently reduced with implementation of an SWMB >or= 3 days. CONCLUSIONS AND CLINICAL RELEVANCE: Introduction of FMDV from wild pigs into a dairy or beef herd could result in a large and rapidly spreading outbreak, potentially affecting large numbers of herds. Size and duration of the outbreak might be reduced with an SWMB; however, the impact is highly dependent on the index herd type and location.
File Format	HTM / HTML
ISSN	00029645
Issue Number	1
Volume Number	71
e-ISSN	19435681
Journal	American Journal of Veterinary Research
Language	English
Publisher	American Veterinary Medical Association
Publisher Date	2010-01-01
Publisher Place	United States
Access Restriction	Subscribed
Subject Keyword	Discipline Veterinary Medicine Animals, Domestic Animals, Wild Cattle Diseases Transmission Foot-and-mouth Disease Swine Diseases Animals California Epidemiology Cattle Computer Simulation Disease Outbreaks Veterinary Disease Reservoirs Models, Biological Swine Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Veterinary Medicine

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