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Spatio-temporal patterns and characteristics of swine shipments in the U.S. based on Interstate Certificates of Veterinary Inspection

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Gorsich, Erin E., Miller, Ryan S., Mask, Holly M., Hallman, Clayton, Portacci, Katie and Webb, Colleen T. (2019) Spatio-temporal patterns and characteristics of swine shipments in the U.S. based on Interstate Certificates of Veterinary Inspection. Scientific Reports, 9 (1). 3915 . doi:10.1038/s41598-019-40556-z

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Official URL: http://dx.doi.org/10.1038/s41598-019-40556-z

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Abstract

Domestic swine production in the United States is a critical economic and food security industry, yet there is currently no large-scale quantitative assessment of swine shipments available to support risk assessments. In this study, we provide a national-level characterization of the swine industry by quantifying the demographic (i.e. age, sex) patterns, spatio-temporal patterns, and the production diversity within swine shipments. We characterize annual networks of swine shipments using a 30% stratified sample of Interstate Certificates of Veterinary Inspection (ICVI), which are required for the interstate movement of agricultural animals. We used ICVIs in 2010 and 2011 from eight states that represent 36% of swine operations and 63% of the U.S. swine industry. Our analyses reflect an integrated and spatially structured industry with high levels of spatial heterogeneity. Most shipments carried young swine for feeding or breeding purposes and carried a median of 330 head (range: 1–6,500). Geographically, most shipments went to and were shipped from Iowa, Minnesota, and Nebraska. This work, therefore, suggests that although the swine industry is variable in terms of its size and type of swine, counties in states historically known for breeding and feeding operations are consistently more central to the shipment network.

Item Type: Journal Article
Subjects: H Social Sciences > HD Industries. Land use. Labor
Divisions: Faculty of Science > Life Sciences (2010- )
Library of Congress Subject Headings (LCSH): Swine industry -- United States, Animals -- Transportation -- United States
Journal or Publication Title: Scientific Reports
Publisher: Nature Publishing Group
ISSN: 2045-2322
Official Date: 8 March 2019
Dates:
DateEvent
2019UNSPECIFIED
8 March 2019Available
24 January 2019Accepted
Volume: 9
Number: 1
Article Number: 3915
DOI: 10.1038/s41598-019-40556-z
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
ST-108-000017U.S. Department of Homeland Securityhttp://dx.doi.org/10.13039/100000180
Cooperative Agreement 15-9200-0440-CAU.S. Department of Agriculturehttp://dx.doi.org/10.13039/100000199

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