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dc.contributor.authorEnright, Jessica-
dc.contributor.authorKao, Rowland R-
dc.description.abstractBackground  Individual animal-level reporting of cattle movements between agricultural holdings is in place in Scotland, and the resulting detailed movement data are used to inform epidemiological models and intervention. However, recent years have seen a rapid increase in the use of registered links that allow Scottish farmers to move cattle between linked holdings without reporting.  Results  By analyzing these registered trade links as a number of different networks, we find that the geographical reach of these registered links has increased over time, with many holdings linked indirectly to a large number of holdings, some potentially geographically distant. This increase was not linked to decreases in recorded movements at the holding level. When combining registered links with reported movements, we find that registered links increase the size of a possible outward chain of infection from a Scottish holding. The impact on the maximum size is considerably greater than the impact on the mean.  Conclusions  We outline the magnitude and geographic extent of that increase, and show that this growth both has the potential to substantially increase the size of epidemics driven by livestock movements, and undermines the extensive, invaluable recording within the cattle tracing system in Scotland and, by extension, the rest of Great Britain.en_UK
dc.publisherBioMed Central-
dc.relationEnright J & Kao RR (2016) A descriptive analysis of the growth of unrecorded interactions amongst cattle-raising premises in Scotland and their implications for disease spread, BMC Veterinary Research, 12, Art. No.: 37.-
dc.rights© Enright and Kao. 2016 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( applies to the data made available in this article, unless otherwise stated.-
dc.subjectCattle movement networken_UK
dc.titleA descriptive analysis of the growth of unrecorded interactions amongst cattle-raising premises in Scotland and their implications for disease spreaden_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleBMC Veterinary Research-
dc.citation.issnNo ISSN-
dc.type.statusPublisher version (final published refereed version)-
dc.contributor.affiliationMathematics - CSM Dept-
dc.contributor.affiliationUniversity of Glasgow-
Appears in Collections:Computing Science and Mathematics Journal Articles

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