期刊
PREVENTIVE VETERINARY MEDICINE
卷 92, 期 4, 页码 341-350出版社
ELSEVIER
DOI: 10.1016/j.prevetmed.2009.08.026
关键词
Network analysis; Meta-population model; Cattle movement; Disease spread
Livestock movement data represent a valuable source of information to understand the pattern of contacts between premises which may determine the spread of diseases. Social network analysis techniques have been used to analyse the movement patterns of cattle in Italy in 2007. A description of the structure of the Italian cattle industry is presented and the main trade flows and the relations between premises in relation to the potential spread of cattle diseases are investigated. Epidemic simulations have been carried out on the network build out of movement data using a network-based meta-population model. The simulations show the influence of the network structure on the dynamics and size of a hypothetic epidemic and give useful indications on the effects of targeted removal of nodes based on the centrality of premises within the network of animal movements. (C) 2009 Elsevier B.V. All rights reserved.
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