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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
Print version ISSN 0102-0935
BAVIA, M.E. et al. Spatial scan statistic in the detection of risk areas for bovine cysticercosis in the state of Bahia. Arq. Bras. Med. Vet. Zootec. [online]. 2012, vol.64, n.5, pp. 1200-1208. ISSN 0102-0935. http://dx.doi.org/10.1590/S0102-09352012000500018.
In order to identify the spatial geographical distribution of the infected animals and measure the areas under risk of contracting bovine cysticercosis, spatial scan analysis was used to identify clusters of positive bovine for Cysticercus bovis recorded in the period from 2006 to 2007, from six slaughterhouses under the Federal Inspection Service. The number of slaughtered cattle was 825,951, of which (0.7%) 5,395 were diagnosed as positive for the disease, through post-mortem inspection. The spatial scan analysis through the likelihood ratio showed the spatial distribution of bovine cysticercosis concentrated in defined a geographic area less likely to have occurred by chance, with an estimated risk of 13.6. This specific area encompasses 101 municipalities that belong to Itapetinga, Litoral Sul, Médio Rio de Contas, Vitória da Conquista and Extremo Sul Territories of Identification in Bahia State.
Keywords : bovine cysticercosis; spatial analyst; geographical distribution.