Bovina norovirus och nebovirus – prevalens och riskfaktorer för infektion i svenska mjölkkobesättningar

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https://hdl.handle.net/20.500.12703/3936

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    Bovina norovirus och nebovirus – prevalens och riskfaktorer för infektion i svenska mjölkkobesättningar
    (2022-01) Tråven, Madeleine
    Aim of the study was to determine the prevalence of bovine norovirus and nebovirus infections in dairy calves in Sweden. A secondary aim was to analyse herd and management factors associated with these infections. In this study, samples and data collected for another study in 2005-2007 were used. The samples and data were originally collected for studying Cryptosporidium infections. Fecal samples from 5 calves 2-30 days of age were collected by a veterinarian visiting each farm once. For the present study, samples were analysed by RT-PCR for bovine norovirus and nebovirus. For specification of the methods, see the published paper. The management data were collected at the farm visits by observation and interview of farmers using a standardized questionnaire.