TitleAbstractYear(sorted descending)
visna/maedi virus serology in sheep: survey, risk factors and implementation of a successful control programme in aragón (spain).a serological survey of visna/maedi virus (vmv) infection involving 274,048 sheep from 554 flocks was undertaken during 2002-2007 in aragón, north-east spain. one hundred and two of these flocks enrolled in a vmv control programme to reduce seroprevalence by selecting replacement lambs from seronegative dams and gradual culling of seropositive sheep. twenty-five flocks were also visited to collect flock management and housing data. all study flocks had seropositive animals and 52.8% of animals t ...201019747864
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