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Relata-se a disseminação da infeção pelo vírus da doença de Aujeszky (VDA) a partir da comercialização de reprodutores suínos oriundos de duas granjas de reprodutores suídeos certificada (GRSC) que tiveram surto da DA. Após a confirmação do diagnóstico de DA, os suínos comercializados 37 a 45 dias anteriores aos surtos foram recolhidos, submetidos ao exame sorológico para o VDA e enviados ao abate. Nos rebanhos-destino foram realizados exames sorológicos para o VDA 17 a 37 dias após o recolhimento, naqueles que estavam lojados nas baias vizinhas àquelas onde haviam sido alojados os suínos comprados; seis meses mais tarde, foi realizada outra sorologia por amostragem dos reprodutores. No total, 52 rebanhos compraram suínos das duas granjas, e, destes, 37 (69,8%) receberam, pelo menos, um animal com sorologia positiva para o VDA. Somente sete (18,9%) deles apresentaram sorologia positiva para o VDA, e em 30 (81,1%), não houve indícios de disseminação da infecção. A contaminação pelo VDA de granjas GRSC representa enorme potencial para a disseminação da infecção, por meio do comércio de suínos de reposição. A rastreabilidade dos animais comercializados em um período anterior ao diagnóstico, com imediata remoção dos lotes de suínos dos rebanhos-destino, evitou a disseminação da infecção. It was reported the spreading of the infection caused by the virus of Aujesky's disease (VAD) by the commercialization of breeders originated from two pigs farms GRSC (Farms of Certified Swine Breeders - FCSB) which had an outbreak of Aujeszky's disease. After the positive diagnosis of Aujesky's disease, the pigs traded from 37 to 45 day before the outbreaks were removed from the herd, bled for serological exams for the VAD and sent to slaughterhouses. The herds which received these pigs were serologically tested for the VAD, 17 to 37 days after the removal of the animals. Serological tests were also performed in pigs lodged at neighboring cages to those which had been lodged with the pigs bought and a sampling test was done six months later. Thus, 52 flocks bought pigs from the farms 1 and 2. From those, 37 (69.8%) received at least one serum-positive pig for the VAD. Only seven (18.9%) of them were infected and 30 (81.1%) pigs showed no indications of infection by the VAD. The occurrence of VAD in FCSB farms represents huge potential for spreading of the VAD, by the trade of replacement pigs. The traceability investigation and removal of the animals traded before the diagnosis, with immediate removal of the positive lots of pigs at the destiny herd, avoided the spread of the infection

Disseminação do vírus da doença de Aujeszky, envolvendo o comércio de reprodutores suínos de reposição