2000
DOI: 10.1354/vp.37-6-667
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Retrospective Study of Porcine Circovirus 2 Infection in Japan: Seven Cases in 1989

Abstract: Retrospectively, we demonstrated that seven pigs necropsied in 1989 had characteristic porcine circovirus 2 (PCV-2) lymphoid tissue lesions of severe lymphoid depletion, syncytial giant cell formation, and intracytoplasmic inclusion bodies in macrophages. Immunohistochemically, PCV-2 antigen was detected in these tissues and the distribution of positive staining corresponded to the distribution of inclusion bodies. Electron microscopy demonstrated viral particles compatible with porcine PCV-2. Therefore, the d… Show more

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Cited by 20 publications
(16 citation statements)
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“…This finding was in accordance with several previous reports. PCV2 antigen was detected by immunohistochemistry in pigs necropsied in 1989 in Japan (35). In addition, pooled serum samples from 12 herds in Belgium collected in 1985 (34) and serum samples obtained from sows at a slaughter house in Canada the same year (29) contained antibodies to PCV2.…”
Section: Discussionmentioning
confidence: 99%
“…This finding was in accordance with several previous reports. PCV2 antigen was detected by immunohistochemistry in pigs necropsied in 1989 in Japan (35). In addition, pooled serum samples from 12 herds in Belgium collected in 1985 (34) and serum samples obtained from sows at a slaughter house in Canada the same year (29) contained antibodies to PCV2.…”
Section: Discussionmentioning
confidence: 99%
“…De acordo com Lukert & Allan (1999), a SDMSD é observada em suínos entre a 8ª e a 12ª semanas de idade, porém outros autores a verificaram em animais entre a 7ª e a 15ª semanas ) e entre a 8ª e a 16ª semanas . Outros autores ainda registraram a SDMSD entre a 4ª e a 14ª semanas (Mori et al 2000, Sorden 2000 e, até mesmo, entre a 6ª e 8ª semanas de idade (Lukert & Allan, 1999). Segundo Madec et al (2000), o período de transmissão ocorreria entre a 5ª e a 16ª semanas, com fase crítica e mortes ocorrendo por volta da 13ª semana.…”
Section: Resul II Resul Ii Resul Ii Resul Ii Results T T T Tadunclassified
“…Mori et al (2000) observaram taxas de mortalidade de 5-6% e Sorden (1999) de 10%, porém, em algumas propriedades, esta chegaria à aproximadamente 50%. Verificou-se ainda súbito aumento da mortalidade de suínos em crescimento , Calsamiglia et al 2002.…”
Section: Resul II Resul Ii Resul Ii Resul Ii Results T T T Tadunclassified
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