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Revista Pan-Amazônica de Saúde

versão impressa ISSN 2176-6223versão On-line ISSN 2176-6223

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CAMARGO, Daniel Stangarlin de et al. Identification of rotavirus G and P genotypes in nursing and weaned piglets in the metropolitan region of Belém, Pará State, Northern Brazil. Rev Pan-Amaz Saude [online]. 2012, vol.3, n.3, pp.11-19. ISSN 2176-6223.

Rotaviruses are an important agent of diarrhea in piglets, primarily during nursing and post-weaning with severity. The aim of this study was to identify rotavirus G and P genotypes obtained from piglets reared at five piggeries in Belém, Pará State, Northern Brazil. Fecal specimens were collected from nursing and weaned piglets. A total of 172 samples were tested, of which 17 (9.9%) were positive for group A rotaviruses all of them from piglets kept at nursing and then were sequenced for the of VP7 and VP4 genotyping. The consistency of positive fecal samples were 53% (9/17) diarrheic, 23.5% (4/17) pasty and 23.5% (4/17) normal. The most common G genotype was G3 representing 53% (9/17), followed by G5 genotype (17%, 3/17). The P genotype recorded was P[23] corresponding to 23.5% (4/17). This study showed that rotaviruses circulated in swine herds in the metropolitan region of Belém, in Northern region. G3P[23] combination was recorded for the first time in Brazil.

Palavras-chave : Rotavirus; Piglets, Weaning; Herds, G3P[23] genotype.

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