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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
16/06/2016 |
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Data da última atualização: |
29/12/2017 |
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Autoria: |
OLINDA, R. G.; MAIA, L. A.; CARGNELUTTI, J. F.; GOIS, R. C. S.; BATISTA, J. S.; DANTAS, A. F. M.; FLORES, E. F.; RIET-CORREA, F. |
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Afiliação: |
ROBERIO G. OLINDA, UFCG; LISANKA A. MAIA, UFCG; JULIANA F. CARGNELUTTI, UFSM; RAYR C. S. GOIS, Universidade Federal Rural do Semi-Árido; JAEL S. BATISTA, Universidade Federal Rural do Semi-Árido; ANTÔNIO F. M. DANTAS, UFCG; EDUARDO F. FLORES, UFSM; FRANKLIN RIET-CORREA, UFCG. |
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Título: |
Swinepox dermatitis in backyard pigs in Northeastern Brazil. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 36, n. 6, p. 468-472, junho. 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
This article describes five outbreaks of swinepox in backyard pigs in Northeastern Brazil. It affected backyard pigs from herds of poor hygienic-sanitary conditions with severe fly and lice infestations. The morbidity ranged from 33.3 to 100% among affected herds, with mortality reaching up to 60%. The affected pigs developed multifocal to coalescent gray to white papules and blisters in the skin, with eventual eruptions, evolving to erosions and crusts. In addition to skin lesions, affected piglets presented apathy, anorexia and fever. The disease was auto-limiting, resolving within 15 to 25 days. Histological examination revealed proliferative and ulcerative vesiculopustular dermatitis with ballooning degeneration of epithelial cells, perivascular inflammatory infiltrates of lymphocytes, plasma cells, neutrophils, eosinophils and some macrophages in the dermis. Intracytoplasmic eosinophilic inclusions were consistently observed in keratinocytes. Total DNA extracted from fresh tissue fragments obtained from one outbreak and formalin-fixed, paraffin-embedded (FFPE) tissue from the other four outbreaks was submitted to polymerase chain reaction (PCR) for Swinepox virus (SWPV) and Vaccinia virus (VACV). Genetic SWPV material was identified by PCR in fresh material from one outbreak. Nucleotide sequencing and phylogenetic analysis of the PCR amplicons (viral polymerase gene) demonstrated 100% homology with sequences from SWPV. All tissues were PCR negative for VACV. Swine poxvirus is present in backyard pigs in Northeastern Brazil, indicating the need of including SWPV in the differential diagnosis of dermatitis in pigs. MenosThis article describes five outbreaks of swinepox in backyard pigs in Northeastern Brazil. It affected backyard pigs from herds of poor hygienic-sanitary conditions with severe fly and lice infestations. The morbidity ranged from 33.3 to 100% among affected herds, with mortality reaching up to 60%. The affected pigs developed multifocal to coalescent gray to white papules and blisters in the skin, with eventual eruptions, evolving to erosions and crusts. In addition to skin lesions, affected piglets presented apathy, anorexia and fever. The disease was auto-limiting, resolving within 15 to 25 days. Histological examination revealed proliferative and ulcerative vesiculopustular dermatitis with ballooning degeneration of epithelial cells, perivascular inflammatory infiltrates of lymphocytes, plasma cells, neutrophils, eosinophils and some macrophages in the dermis. Intracytoplasmic eosinophilic inclusions were consistently observed in keratinocytes. Total DNA extracted from fresh tissue fragments obtained from one outbreak and formalin-fixed, paraffin-embedded (FFPE) tissue from the other four outbreaks was submitted to polymerase chain reaction (PCR) for Swinepox virus (SWPV) and Vaccinia virus (VACV). Genetic SWPV material was identified by PCR in fresh material from one outbreak. Nucleotide sequencing and phylogenetic analysis of the PCR amplicons (viral polymerase gene) demonstrated 100% homology with sequences from SWPV. All tissues were PCR negative for VACV. Swine poxvi... Mostrar Tudo |
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Palavras-Chave: |
Doença viral. |
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Thesagro: |
Dermatite; Suíno; Varíola. |
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Thesaurus Nal: |
Dermatitis; Poxviridae; Swine; Viral diseases of animals and humans. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/144459/1/Swinepox-dermatitis.pdf
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Marc: |
LEADER 02469naa a2200301 a 4500
001 2047167
005 2017-12-29
008 2016 bl uuuu u00u1 u #d
100 1 $aOLINDA, R. G.
245 $aSwinepox dermatitis in backyard pigs in Northeastern Brazil.
260 $c2016
520 $aThis article describes five outbreaks of swinepox in backyard pigs in Northeastern Brazil. It affected backyard pigs from herds of poor hygienic-sanitary conditions with severe fly and lice infestations. The morbidity ranged from 33.3 to 100% among affected herds, with mortality reaching up to 60%. The affected pigs developed multifocal to coalescent gray to white papules and blisters in the skin, with eventual eruptions, evolving to erosions and crusts. In addition to skin lesions, affected piglets presented apathy, anorexia and fever. The disease was auto-limiting, resolving within 15 to 25 days. Histological examination revealed proliferative and ulcerative vesiculopustular dermatitis with ballooning degeneration of epithelial cells, perivascular inflammatory infiltrates of lymphocytes, plasma cells, neutrophils, eosinophils and some macrophages in the dermis. Intracytoplasmic eosinophilic inclusions were consistently observed in keratinocytes. Total DNA extracted from fresh tissue fragments obtained from one outbreak and formalin-fixed, paraffin-embedded (FFPE) tissue from the other four outbreaks was submitted to polymerase chain reaction (PCR) for Swinepox virus (SWPV) and Vaccinia virus (VACV). Genetic SWPV material was identified by PCR in fresh material from one outbreak. Nucleotide sequencing and phylogenetic analysis of the PCR amplicons (viral polymerase gene) demonstrated 100% homology with sequences from SWPV. All tissues were PCR negative for VACV. Swine poxvirus is present in backyard pigs in Northeastern Brazil, indicating the need of including SWPV in the differential diagnosis of dermatitis in pigs.
650 $aDermatitis
650 $aPoxviridae
650 $aSwine
650 $aViral diseases of animals and humans
650 $aDermatite
650 $aSuíno
650 $aVaríola
653 $aDoença viral
700 1 $aMAIA, L. A.
700 1 $aCARGNELUTTI, J. F.
700 1 $aGOIS, R. C. S.
700 1 $aBATISTA, J. S.
700 1 $aDANTAS, A. F. M.
700 1 $aFLORES, E. F.
700 1 $aRIET-CORREA, F.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 36, n. 6, p. 468-472, junho. 2016.
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Embrapa Unidades Centrais (AI-SEDE) |
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