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Registro Completo |
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
24/10/2018 |
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Data da última atualização: |
24/10/2018 |
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Autoria: |
ZANI, C. C.; MARINHO, P. V. T.; DIAMANTE, G. A. C.; SUEIRO, F. A. R.; ARIAS, M. V. B. |
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Afiliação: |
Carolina C. Zani, Departamento de Clínicas Veterinárias/Universidade Estadual de Londrina - UEL; Paulo V. T. Marinho, Departamento de Cirurgia/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo - USP; Gabriel A. C. Diamante, Departamento de Cirurgia/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo - USP; Felipe A. R. Sueiro, Laboratório de Patologia e Biologia Molecular Veterinária - Vetpat; Mônica V. Bahr Arias, Departamento de Clínicas Veterinárias/Universidade Estadual de Londrina - UEL. |
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Título: |
Post mortem evaluation of spinal cord and protruded intervertebral discs in dogs without neurological abnormalities1 |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 38, n. 9, p. 1793-1799, setembro 2018 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Avaliação post mortem da medula espinhal e de discos intervertebrais protrusos em cães sem alterações neurológicas. |
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Conteúdo: |
The aim of this study was to verify the presence of protrusion of the intervertebral disc (IVD) causing compression of the spinal cord and/or roots of cauda equina in 30 dogs above seven years of age with no evidence of previous neurological abnormalities. After the occurrence of death or euthanasia, a laminectomy was performed from C2 to the sacral vertebra to verify the presence of IVD protrusions. The protruded IVD were macroscopically graded according to the Thompson scale, and the corresponding spinal cord segment was histologically analyzed for nervous tissue compression. Of the 30 dogs, twelve (40%) presented disc protrusion, and of these 12 dogs, seven (58%) presented more than one protruded disc. Disc protrusion was observed in 3.2% (25/780) of all IVD evaluated. Of the six chondrodystrophic dogs, five (83%) presented disc protrusion. Of the 24 nonchondrodystrophic dogs, seven (29%) presented IVD protrusion. The site that showed the highest frequency of protrusion was L4-L5 (6/25) followed by the L6-L7 region (3/25) and C6-C7 (3/25). Only two of the medullary segments valuated showed histological changes, with presence of focal lymphocytic infiltration and multifocal mild hemorrhage in the gray matter. Under the conditions of this study, 40% of dogs older than seven years old showed IVD protrusions without showing neurological signs, with no abnormality of the nervous tissue in 92% of the evaluated segments. Thus, the protrusion of the IVD in some dogs, can only be a finding of no clinical relevance. MenosThe aim of this study was to verify the presence of protrusion of the intervertebral disc (IVD) causing compression of the spinal cord and/or roots of cauda equina in 30 dogs above seven years of age with no evidence of previous neurological abnormalities. After the occurrence of death or euthanasia, a laminectomy was performed from C2 to the sacral vertebra to verify the presence of IVD protrusions. The protruded IVD were macroscopically graded according to the Thompson scale, and the corresponding spinal cord segment was histologically analyzed for nervous tissue compression. Of the 30 dogs, twelve (40%) presented disc protrusion, and of these 12 dogs, seven (58%) presented more than one protruded disc. Disc protrusion was observed in 3.2% (25/780) of all IVD evaluated. Of the six chondrodystrophic dogs, five (83%) presented disc protrusion. Of the 24 nonchondrodystrophic dogs, seven (29%) presented IVD protrusion. The site that showed the highest frequency of protrusion was L4-L5 (6/25) followed by the L6-L7 region (3/25) and C6-C7 (3/25). Only two of the medullary segments valuated showed histological changes, with presence of focal lymphocytic infiltration and multifocal mild hemorrhage in the gray matter. Under the conditions of this study, 40% of dogs older than seven years old showed IVD protrusions without showing neurological signs, with no abnormality of the nervous tissue in 92% of the evaluated segments. Thus, the protrusion of the IVD in some dogs, can only be ... Mostrar Tudo |
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Palavras-Chave: |
Degeneração do disco intervertebral; Intervertebral disc degeneration; Medula espinhal; Patologia; Post mortem. |
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Thesagro: |
Cão. |
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Thesaurus Nal: |
Animal pathology; Dogs; Spinal cord. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/184969/1/Post-mortem-evaluation-of-spinal.pdf
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Marc: |
LEADER 02572naa a2200289 a 4500
001 2098072
005 2018-10-24
008 2018 bl uuuu u00u1 u #d
100 1 $aZANI, C. C.
245 $aPost mortem evaluation of spinal cord and protruded intervertebral discs in dogs without neurological abnormalities1$h[electronic resource]
260 $c2018
500 $aTítulo em português: Avaliação post mortem da medula espinhal e de discos intervertebrais protrusos em cães sem alterações neurológicas.
520 $aThe aim of this study was to verify the presence of protrusion of the intervertebral disc (IVD) causing compression of the spinal cord and/or roots of cauda equina in 30 dogs above seven years of age with no evidence of previous neurological abnormalities. After the occurrence of death or euthanasia, a laminectomy was performed from C2 to the sacral vertebra to verify the presence of IVD protrusions. The protruded IVD were macroscopically graded according to the Thompson scale, and the corresponding spinal cord segment was histologically analyzed for nervous tissue compression. Of the 30 dogs, twelve (40%) presented disc protrusion, and of these 12 dogs, seven (58%) presented more than one protruded disc. Disc protrusion was observed in 3.2% (25/780) of all IVD evaluated. Of the six chondrodystrophic dogs, five (83%) presented disc protrusion. Of the 24 nonchondrodystrophic dogs, seven (29%) presented IVD protrusion. The site that showed the highest frequency of protrusion was L4-L5 (6/25) followed by the L6-L7 region (3/25) and C6-C7 (3/25). Only two of the medullary segments valuated showed histological changes, with presence of focal lymphocytic infiltration and multifocal mild hemorrhage in the gray matter. Under the conditions of this study, 40% of dogs older than seven years old showed IVD protrusions without showing neurological signs, with no abnormality of the nervous tissue in 92% of the evaluated segments. Thus, the protrusion of the IVD in some dogs, can only be a finding of no clinical relevance.
650 $aAnimal pathology
650 $aDogs
650 $aSpinal cord
650 $aCão
653 $aDegeneração do disco intervertebral
653 $aIntervertebral disc degeneration
653 $aMedula espinhal
653 $aPatologia
653 $aPost mortem
700 1 $aMARINHO, P. V. T.
700 1 $aDIAMANTE, G. A. C.
700 1 $aSUEIRO, F. A. R.
700 1 $aARIAS, M. V. B.
773 $tPesquisa Veterinária Brasileira, Rio de Janeiro$gv. 38, n. 9, p. 1793-1799, setembro 2018
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Embrapa Unidades Centrais (AI-SEDE) |
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Biblioteca(s): |
Embrapa Amapá. |
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Data corrente: |
16/11/2017 |
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Data da última atualização: |
16/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 2 |
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Autoria: |
CARVALHO, A. A.; TAVARES-DIAS, M. |
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Afiliação: |
A. A. CARVALHO, Unifap; MARCOS TAVARES DIAS, CPAF-AP. |
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Título: |
Diversity of parasites in Cichlasoma amazonarum Kullander, 1983 during rainy and dry seasons in eastern Amazon (Brazil). |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Journal of Applied Ichthyology, v. 33, n. 6, p. 1178-1183, 2017. |
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DOI: |
10.1111/jai.13451 |
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Idioma: |
Inglês |
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Conteúdo: |
This study investigated the influence of the rainy and dry seasons on the parasite communities of Cichlasoma amazonarum (Kullander, 1983) in a tributary of the Amazon River system, northern Brazil. Of 112 fish examined, 95.5% were parasitized by Ichthyophthirius multifiliis, Piscinoodinium pillulare, Gussevia disparoides, Posthodiplostomum sp., Procamallanus (Spirocamallanus) inopinatus, and Echinorhynchus paranensis, as well as by the Glossiphoniidae leech. Ichthyophthirius multifiliis and P. pillulare were the dominant parasite species, with I. multifiliis the most prevalent and abundant; the leech (Glossiphoniidae) was the least prevalent and least abundant. Parasites presented an aggregate dispersion pattern and seasonal variations in infestation levels, influenced by the environmental conditions in the rainy season. Variation in the parasite dynamics created overall changes in the parasite communities, characterized by greater diversity, species richness and evenness during the rainy season.However, there was a high similarity (99.8%) in the parasite community structure between the rainy and dry seasons. During the dry season the hosts had predominantly 1?3 parasite species compared to 3?4 parasites in the rainy season. Some parasites in the eastern Amazon undergo population changes relating to seasonality. These results thus indicate the correct season to apply adequate prophylactic measures to reduce negative impacts of parasites in this wild ornamental fish when captured. MenosThis study investigated the influence of the rainy and dry seasons on the parasite communities of Cichlasoma amazonarum (Kullander, 1983) in a tributary of the Amazon River system, northern Brazil. Of 112 fish examined, 95.5% were parasitized by Ichthyophthirius multifiliis, Piscinoodinium pillulare, Gussevia disparoides, Posthodiplostomum sp., Procamallanus (Spirocamallanus) inopinatus, and Echinorhynchus paranensis, as well as by the Glossiphoniidae leech. Ichthyophthirius multifiliis and P. pillulare were the dominant parasite species, with I. multifiliis the most prevalent and abundant; the leech (Glossiphoniidae) was the least prevalent and least abundant. Parasites presented an aggregate dispersion pattern and seasonal variations in infestation levels, influenced by the environmental conditions in the rainy season. Variation in the parasite dynamics created overall changes in the parasite communities, characterized by greater diversity, species richness and evenness during the rainy season.However, there was a high similarity (99.8%) in the parasite community structure between the rainy and dry seasons. During the dry season the hosts had predominantly 1?3 parasite species compared to 3?4 parasites in the rainy season. Some parasites in the eastern Amazon undergo population changes relating to seasonality. These results thus indicate the correct season to apply adequate prophylactic measures to reduce negative impacts of parasites in this wild ornamental fish when capt... Mostrar Tudo |
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Palavras-Chave: |
Animal parasite; Peixe água doce. |
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Thesagro: |
Parasito de animal; Variação sazonal. |
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Thesaurus NAL: |
freshwater fish; seasonal variation. |
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Categoria do assunto: |
S Ciências Biológicas |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/166823/1/CPAF-AP-2017-Diversity-of-parasites-in-Cichlasoma.pdf
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Marc: |
LEADER 02211naa a2200217 a 4500
001 2079920
005 2017-11-16
008 2017 bl uuuu u00u1 u #d
024 7 $a10.1111/jai.13451$2DOI
100 1 $aCARVALHO, A. A.
245 $aDiversity of parasites in Cichlasoma amazonarum Kullander, 1983 during rainy and dry seasons in eastern Amazon (Brazil).$h[electronic resource]
260 $c2017
520 $aThis study investigated the influence of the rainy and dry seasons on the parasite communities of Cichlasoma amazonarum (Kullander, 1983) in a tributary of the Amazon River system, northern Brazil. Of 112 fish examined, 95.5% were parasitized by Ichthyophthirius multifiliis, Piscinoodinium pillulare, Gussevia disparoides, Posthodiplostomum sp., Procamallanus (Spirocamallanus) inopinatus, and Echinorhynchus paranensis, as well as by the Glossiphoniidae leech. Ichthyophthirius multifiliis and P. pillulare were the dominant parasite species, with I. multifiliis the most prevalent and abundant; the leech (Glossiphoniidae) was the least prevalent and least abundant. Parasites presented an aggregate dispersion pattern and seasonal variations in infestation levels, influenced by the environmental conditions in the rainy season. Variation in the parasite dynamics created overall changes in the parasite communities, characterized by greater diversity, species richness and evenness during the rainy season.However, there was a high similarity (99.8%) in the parasite community structure between the rainy and dry seasons. During the dry season the hosts had predominantly 1?3 parasite species compared to 3?4 parasites in the rainy season. Some parasites in the eastern Amazon undergo population changes relating to seasonality. These results thus indicate the correct season to apply adequate prophylactic measures to reduce negative impacts of parasites in this wild ornamental fish when captured.
650 $afreshwater fish
650 $aseasonal variation
650 $aParasito de animal
650 $aVariação sazonal
653 $aAnimal parasite
653 $aPeixe água doce
700 1 $aTAVARES-DIAS, M.
773 $tJournal of Applied Ichthyology$gv. 33, n. 6, p. 1178-1183, 2017.
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