prevalence and associate factors to the infection for lentivirus of small ruminants in caprine of tocantins state, brazil prevalÊncia e fatores associados À infecÇÃo por lentivÍrus de pequenos ruminantes em caprinos no estado do tocantins

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ID: 245911
2010
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Abstract
The aim of this study was to estimate the prevalence of caprine blood reagents to small-ruminant lentiviruses (SRLV), through a non probabilistic sampling of herds in Tocantins State. In order to detect the anti-SRLV antibodies, 843 blood samples were analyzed using the microimmunodiffusion test in agarose gel – MICRO-IDGA. The frequency of blood reagent goats was 2.7% (23/843). Five focus, being two in the city of Araguaína and one in each of the cities of Babaçulândia, Filadelfia and Miracema do Tocantins had been identified. The results were distributed according to micro-region in the following manner: 10.0 (20/200) and 1.4% (3/207) for the North and Miracema micro-regions, respectively. The Saanen was the breed with the highest percentage of blood reagent animals (11.7%; 7/60), the undefined breed animals 0.6% (2/310) and Anglo-Nubian (3.0%; 14/466). Regarding age, 1.9% (6/314) and 3.2% (17/529) of animals under and over 24 months of age, respectively, tested positive. 2.4% (4/166) of males and 2.8% (19/677) of females tested positive. The SRLV infection occurs at a low prevalence among goats in Tocantins State, affecting mainly animal of the Saanen breed and from the north region.  <br /><br />KEY WORDS: Brazil, CAEV, epidemiology, microimmunodiffusion. <br /><br /> Objetivando estimar a prevalência de caprinos sororreagentes aos lentivírus de pequenos ruminantes (LVPR), através de uma amostragem não probabilística em rebanhos no Estado do Tocantins, analisaram-se 843 amostras de soros, mediante a utilização do teste de imunodifusão em gel de agarose (MICRO-IDGA) para a detecção de anticorpos anti-LVPR, sendo verificada uma frequência de animais sororreagentes de 2,7% (23/843). Identificaram-se cinco focos: dois no município de Araguaína e um em cada um desses municípios: Babaçulândia, Filadélfia e Miracema do Tocantins. De acordo com a região, os resultados foram os seguintes: 10,0% (20/200) e 1,4% (3/207) para as microrregiões Norte e Miracema, respectivamente. Entre as raças, a Saanen se apresentou com o maior percentual de animais sororreagentes, 11,7% (7/60). Para os animais sem raça definida, o percentual foi de 0,6% (2/310), e para a Anglo-Nubiana, de 3,0% (14/466). De acordo com a idade, os animais com idade inferior e superior a 24 meses apresentaram 1,9% (6/314) 3,2% (17/529), respectivamente. Os machos apresentaram 2,4% (4/166) de positivos e as fêmeas 2,8% (19/677). Os resultados indicam que os LVPR ocorrem com baixa prevalência no Estado do Tocantins, afetando principalmente animais da raça Saanen e da região norte. <br /><br />PALAVRAS-CHAVES: Brasil, CAEV, epidemiologia, microimunodifusão.<br />
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Authors ;Pedro Alves Moura Sobrinho;Taciana Rabelo Ramalho Ramos;Cláudio Henrique clemente Fernandes;Ana Claudia Campos;Luciana Menezes Costa;Roberto Soares Castro
Journal proceedings of the winter simulation conference winter simulation conference
Year 2010
DOI
DOI not found
URL
http://www.revistas.ufg.br/index.php/vet/article/view/3957
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