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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Aspectos epidemiol?gicos da Babesiose equina na Regi?o Norte do Estado do Rio Grande do Sul. / Aspects epidemiologic of equine babesiosis from the northern region of the state of Rio Grande do Sul

Golynski, Anselmo Afonso 27 February 2007 (has links)
Made available in DSpace on 2016-04-28T20:16:24Z (GMT). No. of bitstreams: 1 2007- Anselmo Afonso Golynski.pdf: 441467 bytes, checksum: 4be0e7906cd49bbe4d5b13b8a892680b (MD5) Previous issue date: 2007-02-27 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior / The present study aimed to determine the prevalence of Babesia equi and B. caballi in horses from the northern region of the State of Rio Grande do Sul, examining the maintenance practices and identifying the principal factors involved in transmission and infection rates. There were collected 380 blood samples and tested with ELISA and Indirect immunofluorescence (RIFI) for B. equi and for B. caballi was used competitive ELISA. The sample number was statistically representative for the equine population of the state. Testing positive for B. equi by ELISA and RIFI were 31,6% and 35,8%, respectively, of the samples examined. The prevalence of B. caballi was 0,86%. The concordance between tests was considered high as shown by the Kappa index of 0,86%. There was not observed a statistically significant difference (p<0,05) between the sex, age and breed of the horses. According to the present study the northern region of the state of Rio Grande do Sul can be characterized as an area of enzootic instability for B. equi and B. caballi, offering risks of economic losses due to babesiosis outbreaks, especially in sensible animals introduced from indene areas, horse trade and participating in events (as rodeos, auction sales, and others) or even in animals born in the region. Analyzing the questionnaires, the maintaining systems and the purposes of the equine use were the factors that had influence on the prevalence of equine babesiosis. / O trabalho teve por objetivo determinar a preval?ncia da Babesia equi e B. caballi em eq?inos da regi?o Norte do Estado do Rio Grande do Sul bem como conhecer as pr?ticas de manejo adotadas e identificar os principais fatores que est?o envolvidos na sua transmiss?o e preval?ncia. Coletaram-se 380 amostras de sangue, n?mero estatisticamente representativo para a popula??o de eq?inos em estudo, as quais foram analisadas por meio do teste de ELISA e pela rea??o de imunofluoresc?ncia indireta (RIFI) e para a B. caballi foi utilizado o Elisa competitivo. Do total das amostras, 31,6% e 35,8% foram positivas para B. equi ao teste de ELISA e RIFI respectivamente, sendo que, a preval?ncia de B. caballi foi de apenas 0,86%. A concord?ncia entre os testes foi considerada ?tima, atrav?s do ?ndice Kappa de 0,87. N?o foi constatada nenhuma diferen?a significativa estatisticamente (p<0,05) entre o sexo, ra?as e faixas et?rias dos eq?inos. De acordo com o presente estudo a regi?o Norte do Estado do Rio Grande do Sul ?, portanto caracterizada como uma ?rea de instabilidade enzo?tica para B. equi e B. caballi oferecendo riscos reais de ocorr?ncia e perdas econ?micas causadas por surtos de babesiose causada por B. equi e B. caballi especialmente em animais sens?veis, procedentes de ?reas indenes, com?rcio de animais, participa??o em eventos (esportivos ou recreativos dentro ou fora da Regi?o ou Estado) ou mesmo entre animais nascidos naquela regi?o. Ap?s a an?lise dos question?rios, os sistemas e as finalidades da cria??o foram os ?nicos fatores que influenciaram na preval?ncia das babesioses equinas.

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