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Seroprevalência de paratuberculose em ovinos e caprinos na região do Baixo Alentejo

Authors: Matado, André Filipe Fernandes;

Seroprevalência de paratuberculose em ovinos e caprinos na região do Baixo Alentejo

Abstract

No presente trabalho verificámos se existia circulação do agente da paratuberculose nas explorações de pequenos ruminantes no distrito de Beja. Avaliou-se a variação da circulação do agente em função das raças, localização geográfica, coabitação com outras espécies e dimensão das explorações. O estudo consistiu na pesquisa serológica que incidiu em 27 explorações de regime semi-extensivo utilizando um teste ELISA em animais com idade superior a 2 anos. Foram analisadas 25 explorações de ovinos de aptidão carne e duas de caprinos. Foram rastreados no total 187 animais, 172 ovinos e 15 caprinos. A seroprevalência aparente de rebanho encontrada foi 14,8%, com intervalo de confiança 5,9 a 32,5%. Na estimativa da seroprevalência real de rebanho este valor sobe para 41,2%, com intervalo de confiança 16,4 a 90,2%. Apenas o factor coabitação dos rebanhos rastreados com rebanhos de bovinos revelou ter significância, podendo ser considerado factor de risco nos rebanhos de pequenos ruminantes; ABSTRACT: In this study we tested the circulation of Paratuberculosis in small ruminant flocks in the district of Beja. We evaluated the variation of the agent circulation with race, geographic location, cohabitation with other species and flocks size. The study consisted of a serological survey in 27 semi-extensive farms using an ELISA test in animals older than 2 years. We surveyed25 sheep flocks designed for meat production and two goats flocks. We screened a total of 187 animals, 172 sheep and 15 goats. The apparent herd prevalence found was 14.8% with a confidence limit from 5.9 to 32.5%. In estimating the real herd prevalence this figure rises to 41.2% with a confidence limit from 16.4 to 90.2%. Only the cohabitation flocks factor with cattle flocks seems to be significant and can be considered a risk factor in small ruminants.

Country
Portugal
Related Organizations
Keywords

Paratuberculosis, Seroprevalence, Paratuberculose, Pequenos ruminantes, Seroprevalência, Small ruminants

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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