Results: 40

Prevalence of bovine tuberculosis in the Aksu Region of Xinjiang, China, between 1985 and 2016

Prevalence of bovine tuberculosis infection in cattle in Aksu Prefecture determined by intradermal tuberculin skin test (TST), between 1985 and 2016. Cattle were analyzed according to region, feeding pattern, herds and age. A total of 890,009 cattle were tested, with overall bovine tuberculosis prevalenc...

Tuberculosis of the central nervous system in cattle in Paraíba, Brazil

Pesqui. vet. bras; 38 (11), 2018
This paper describes six cases of tuberculosis in the central nervous system (CNS) of cattle in the state of Paraíba in northeastern Brazil. We reviewed the autopsy reports of 851 bovine necropsies performed from 2003 to 2016. Seventy-three (8.6%) cattle were diagnosed with tuberculosis and six showed l...

Ocorrência de brucelose e tuberculose bovinas no Rio Grande do Sul com base em dados secundários

Pesqui. vet. bras; 38 (1), 2018
Avaliaram-se os resultados de testes para diagnóstico da brucelose e tuberculose bovinas objetivando analisar a distribuição de positividade e características de performance do programa de controle. A análise utilizou como dados secundários todos os resultados de testes para diagnóstico realizados...

Risk factors for human Mycobacterium bovis infections in an urban area of Brazil

Mem. Inst. Oswaldo Cruz; 113 (8), 2018
BACKGROUND The World Health Organization (WHO) has classified human zoonotic tuberculosis (TB) due to Mycobacterium bovis as a neglected issue in the developing world. In a recent cross-sectional study in Brazil, three of 189 TB patients presented with a coinfection of M. bovis and M. tuberculosis and we...

Isolation and identification of Mycobacterium bovis in bovines with positive reaction to the tuberculin test in the state of Paraíba, northeast Brazil

Arq. Inst. Biol; 85 (), 2018
In areas where human tuberculosis and bovine tuberculosis coexist, differentiation between M. bovis and M. tuberculosis is important for monitoring the spread of M. bovis among cattle and from cattle to humans. The objective of this study was to isolate and identify M. bovis in bovines with positive diag...

False-negative reactions to the comparative intradermal tuberculin test for bovine tuberculosis

Pesqui. vet. bras; 37 (12), 2017
According to the Brazilian National Program for the Control and Eradication of Animal Brucellosis and Tuberculosis (PNCEBT), the routine tests for the diagnosis of bovine tuberculosis in the country are the simple intradermal tuberculin test (SITT) of the Ministry of Agriculture, Livestock and Food Suppl...

Diagnóstico histopatológico e molecular de lesões sugestivas de tuberculose em búfalos abatidos nos municípios de Macapá e Santana, estado do Amapá

Pesqui. vet. bras; 37 (11), 2017
Este estudo teve como objetivo avaliar lesões sugestivas de tuberculose em búfalos abatidos em matadouros oficiais no Estado do Amapá, Brasil, a fim de confirmar o diagnóstico de tuberculose por avaliação histopatológica e molecular. As amostras de tecido de 20 búfalos que apresentavam lesões su...

Nasal swab real-time PCR is not suitable for in vivo diagnosis of bovine tuberculosis

Pesqui. vet. bras; 37 (6), 2017
Bovine tuberculosis (bTB) is a zoonosis causing economic losses and public health risks in many countries. The disease diagnosis in live animals is performed by intradermal tuberculin test, which is based on delayed hypersensitivity reactions. As tuberculosis has complex immune response, this test has li...

Comparative study of Mycobacterium bovis primary isolation methods

Braz. j. microbiol; 48 (1), 2017
Abstract For the definitive diagnosis of bovine tuberculosis, isolation of the etiologic agent is required. However, there is no consensus on the best methodology for isolation of Mycobacterium bovis in Brazil. This study evaluated the most used decontaminants and culture media in the country, in order t...

Análise de custo-efetividade de protocolos no diagnóstico da tuberculose bovina em um rebanho naturalmente infectado

Pesqui. vet. bras; 36 (6), 2016
Em diversos países, a tuberculose bovina, causada por Mycobacterium bovis, é tanto um problema econômico quanto de saúde pública. Mundialmente, são implementados programas de erradicação da enfermidade com políticas baseadas em testes tuberculínicos e abate dos animais reativos, porém pouco se...