RESUMO No período de janeiro a outubro de 2007, foram tuberculinizadas 1.866 fêmeas caprinas de diferentes raças e idades distribuídas em 84 propriedades da microrregião de Monteiro, semiárido da Paraíba. Nove cabras (0,48%) foram positivas, duas delas foram sacrificadas e, à necropsia foram observadas lesões sugestivas de tuberculose nos pulmões e no fígado. No exame histopatológico, foram evidenciados granulomas típicos. Foi procedido o cultivo e isolamento de micobactérias, sendo observado o crescimento do agente no meio de cultura de Stonebrink a partir de 36 dias de incubação, com um tempo médio de crescimento de 42 dias. Também foram encontrados resultados positivos na pesquisa de bacilos álcool-ácido resistentes (BAAR) pela coloração de Ziehl-Neelsen. O cultivo de Corynebacterium pseudotuberculosis foi negativo. O presente relato, com isolamento e visualização do agente, bem como verificação de lesões macro e microscópicas, é o primeiro caso de tuberculose confirmado em caprinos do semiárido brasileiro.

ABSTRACT From January to October 2007, 1,866 female goats of different breeds and ages from 84 herds of the Monteiro microregion, in a semiarid area of Paraíba State, Brazil, were tuberculinized. Nine goats (0.48%) were positive and two of them were slaughtered, and at necropsy tuberculosis-like lesions were found in lungs and liver. At the histopathologic examination, typical tuberculosis granulomas were observed. Micobacteria culture and isolation were carried out, and there was growth of the agent on the Stonebrink medium culture from 36 days of inoculation with an average growth time of 42 days. Positive results were also found in the research of acid-fast bacilli by Ziehl-Neelsen staining. The culture of Corynebacterium pseudotuberculosis was negative. This report, with isolation and visualization of the agent, as well as verification of gross and microscopic lesions, is the first confirmed case of tuberculosis in goats of a semiarid region of Brazil.

RESUMO O objetivo do presente trabalho foi determinar a soroprevalência da leptospirose em fêmeas bovinas em idade reprodutiva no Estado da Bahia. A amostragem foi delineada para a determinação da prevalência de propriedades positivas (focos) e de animais soropositivos para a leptospirose. O Estado foi dividido em quatro regiões ou estratos amostrais, nos quais foram examinadas 10.823 fêmeas bovinas com idade ≥ 24 meses distribuídas em 1.414 propriedades. A reação de Soroaglutinação Microscópica (SAM), empregando 23 sorovares de Leptospira spp. como antígenos, foi utilizada como teste diagnóstico. O rebanho foi considerado foco quando apresentou pelo menos um animal soropositivo. As prevalências de foco e de animais soropositivos no Estado foram de 77,93% [IC 95% = 75,73% – 79.99%] e 45,42% [IC 95% = 42,00% – 48,88%], respectivamente.

ABSTRACT The aim of this work was to determine the seroprevalence of leptospirosis in reproductive-age bovine females in Bahia State, Northeastern Brazil. The sampling was delineated for the determination of the prevalence of seropositive animals as well as herds positive for bovine leptospiroses (foci). The state was divided into 4 regions or sampling strata in which 10,823 bovine females aged ≥ 24 months allocated in 1,414 herds were sampled. The microscopic agglutination test (MAT), using 23 Leptospira spp. serovars as antigens, was employed as a diagnostic test. The herd was considered positive if at least one animal was seropositive. The prevalences of positive herds and seropositive animals in the state were 77.93% [75.73%–79.99%] and 45.42% [42.00%–48.88%], respectively. Serovar Hardjo (Hardjoprajitno) was the most frequent, with 34.49% [31.93%–37.14%] of positive herds and 14.95% [12.59%–17.67%] of seropositive animals in the different regions.

One of the most intriguing aspects of Chern-Simons-type topological models is the fractional statistics of point particles which has been shown essential for our understanding of the fractional quantum Hall effects. Furthermore these ideas are applied to the study of high Tc superconductivity. We present here an recently proposed model for fractional spin with the Pauli term. On the other hand, in D=4 space-time, a Schwarz-type topological gauge theory with antisymmetric tensor gauge field, namely B ^ F model, is reviewed. Antisymmetric tensor fields are conjectured as mediator of string interaction. A dimensional reduction of the previous model provides a (2+1) dimensional topological theory, which involves a 2-form B and a 0-form phi. Some recent results on this model are reported. Recently, there have been thoughts of generalizing unusual statistics to extended objects in others space-time dimensions, and in particular to the case of strings in four dimensions. In this context, discussions about fractional spin and antisymmetric tensor field are presented.