Cristiano Barros de Melo

Infecção pelo vírus da artrite encefalite caprina no Rio Grande do Norte

Estudaram-se a ocorrencia e os fatores predisponentes a artrite encefalite caprina (CAEV) no Rio Grande do Norte. O questionario epidemiologico aplicado a 42 proprietarios de 11 municipios produtores de leite avaliou o grau de instrucao escolar do proprietario, a origem dos animais, o tipo de criacao, as enfermidades mais frequentes e o manejo sanitario, em geral, bem como as taxas de morbidade e mortalidade. Prevalencia de 11% de infeccao pelo CAEV foi observada nos rebanhos, com animais soropositivos em todos os municipios pesquisados. As condicoes de criacao mostraram que ha fatores que predispoem a introducao ou disseminacao da doenca na regiao estudada.

Avaliação de uma metodologia profilática contra a mastite clínica em ovelhas da raça Santa Inês

Mastitis is an important problem for the Santa Ines ewes and is a disease strongly related to the management carried out in the herd. A comparative study was carried out between the proposed method based on drying (treatment) and the traditional method (control). Sixty-two Santa Ines ewes raised in a semi-extensive system were divided in two groups of 31 ewes each: treatment group (G1) and control group (G2). The animals were monitored each week searching for clinical sings of mastitis. In 8.4% of G1 and 41.3% of G2 animals, the udder was warm and hyperemic. The presence of residual milk was lower in G1 (24.3%) compared to those of G2 (74.2%). The proposed treatment for the control of ovine mastitis significantly reduced the frequency of the clinical signs of the disease.

Distribuição de anticorpos para herpesvírus bovino 1 em rebanhos bovinos

A distribuicao de anticorpos neutralizantes para o herpesvirus bovino 1 (HVB 1) foi estudada em quatro faixas etarias de bovinos, em 21 rebanhos de leite e de corte. Os resultados da sorologia foram analisados e relacionados com as respostas de questionarios aplicados aos responsaveis pelos rebanhos. As taxas de frequencia de anticorpos neutralizantes para o HVB 1 foram comparadas segundo a aptidao e a faixa etaria. Fatores como tipo de manejo e idade dos animais influenciaram na distribuicao de anticorpos para o HVB 1.

Bacteria in Dairy Products in Baggage of Incoming Travelers, Brazil

To the Editor: International air travel can lead to the rapid global dissemination of infectious agents. Unlike products and byproducts of animal origin imported between countries under agreements that legally establish sanitary standards, products introduced into a country illegally or irregularly do not follow specific standards and can come from any source, thereby posing a risk to the health status of a country. Animal products transported clandestinely in baggage can contain infectious agents harmful to animal and human health (1–4). We investigated Brucella spp., Mycobacterium bovis, and Mycobacterium avium subsp. paratuberculosis (MAP) in dairy products seized from baggage of passengers on flights at the 2 main international airports (Guarulhos Airport, Sao Paulo, and Galeao Airport, Rio de Janeiro), in Brazil.

Perfil sanitário e zootécnico de rebanhos caprinos nas microrregiões do Cariri paraibano

This work was performed in 60 goat farms located in 15 counties of the micro regions of Western and Eastern Cariri, in Paraiba, to describe and analyze the sanitary profile of the flocks. Visits were done and the answers, obtained from questionnaires that were applied to the farmers, were used. It was observed a mortality of 20% in young animals in 80% of the farms. The presence of technical assistance in 93.3% in the studied farms, adoption of prophylactic calendar in 85% and parasitic control in 83.3% of the flocks were also observed.

Infection by Mycoplasma agalactiae in dairy goat herds in the microregions of Cariri in Paraíba State, Brazil

O objetivo deste trabalho foi verificar a ocorrencia de Mycoplasma agalactiae, com o uso da reacao em cadeia da polimerase (PCR), em 30 rebanhos caprinos leiteiros nas microrregioes do Cariri Ocidental e Oriental do estado da Paraiba. Das 120 amostras de leite testadas, nove (7,5%) apresentaram amplificacao de apenas um fragmento com 360pb. As amostras que amplificaram este fragmento estavam presentes em 6/30 (20%) fazendas localizadas nos municipios de Amparo, Santo Andre e Gurjao.

Antibodies to bluetongue virus in cattle of Paraíba State, Brazil.

In June of 1997 the prevalence of antibodies to bluetongue virus was between 3.94 and 4.82% in 137 bovine serum samples from 12 herds in Paraiba State, Brazil. This is the first report of antibodies to bluetongue virus in Paraiba State herds.