ANTI-Lentivirus, Brucella abortus AND B. ovis ANTIBODIES IN SMALL RUMINANTS RAISED IN PERNAMBUCO AND BAHIA

Authors

  • Rodolfo de Moraes Peixoto Area of Animal Sciences, Instituto Federal de Educação, Ciência e Tecnologia do Sertão Pernambucano, Petrolina, PE.
  • Grace Barbosa dos Santos Area of Animal Sciences, Universidade Federal do Vale do São Francisco, Petrolina, PE.
  • Evandro Santos Amanso Area of Animal Sciences, Universidade Federal do Vale do São Francisco, Petrolina, PE.
  • Maria da Conceição Aquino de Sá Area of Animal Sciences, Universidade Federal do Vale do São Francisco, Petrolina, PE.
  • Renata de Moraes Peixoto Araújo Area of Animal Sciences, Universidade Federal do Vale do São Francisco, Petrolina, PE.
  • Mateus Matiuzzi da Costa Area of Animal Sciences, Universidade Federal do Vale do São Francisco, Petrolina, PE.

DOI:

https://doi.org/10.1590/1983-21252016v29n229rc

Keywords:

Brucellosis. CAEV. Goats. Sheep. Serology.

Abstract

Goat and sheep production in the semi-arid northeast of Brazil has shown great economic potential. However, health problems can compromise the productivity of these animals. Given the scarcity of studies about the occurrence of these diseases, the aim of the present study was to analyze the serological diagnosis of anti-Brucella and anti-lentivirus antibodies among small ruminants in municipalities located in the Brazilian states of Bahia and Pernambuco. The samples were collected from local slaughterhouses and dairy farms. In total, 997 serum samples from animals in slaughterhouses and dairy herds were collected. In order to diagnose the caprine arthritis encephalitis virus (CAEV), the samples underwent agarose gel immunodiffusion (AGID) testing. The buffered acidified antigen test (goats) and agarose gel immunodiffusion test (sheep) were used to detect anti-Brucella abortus and B. ovis antibodies following the methodology recommended by the Institute of Technology of Paraná (TECPAR). With anti-CAEV antibodies, seropositivity rates of 4.1% and 2.2% were recorded for animals from the slaughterhouses and dairy farms, respectively. None of the animals (goats or sheep) were positive for anti-B. abortus antibodies. With B. ovis, a seropositivity rate of 6.5% (n = 13) was recorded among the 199 sheep serum samples. Results of the present study confirmed the presence of the CAE virus in the meat and dairy herds studied, although the prevalence was low. Natural infection by B. abortus did not occur in the goat and sheep herds assessed. Seropositivity for B. ovis was confirmed, although prevalence was low. Direct tests are required to diagnose ovine brucellosis.

Author Biography

  • Rodolfo de Moraes Peixoto, Area of Animal Sciences, Instituto Federal de Educação, Ciência e Tecnologia do Sertão Pernambucano, Petrolina, PE.
    Área de Produção Animal;

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Published

03-05-2016

Issue

Section

Technical Note