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Interspecific transmission of small ruminant lentiviruses from goats to sheep
Souza, Thiago S de; Pinheiro, Raymundo R; Costa, Joselito N; Lima, Carla CV de; Andrioli, Alice; Azevedo, Dalva AA de; Santos, Vanderlan WS dos; Araújo, Juscilânia F; Sousa, Ana Lídia M de; Pinheiro, Danielle NS; Fernandes, Flora MC; Costa Neto, Antonio O.
Afiliação
  • Souza, Thiago S de; Universidade Federal do Recôncavo da Bahia. Cruz das Almas. Brasil
  • Pinheiro, Raymundo R; Embrapa Caprinos e Ovinos. Sobral. Brasil
  • Costa, Joselito N; Universidade Federal do Recôncavo da Bahia. Cruz das Almas. Brasil
  • Lima, Carla CV de; Universidade Federal da Bahia. Salvador. Brasil
  • Andrioli, Alice; Embrapa Caprinos e Ovinos. Sobral. Brasil
  • Azevedo, Dalva AA de; Universidade Estadual Vale do Acaraú. Sobral. Brasil
  • Santos, Vanderlan WS dos; Universidade Estadual Vale do Acaraú. Sobral. Brasil
  • Araújo, Juscilânia F; Universidade Estadual Vale do Acaraú. Sobral. Brasil
  • Sousa, Ana Lídia M de; Universidade Estadual Vale do Acaraú. Cruz das Almas. Brasil
  • Pinheiro, Danielle NS; Universidade Federal do Recôncavo da Bahia. Cruz das Almas. Brasil
  • Fernandes, Flora MC; Universidade Federal da Bahia. Salvador. Brasil
  • Costa Neto, Antonio O; Universidade Estadual de Feira de Santana. Feira de Santana. Brasil
Braz. J. Microbiol. ; 46(3): 867-874, 015. 2015. 2015. tab, ilus
Article em En | VETINDEX | ID: vti-15254
Biblioteca responsável: BR1.1
Localização: BR68.1
ABSTRACT
This study was conducted in order to evaluate the transmission of caprine lentivirus to sheep using different experimental groups. The first one (colostrum group) was formed by nine lambs receiving colostrum from goats positive for small ruminant lentiviruses (SRLV). The second group (milk group) was established by nine lambs that received milk of these goats. Third was a control group, consisting of lambs that suckled colostrum and milk of negative mothers. Another experimental group (contact group) was formed by eight adult sheep, confined with two naturally infected goats. The groups were monitored by immunoblotting (IB), enzyme-linked immunosorbent assay (ELISA), agar gel immunodiffusion (AGID) and nested polymerase chain reaction (nPCR). All lambs that suckled colostrum and milk of infected goats and six sheep of the contact group had positive results in the nPCR, although seroconversion was detected only in three of the exposed animals, with no clinical lentiviruses manifestation, in 720 days of observation. There was a close relationship between viral sequences obtained from infected animals and the prototype CAEV-Cork. Thus, it was concluded that SRLV can be transmitted from goats to sheep, however, the degree of adaptation of the virus strain to the host species probably interferes with the infection persistence and seroconversion rate..(AU)
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Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: Braz. J. Microbiol. Ano de publicação: 2015 Tipo de documento: Article

Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: Braz. J. Microbiol. Ano de publicação: 2015 Tipo de documento: Article