Evaluation of caprine arthritis-encephalitis virus transmission in newborn goat kids

Estudo da transmissão do vírus da artrite-encefalite caprina em cabritos neonatos

Apoliana de Sousa Rodrigues Raymundo Rizaldo Pinheiro Roberta Lomonte Lemos de Brito Leandro Silva Oliveira Eduardo Luiz de Oliveira Vanderlan Warlington Souza dos Santos Alice Andrioli Thiago Sampaio de Souza Ronaldo Pereira Dias Maria Fátima da Silva Teixeira About the authors

ABSTRACT:

Caprine arthritis encephalitis causes considerable losses in goat production. The main form of the caprine arthritis encephalitis virus transmission is through the ingestion of colostrum or milk from infected females. However, some transmissions cannot be explained in this manner. Therefore, this study aimed to evaluate transplacental transmission of caprine arthritis encephalitis virus. Blood samples were collected from 283 newborn kids of Anglo-Nubian and Saanen breeds born from seropositive and seronegative goats. Samples were collected immediately after birth and analyzed with agarose gel immunodiffusion and western blot. All samples were negative in the agarose gel immunodiffusion. However, the western blot test demonstrated that four kids were born positive for caprine arthritis encephalitis virus. This result indicates that although in a low frequency (1.4%), there is a possibility of transplacental transmission of small ruminant lentivirus.

KEYWORDS:
small ruminant lentivirus; agarose gel immunodiffusion; western blot

Instituto Biológico Av. Conselheiro Rodrigues Alves, 1252 - Vila Mariana - São Paulo - SP, 04014-002 - São Paulo - SP - Brazil
E-mail: arquivos@biologico.sp.gov.br