Imunógenos dos vírus da leucose bovina: II. Utilizaçäo dos imunógenos purificados para detecçäo dos abticorpos, pelo ensaio da imunodifusäo dupla / Bovine Leukosis virus immunogens: II. Use of purified immunogens in the detection of antibodies, by double immunodifusion assay

The diuble immunodiffusion test in agar was applied in normal bovine sera in order to detect the presence of immunoglobulins aginst the epitopes of gp56 and p25 of bovine leukosis virus. Among the samples tested none were rectivep25 of viral core. The presence of immunoglobulins ins indicative of the host contact with the virus but does not mean that the animal is sick. We purified both antigens, p25 and gp56. the simplicity of the test done in field trial allows as to suggest it in large scale epidemilogical surveys