To evaluate pathogenicity of 3 Chicken Anemia Virus isolates-CV1, CV2 and CV3 respectively - the current experiment carried out. After tittering of the viruses, 30 one day old SPF chicks were grouped and intramuscularly inoculated with each isolate in a separate group. Two other groups as positive and control groups were inoculate with a live vaccine virus and normal saline respectively. During...

Chicken anaemia agent (CAA) was purified using differential centrifugation and successive cycles of equilibrium density gradient centrifugation using sucrose and CsCl. The purification method was dependent on the use of an antigen-detecting ELISA based on a CAA-specific monoclonal antibody. Virus particles banded at a density of 1.33 to 1.34 g/ml in CsCl and measured 23.5 +/- 0.8 nm in diameter...

Strand-specific riboprobes representative of either strand of the chicken anaemia virus (CAV) replicative form (RF) DNA indicated that only one strand of the RF was transcribed to produce a major 2.0 kb transcript and that the encapsidated DNA strand was of negative sense. Primer extension analysis located a single transcriptional start site at nucleotide position 360 of the CAV sequence. Ampli...