molecular characterization of indian isolates of infectious bursal disease virus from broiler chickens.the present study was undertaken to characterize recent field isolates of infectious bursal disease virus (ibdv) by reverse transcription-polymerase chain reaction (rt-pcr) and partial sequencing of vp2 gene. the virus could be detected in 17 of 20 field samples from broiler chickens in haryana state, india as well as in all the four vaccine strains. nucleotide sequences of four field isolates and one vaccine strain were compared with 10 reported ibdv strains from different parts of the world. n ...200617381044
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