genotyping of canadian field strains of infectious bursal disease virus. | for this retrospective study, infectious bursal disease virus (ibdv) was detected in 134 bursal samples that originated from flocks with conditions such as airsacculitis, tracheitis, pneumonia, septicaemia, inclusion body hepatitis, coccidiosis, and/or a history of production problems without overt clinical symptoms. samples were from seven canadian provinces: ontario, quebec, manitoba, british columbia, nova scotia, alberta, and newfoundland and labrador. viral rna was identified in bursae with ... | 2007 | 17899469 |