analysis of the beak and feather disease viral genome indicates the existence of several genotypes which have a complex psittacine host specificity.a study was made of the phylogenetic relationships between fifteen complete nucleotide sequences as well as 43 nucleotide sequences of the putative coat protein gene of different strains belonging to the virus species beak and feather disease virus obtained from 39 individuals of 16 psittacine species. the species included among others, cockatoos ( cacatuini), african grey parrots ( psittacus erithacus) and peach-faced lovebirds ( agapornis roseicollis), which were infected at different geograph ...200415290360
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