Publications

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[pathologic-anatomic and morphometric examinations on the heart in feral cockatoos].to evaluate the heart of free-living psittacine birds macroscopically and morphologically, and to compare the results to findings published for psittacine birds living in captivity to obtain information on the influence of bird keeping in a human environment on the psittacine heart.201425284467
differential expression of two isolates of beak and feather disease virus capsid protein in escherichia coli.expression of recombinant beak and feather disease virus (bfdv) capsid-associated protein (cap) has relied on inefficient techniques that typically produce low yields or use specialized expression systems, which greatly increase the cost and expertise required for mass production. an escherichia coli system was used to express recombinant bfdv cap derived from two isolates of bfdv, from a long-billed corella (cacatua tenuirostris) and an orange-bellied parrot (obp; neophema chrysogaster). purifi ...201323403150
health and nutritional status of wild australian psittacine birds: an evaluation of plasma and hepatic mineral levels, plasma biochemical values, and fecal microflora.to evaluate the health and nutritional status of 3 wild australian psittacine species, plasma and hepatic mineral concentrations and plasma biochemical values were measured in wild-caught galahs (eolophus roseicapilla), long-billed corellas (cacatua tenuirostris), and sulphur-crested cockatoos (cacatua galerita). no correlations were found between hepatic and plasma mineral levels. mean plasma calcium (1.79 mmol/l [7.16 mg/dl]) and sodium (103 mmol/ l [103 meq/l]) concentrations were lower, wher ...201021302759
assessment of recombinant beak and feather disease virus capsid protein as a vaccine for psittacine beak and feather disease.beak and feather disease virus (bfdv) is a significant pathogen of wild australasian and african psittacine birds. we assessed the immunogenicity of recombinant bfdv capsid (recbfdvcap) to protect against the development of psittacine beak and feather disease (pbfd). long-billed corellas (cacatua tenuirostris) (n=13) received (by injection) 1 ml vaccine containing 10 microg recbfdvcap on day 0 and 0.4 ml vaccine containing 66.8 microg recbfdvcap on day 11. all vaccinated corellas and five non-va ...200919218209
the haemagglutination spectrum of psittacine beak and feather disease virus.a simple method for concentrating psittacine beak and feather disease virus (pbfdv) from crude feather suspensions is described. the addition of 10% polyethylene glycol (mw 6000 to 9000) to feather suspensions facilitated the precipitation and pelleting of pbfdv by low speed centrifugation. pellets were resuspended in one-twentieth of the original volume with caesium chloride (cscl) buffer and subjected to isopycnic ultracentrifugation. peak haemagglutination activity (ha) occurred at 1.35 g/ml ...199418671129
a feather disease in senegal doves (streptopelia senegalensis) morphologically similar to psittacine beak and feather disease.the pathogenesis and epidemiology of a feather disease in wild senegal doves (streptopelia senegalensis) which is morphologically similar to psittacine beak and feather disease (pbfd) was investigated. although the lesions in doves resembled pbfd there was little evidence for the presence of psittacine circovirus (pscv). haemagglutination activity (ha) using type a galah (eolophus roseicapillus) erythro-cytes was not detected in feathers or livers of affected doves as would occur in pbfd. low co ...199718483948
seroprevalence of psittacine beak and feather disease in wild psittacine birds in new south wales.a haemagglutination inhibition assay was used to detect antibody to psittacine beak and feather disease virus in sera from wild sulphur crested cockatoos (cacatua galerita), galahs (eolophus roseicapillus), short-billed corellas (cacatua sanguinea), eastern long-billed corellas (cacatua tenuirostris) and other psittacine birds in new south wales. the seroprevalence of psittacine beak and feather disease ranged from 41% to 94% in different flocks, indicating infection with the virus is widespread ...19938494522
a serologic survey for avian polyomavirus and pacheco's disease virus in australian cockatoos.sera collected from wild and captive australian cockatoos and other psittacine species (n = 411) were tested for antibodies to avian polyomavirus (apv) and pacheco's disease virus (pdv). of 144 wild sulphur-crested cockatoos (cacatua galerita) sampled at three regions in new south wales (nsw) 96 (64.4%) birds had positive (>/= 1:32) neutralizing antibody titres to avian polyomavirus (range 1:32-1:2048). two of 17 wild long-billed corellas (cacatua tenuirostris) were also apv-antibody positive. h ...199818483996
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