Publications

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beak and feather disease virus (bfdv) prevalence, load and excretion in seven species of wild caught common australian parrots.pathogens pose a major risk to wild host populations, especially in the face of ongoing biodiversity declines. beak and feather disease virus (bfdv) can affect most if not all members of one of the largest and most threatened bird orders world-wide, the psittaciformes. signs of disease can be severe and mortality rates high. its broad host range makes it a risk to threatened species in particular, because infection can occur via spill-over from abundant hosts. despite these risks, surveillance o ...202032609774
identification and phylogenetic analysis of clade c avipoxvirus in a fowlpox outbreak in exotic psittacines in southern brazil.fowlpox is one of the oldest diseases reported in birds. the causative genus avipoxvirus affects ~232 domestic and wild species. we present herein the history, clinical findings, and macroscopic and histologic lesions caused by a clade c poxvirus in an exotic psittacine breeding colony in southern brazil. clinical signs included yellow nodular lesions at the commissure of the beak and on the periocular skin, loss of appetite, and death. fifty birds were autopsied, and fragments of periocular ski ...201830199325
does control of insensible evaporative water loss by two species of mesic parrot have a thermoregulatory role?insensible evaporative water loss (ewl) at or below thermoneutrality is generally assumed to be a passive physical process. however, some arid zone mammals and a single arid zone bird can control their insensible water loss, so we tested the hypothesis that the same is the case for two parrot species from a mesic habitat. we investigated red-rumped parrots (psephotus haematonotus) and eastern rosellas (platycercus eximius), measuring their ewl, and other physiological variables, at a range of re ...202032747451
changes in exploration from courtship to the breeding state in red-rumped parrots (psephotus haematonotus).animals explore their environment to gather information about feeding areas, resting places, or suitable territories for reproduction. during the annual cycle seasonal variation in exploration occurs at least in some species. in this study, exploratory behaviour of red-rumped parrots (psephotus haematonotus) was investigated during part of the reproductive period including courtship and incubation. on 2 test days 14 pairs in either the courtship or the breeding state were confronted with three u ...200010922527
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