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Polyomaviridae is a family of viruses whose natural hosts are primarily mammals and birds. [1] [2] As of 2024, there are eight recognized genera. [3]Fourteen species are known to infect humans, while others, such as Simian Virus 40, have been identified in humans to a lesser extent.
Psittacine beak and feather disease was first described in the early 1980s and has become recognised as the dominant viral pathogen of psittacine birds worldwide. In wild red-rumped grass parakeets (Psephotus haematonotus), a case of feather loss syndrome that was highly suggestive of PBFD was first recorded in South Australia in 1907. [2]
The virus Psittacid alphaherpesvirus 1 is the etiologic agent that causes Pacheco's disease. This virus species is closely related to Gallid alphaherpesvirus 1. [2] It was initially identified as a herpesvirus by examining its virion size, sensitivity to ether, the formation of intranuclear inclusions, its ability to thicken the nuclear membranes of the host cells.
The green-cheeked parrot is a small, sociable bird native to South America. They are also popular pets worldwide, as they are considered affectionate, playful, and full of personality. While the ...
Mammals and birds serve as natural hosts. There are currently 13 species in this family, divided among 1 genera, Polyomavirus (type species Simian virus 40 ). Diseases associated with this family include: JCPyV: progressive multifocal leukoencephalopathy; BKPyV: mild respiratory infection.
The Bird Treatment and Learning Center (also known as Bird TLC) is a wildlife rehabilitation center based in Anchorage, Alaska. It was founded in the 1980s by a veterinarian James R. Scott, and some of its early activities were funded partially by money given to Scott by Exxon in the wake of the 1989 Exxon Valdez oil spill.
A salmon-crested cockatoo, showing signs of feather-plucking on its chest. Feather-plucking, sometimes termed feather-picking, feather damaging behaviour or pterotillomania, [1] is a maladaptive, behavioural disorder commonly seen in captive birds that chew, bite or pluck their own feathers with their beak, resulting in damage to the feathers and occasionally the skin.
Pinioning is the act of surgically removing one pinion joint, the joint of a bird's wing farthest from the body, to prevent flight. Pinioning is often done to waterfowl and poultry. It is not typically done to companion bird species such as parrots. This practice is unnecessary and restricted in many countries.