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Chlamydia psittaci is a lethal intracellular bacterial species that may cause endemic avian chlamydiosis, epizootic outbreaks in other mammals, and respiratory psittacosis in humans. Potential hosts include feral birds and domesticated poultry, as well as cattle , pigs , sheep , and horses .
Psittacosis—also known as parrot fever, and ornithosis—is a zoonotic infectious disease in humans caused by a bacterium called Chlamydia psittaci and contracted from infected parrots, such as macaws, cockatiels, and budgerigars, and from pigeons, sparrows, ducks, hens, gulls and many other species of birds.
The cause, Chlamydia psittaci, which usually remains dormant in birds until activated by stress of capture and confinement, was discovered after the pandemic. Cases of psittacosis were reported in mid 1929, in Birmingham , United Kingdom, and linked to parrots from Buenos Aires , Argentina, where an ongoing outbreak of the disease had led to ...
As an island endemic species, Galapagos doves are at high risk from introduced diseases and predators. Introduced diseases include Trichomonas gallinae (perhaps spread from Rock doves or Eared doves from the mainland), and Haemoproteus malaria (which was found in more than 85% of birds on Española Island). Chlamydia psittaci is also a
By the 2010s this reclassification "was not wholly accepted or adopted" [8] among microbiologists, which "resulted in a reversion to the single, original genus Chlamydia, which now encompasses all 9 species including Chlamydia psittaci." [8] As of 2013, Chlamydophila was still mentioned in some databases, but controversial. [9]
Chlamydia felis (formerly Chlamydophila felis and before that Chlamydia psittaci var. felis) is a Gram-negative, obligate intracellular bacterial pathogen that infects cats. [2] It is endemic among domestic cats worldwide, primarily causing inflammation of feline conjunctiva , rhinitis and respiratory problems.
Chlamydia is a genus of pathogenic Gram-negative bacteria that are obligate intracellular parasites. Chlamydia infections are the most common bacterial sexually transmitted diseases in humans and are the leading cause of infectious blindness worldwide.
Thirty-two (12.6%) samples were positive for Chlamydi and two new genotypes were discovered: Chlamydophila psittaci and Chlamydophila abortus. [20] Another ailment that grey parrots commonly suffer from is hypocalcemic-induced seizure activity. Birds between 2–15 years of age contract it, due to a lack of calcium.