Abstract
Abstract The presence of Chlamydia psittaci in captive psittacines may have a subclinical presentation, despite its importance in immunosuppressed birds and humans because of its zoonotic potential. The aim of this study was to determine the seroprevalence of C. psittaci in macaws (Ara spp.). Birds were kept in captivity in three zoos in the department of Lima. In total, 34 adult birds (11 Ara macao, 15 Ara ararauna, 5 Ara chloropterus, and 7 Ara severus) were studied. A total of 0.5 mL of blood was obtained from the right jugular vein and placed into a coagulant-free tube. Blood serum was analyzed using an ELISA (Immunocomb Avian Chlamidopophila psittaci kit) in order to determine IgG antibody titers. The presence of antibodies to C. psittaci in macaws are reported for the first time in Peru, with a seroprevalence of 44.74 ± 15.84% (17/38). No significant differences between the origin of birds and the presence of the antibodies were found.
Highlights
Macaws (Ara spp.) are charismatic parrots that belong to the order Psittaciformes
The aim of this study was to determine the seroprevalence of C. psittaci in macaws (Ara spp.)
The presence of antibodies to C. psittaci in macaws are reported for the first time in Peru, with a seroprevalence of 44.74 ± 15.84% (17/38)
Summary
Macaws (Ara spp.) are charismatic parrots that belong to the order Psittaciformes It is a bird group severely threatened by many anthropogenic factors(1). Macaws are popular in illegal wildlife trade and, after seized, they are usually hosted in zoos(3) Health studies of these birds in Peru are still lacking; it is important to demonstrate the presence of agents, such as bacteria, that can severely affect this group of birds. One of these pathogens is the Chlamydia psittaci, a bacterium causing Psittacosis or Chlamydiosis in wild birds In some cases, this disease can present sub-clinical signs and after a period of stress or immune system deficiency clinical signs can be observed(3, 4). It is suitable for additional tests in psittacine collections for diagnosis and treatment(3)
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