1. Detection and characterization of chlamydophila psittaci in asymptomatic feral pigeons (Columba livia domestica) in central Thailand
Ladawan SARIYA ; Phirom PROMPIRAM ; Siriporn TANGSUDJAI ; Kanaporn POLTEP ; Tatiyanuch CHAMSAI ; Chalisa MONGKOLPHAN ; Kamolphan RATTANAVIBUL ; Verachai SAKDAJIVACHAREON
Asian Pacific Journal of Tropical Medicine 2015;8(2):94-97
Objective: To detect and characterize Chlamydophila psittaci (C. psittaci) in asymptomatic feral pigeons in central Thailand. Methods: A total 814 swabs from the trachea and cloacae of 407 non-clinical feral pigeons in central Thailand were collected and tested for the presence of C. psittaci. Results: A 10.8% of feral pigeons in the sample group were positive as determined by nested PCR primer specific to C. psittaci. The outer membrane protein A (ompA) gene of positive samples exhibited amino acid identity of C. psittaci ranging from 71 to 100% and were grouped in genotype B. Exceptionally, BF1676-56 isolate was closely related to Chlamydia avium with 99% identification of the 16S ribosomal (r) RNA gene. Conclusions: This is the first report on C. psittaci isolated from asymptomatic feral pigeons in Thailand, which provides knowledge for the disease status in pigeon populations in Thailand.
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