Detection of Mycoplasma synoviae infection in broiler breeder farms of Tehran province using PCR and culture methods
2010
Pourbakhsh, S.A., Razi Vaccine & Serum Research Institute, Karaj, Iran | Shokri, G.R., Razi Vaccine & Serum Research Institute, Karaj, Iran | Banani, M., Razi Vaccine & Serum Research Institute, Karaj, Iran | Elhamnia, F., General Office of Tehran Province Veterinary, Tehran, Iran | Ashtari, A., Razi Vaccine & Serum Research Institute, Karaj, Iran
Mycoplasma synoviae (MS) is an important avian pathogen that can cause both respiratory disease and joint inflammation synovitis in poultry, inducing economic losses to the Iranian chicken industry especially breeder farms. The aim of this study was to use the MS specific PCR and culture methods in order to detect of M. synoviae from breeder farms where located in Tehran province. A total of 475 samples including choanal cleft, trachea, ovary and /or joint cavities from 23 broiler breeder farms of Tehran area were collected. Samples were cultured in PPLO broth media supplemented for MS isolation. The bacteria DNAs were extracted by phenol/chloroform method. Specific published primers amplify a 207 bp region of the 16S rRNA gene of MS were used for PCR method. Out of 475 samples, 146 cultures were shown positive and typical Mycoplasma colonies, 85 samples were also identified MS based on agglutination test with specific MS antiserum and the PCR method. A total of 122 samples, a band with 207 bp was shown as MS specific PCR product in electrophoresis. In addition to these 85 samples that were positives in both culture and PCR, 37 samples that had not grown in Mycoplasma media were positive in MS specific PCR. A total of 292 samples were negatives in both culture and PCR methods. 122 positive samples out of 475 samples (25.7%) were belonged to 7 breeder farms (30.4%). On conclusions, the MS infection of broiler breeder farms of Tehran area was confirmed truly. From the results, as the PCR method reduces the time consuming, an effectiveness and efficient for detection of M. synoviae infection of chicken breeder. It is then suggested that the PCR method could be an alternative method for culturing.
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