2016, Cilt 32, Sayı 1, Sayfa(lar) 022-025
Serologic prevalence of Ornithobacterium rhinotracheale infection in commercial layers
Zeki Aras1, Zafer Sayin2, Gokcenur Sanioglu1
1Department of Microbiology, Veterinary Faculty of Aksaray University, Campus, Aksaray, Turkey
2Department of Microbiology, Veterinary Faculty of Selcuk University, Campus, Konya, Turkey
Keywords: Ornithobacterium rhinotracheale, layer, serological prevalence
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Aim: The purpose of this study was to determine the serological prevalence of Ornithobacterium (O.) rhinotracheale infections in commercial layers.

Materials and Methods: A total of 650 blood serum samples were collected from 26 different layer flocks located in Konya, Aksaray, Karaman, Ankara, and Gaziantep provinces. None of the chickens have been vaccinated against O. rhinotracheale prior to sampling. The presence of antibodies against O. rhinotracheale in each sample was determined by ELISA.

Results: Of the 650 serum samples, 113 (17.4%) were found to be positive for O. rhinotracheale antibodies. These 113 positive sera were collected from 12 (46.2%) out of 26 flocks. The twelve infected flocks belonged to 12 different farms form Konya, Gaziantep, Ankara and Karaman.

Conclusion: The results of this study indicated that O. rhinotracheale infection is at high prevalence in the commercial layer flocks from this part of Turkey.