Prevalence and Antibiotic Resistance of Helicobacter pullorum Isolates in Poultry From Semnan Province, Iran
Background: Helicobacter pullorum predominantly colonizes the gut of apparently healthy chickens and the livers and intestinal contents of hens with enteritis and vibrionic hepatitis. Objective: The aim of this study was to assess the prevalence and antibiotic resistance of Helicobacter pullorum in...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Alborz University of Medical Sciences
2020
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| Acceso en línea: | https://doaj.org/article/0b12d4f931e44147859368844bf7818f |
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| Sumario: | Background: Helicobacter pullorum predominantly colonizes the gut of apparently healthy chickens and the livers and intestinal contents of hens with enteritis and vibrionic hepatitis. Objective: The aim of this study was to assess the prevalence and antibiotic resistance of Helicobacter pullorum in broiler chickens, laying hens, and turkeys in Semnan province. Materials and Methods: A total of 300 samples were collected from 60 poultry farms in Semnan province, including 240 cecal samples from 48 broiler farms, 30 fecal samples from 6 laying hen farms, and 30 cecal samples from 6 turkey farms. Each sample was analyzed by conventional culture method and biochemical tests. The suspected colonies were subjected to polymerase chain reaction (PCR) using 16S rRNA gene. Antibiotic resistance of the confirmed colonies was determined using disk diffusion method. Results: Of 300 samples, 85 (28.3%) samples obtained from 36 (60%) poultry farms were positive for H. pullorum. Of these samples, 72 (30%) were from 30 (62.5%) broiler farms, 4 (13.3%) were from 2 (33.3%) laying hen farms, and 9 (30%) were from 4 (66.7%) turkey farms. Moreover, resistance to ciprofloxacin was observed in all of the H. pullorum isolates. Conclusion: This study demonstrated the moderate prevalence of H. pullorum in poultry in Semnan province for the first time, while the prevalence of this pathogen in laying hen and turkey has not been determined in Iran. In addition, this study could reveal the antibiotic resistance profile of H. pullorum as the first report in Iran. Therefore, more studies are needed to focus on the prevalence and antibiotic resistance of H. pullorum in poultry in other regions of Iran. |
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