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Suez Canal Veterinary Medical Journal. SCVMJ
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Ezzat, M., Elsotohy, M., Esawy, A., Wahdan, A. (2019). Prevalence and Molecular detection of some virulence genes among Salmonella species Isolated from Poultry. Suez Canal Veterinary Medical Journal. SCVMJ, 24(2), 137-145. doi: 10.21608/scvmj.2019.69834
Mahmoud Ezzat; Mahmoud Elsotohy; Abo Elkheir Esawy; Ali Wahdan. "Prevalence and Molecular detection of some virulence genes among Salmonella species Isolated from Poultry". Suez Canal Veterinary Medical Journal. SCVMJ, 24, 2, 2019, 137-145. doi: 10.21608/scvmj.2019.69834
Ezzat, M., Elsotohy, M., Esawy, A., Wahdan, A. (2019). 'Prevalence and Molecular detection of some virulence genes among Salmonella species Isolated from Poultry', Suez Canal Veterinary Medical Journal. SCVMJ, 24(2), pp. 137-145. doi: 10.21608/scvmj.2019.69834
Ezzat, M., Elsotohy, M., Esawy, A., Wahdan, A. Prevalence and Molecular detection of some virulence genes among Salmonella species Isolated from Poultry. Suez Canal Veterinary Medical Journal. SCVMJ, 2019; 24(2): 137-145. doi: 10.21608/scvmj.2019.69834

Prevalence and Molecular detection of some virulence genes among Salmonella species Isolated from Poultry

Article 2, Volume 24, Issue 2, December 2019, Page 137-145  XML PDF (401.83 K)
Document Type: Original Article
DOI: 10.21608/scvmj.2019.69834
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Authors
Mahmoud Ezzatorcid 1; Mahmoud Elsotohy2; Abo Elkheir Esawy3; Ali Wahdan4
1DDepartment of Bacteriology, Immunology and Mycology, Faculty of Veterinary Medicine, Suez Canal University, 41522 Ismailia, Egypt.
2Animal Health Research Institute, Bacteriology, Immunology and Mycology department, Mansoura laboratory, Egypt
32Animal Health Research Institute, Bacteriology, Immunology and Mycology department, Mansoura laboratory, Egypt.
4Department of Bacteriology, Immunology and Mycology, Faculty of Veterinary Medicine, Suez Canal University, 41522 Ismailia, Egypt.
Abstract
The current study aimed to isolate the salmonella species from different organs of broilers with complete phenotypic identification of the recovered isolates. After that all recovered isolates were tested for detection of some genes responsible for pathogencity.A total of 250 samples from broilers farms were examined bacteriologically for isolation of salmonella. All recovered isolates were identified phenotypically, biochemically and serologically. PCR technique was used for detection of invA, hilAand avrA genes. Bacteriological examination of samples revealed that Salmonella was recovered in 34 samples out of 250 samples (13.6%). Twelve S. Typhimurium, 8 S. Kentucky, 5 S. Newport, 2 S. Tamale, 2 S. Enteritidis, 1 S. Molade,2 S. Takoradi, 1 S. Virchow and 1 S. Inganda were isolated from broilers with percentage of (35.29%), (23.5%), (14.7%), (5.88%), (5.88%), (2.94%), (5.88%), (2.94%) and (2.94%) respectively. All tested Salmonella serovars showed positive amplification at 284 bp, 150 bp and 422 bp fragments which specific for the invAgene (common gene), hilAgene and avrA gene respectively, with total percentage (100%) from examined samples.
Keywords
Salmonella species; Salmonella virulence genes; Broilers; PCR
Main Subjects
Bacteriology, Immunology and Mycology
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