Evaluation of antibiotic resistance patterns and the presence of spvR virulence gene in salmonella isolated from the liver and ovary of industrial layer farms in East Azarbaijan province

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ALLAHYARI A.; NIKPIRAN H.; ANZABI Y.

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Journal: VETERINARY CLINICAL PATHOLOGY (VETERINARY JOURNAL TABRIZ) Year:2020 | Volume:14 | Issue:1 (53) Page(s): 51-59

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Title

Evaluation of antibiotic resistance patterns and the presence of spvR virulence gene in salmonella isolated from the liver and ovary of industrial layer farms in East Azarbaijan province

Author(s)

ALLAHYARI A. | NIKPIRAN H. | ANZABI Y. | Issue Writer Certificate

Keywords

SalmonellaQ2

LayersQ2

spvR geneQ1

Antibiotic resistanceQ1

East AzarbaijanQ2

Abstract

Infection with Salmonella bacteria causes chronic and acute diseases in poultry that can cause significant economic losses to the poultry industry. SThe aim of the current study was to evaluate Antibiotic resistance in Salmonella infected layer flocks of East Azarbaijan province and to determine the presence of spvR virulence gene in isolated samples. A total of 200 liver and ovary samples were taken from 45 Salmonella suspected flocks and cultured in selective and differential growth medium of Salmonella. Antibiogram test to determine antibiotic sensitivity was done following isolation of bacteria. PCR was used to determine the presence of spvR gene with specific primers. The results indicated all isolates were resistant to Erythromycin, Tetracycline, and Trimethoprim-Sulphamethoxazole, and the highest Antibiotic resistance was against Doxycycline 94. 3%, Danofloxacin 92. 6% and Florfenicol 91. 7%. Also, the highest sensitivity was against Fosfomycin 94. 7%, and Enrofloxacin 74. 2%. Results of molecular tests indicated that the spvR gene was present in the majority of layer flocks of East Azarbaijan province (in 88. 46% of isolated Salmonella). According to the results, it is necessary to prevent the spread of Salmonella contamination amongst the laying hens in order to improve the poultry industry and the health of human communities.

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APA: Copy

ALLAHYARI, A., NIKPIRAN, H., & ANZABI, Y.. (2020). Evaluation of antibiotic resistance patterns and the presence of spvR virulence gene in salmonella isolated from the liver and ovary of industrial layer farms in East Azarbaijan province. VETERINARY CLINICAL PATHOLOGY (VETERINARY JOURNAL TABRIZ), 14(1 (53) ), 51-59. SID. https://sid.ir/paper/409428/en

Vancouver: Copy

ALLAHYARI A., NIKPIRAN H., ANZABI Y.. Evaluation of antibiotic resistance patterns and the presence of spvR virulence gene in salmonella isolated from the liver and ovary of industrial layer farms in East Azarbaijan province. VETERINARY CLINICAL PATHOLOGY (VETERINARY JOURNAL TABRIZ)[Internet]. 2020;14(1 (53) ):51-59. Available from: https://sid.ir/paper/409428/en

IEEE: Copy

A. ALLAHYARI, H. NIKPIRAN, and Y. ANZABI, “Evaluation of antibiotic resistance patterns and the presence of spvR virulence gene in salmonella isolated from the liver and ovary of industrial layer farms in East Azarbaijan province,” VETERINARY CLINICAL PATHOLOGY (VETERINARY JOURNAL TABRIZ), vol. 14, no. 1 (53) , pp. 51–59, 2020, [Online]. Available: https://sid.ir/paper/409428/en

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