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Prevalence of Antibiotic Resistant Genes in Staphylococcus aureus Isolated from Bovine Mastitis

Prevalence of Antibiotic Resistant Genes in Staphylococcus aureus Isolated from Bovine Mastitis

Sher Bahadar Khan1,*, Mumtaz Ali Khan2, Irshad Ahmad3, Faheem Ahmad Khan4, Hamayun Khan1 and Sher Ali Khan5

1Department of Animal Health, The University of Agriculture, Peshawar, Pakistan
2Department of Livestock and Dairy Development, Govt. of Khyber Pakhtunkhwa, Peshawar, Pakistan
3Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
4The Centre for Biomedical Research, Key Laboratory of Organ Transplantation, Ministry of Education, Ministry of Health, Tongi Medical College, Huazhong University of Science and Technology, China
5Sericulture Agrifood Research Institute, Guangdong Academy of Agricultural Sciences, China
 
* Corresponding author: sbvetdr@yahoo.com

ABSTRACT

A total of 280 Staph. aureus strains from a total of 1250 milk samples from buffaloes were tested for 15 antibiotics using disc diffusion method followed by detection of their respective antimicrobial resistant genes through PCR. Among them, the highest prevalence of Staph. aureus was found in Peshawar-Mardan division (30%), followed by Malakand (28.5%), Bannu-Dera Ismail khan division (25%) and Hazara division (16%). Over all the high resistance was found against Lin (96.25%) followed by AMX (82.5%), TET (63.75%), AMP (58.75%), SXT (50%), CHL (48.7%), CLR (36.25%), STR (25%), GEN (17.5%), OFX (15%), LFX (12.5%), AZM (8.75%) while least resistance against GAT (3.375%) and CRO (6.25%). Over all the highest prevalent gene was blaTEM (179) followed by tetA (147), tetB (144), blaCMY-2 (142), sul1 (139), sul3 (137), tetC (130), aadA (121), sul2 (118), strA/strB (117) while the least resistant gene was aaddB (12) and aac(3)IV (16).

 

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Pakistan Journal of Zoology

October

Vol. 54, Iss. 5, Pages 2003-2500

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