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Home▶ Journals▶ Indian Journal of Veterinary Sciences and Biotechnology▶Archive▶Vol. 21 No. 6 (2025)▶Antimicrobial Resistance Profiles of Bacterial Isolates…
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Research Article

Antimicrobial Resistance Profiles of Bacterial Isolates from  Clinical Cases in Livestock and Poultry

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Jayesh Dhoral — Department of Veterinary Microbiology, College of Veterinary and Animal Science, Navania, Udaipur-313001, RAJUVAS, Rajasthan, India
Sudeep Solanki — Assistant Professor, Department of Veterinary Microbiology, College of Veterinary and Animal Science, Navania, Udaipur-313001, RAJUVAS, Rajasthan, India.
Deepak Sharma — Department of Veterinary Microbiology, College of Veterinary and Animal Science, Navania, Udaipur-313001, RAJUVAS, Rajasthan, India
Rajesh Singathia — Department of Veterinary Microbiology, College of Veterinary and Animal Science, Navania, Udaipur-313001, RAJUVAS, Rajasthan, India
Abhishek Gaurav — Department of Veterinary Public Health, College of Veterinary and Animal Science, Navania, Udaipur-313001, RAJUVAS, Rajasthan, India
Published 12 Nov 2025 Vol. 21 No. 6 (2025), pp. 153-157 ● Open access
❝ How to cite 🔗 https://doi.org/10.48165/ijvsbt.21.6.28
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Abstract

This study investigated the antimicrobial resistance profiles of bacterial isolates from clinical cases in ruminants (n=163) and poultry  (n=64). In ruminants, Staphylococcus aureus exhibited the highest resistance to penicillin-G (85.45%), tetracycline, and polymyxin-B  (80% each). Streptococcus spp. showed the greatest resistance to polymyxin-B (100%) and methicillin (86.67%). E. coli isolates displayed  maximum resistance to penicillin-G, cephalothin, methicillin, and vancomycin (100% each), while Salmonella isolates were resistant to  methicillin (100%), vancomycin (85.71%), and polymyxin-B (85.71%). All Corynebacterium spp. were fully resistant to nitrofurantoin, and  all Pseudomonas isolates were resistant to ampicillin, nitrofurantoin, penicillin-G, methicillin, tetracycline, and vancomycin. In poultry, E.  coli exhibited complete resistance to nitrofurantoin, vancomycin, penicillin-G, methicillin, and cephalothin, followed by tetracycline (88%),  co-trimazole (88%), polymyxin-B (84%), and ampicillin (80%). Salmonella isolates were resistant to methicillin (100%), vancomycin (80%),  polymixin-B (80%), and ampicillin and co-trimoxazole (73.33%). Proteus mirabilis exhibited high resistance to penicillin-G, methicillin,  tetracycline, nitrofurantoin, vancomycin, and cephalothin (100% each), followed by co-trimazole (91.67%) and polymyxin-B (88.33%).  Klebsiella isolates showed over 90% resistance to penicillin-G, polymyxin-B, vancomycin, methicillin, cephalothin, and ampicillin.  Antimicrobials penicillin-G, methicillin, tetracycline, co-trimoxazole, ampicillin, vancomycin, and amoxicillin-clavulanic acid exhibited  100% high resistance in Pseudomonas isolates. The least resistance was observed in all isolates to gentamicin, ciprofloxacin, ofloxacin,  chloramphenicol, amoxicillin-clavulanic acid, and azithromycin. 

 

KeywordsAntimicrobial resistanceLivestockMultidrugPoultryPrevalenceUdaipur

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