PJB-2020-462
Determination of antibacterial potential of Medicago denticulata aqueous extract against bacteria isolated from poultry litter
Saeed Ahmad
Abstract
The current study was aimed to determine the antibacterial potential Medicago denticulata against bacterial stains isolated from poultry litter. The isolated bacteria included Pseudomonas, Klebsiella pneumoniae, Klebsiella oxytoca, Serratia liquefaciens and Serratia fonticola, Campylobacter and Vibrio species, and Lactobacilli. Among the Lactobacilli species, L. fermentii represented high resistance to Cephalosporins (Cefpodoxime 100%, Cephradine 100%, Cefaclor 100%). Campylobacter and Pseudomonas spp. showed 100 % resistant to Amoxicillin, and Cefpodoxime, 90 % to Cephradine and Cefaclor, while there was 75 % resistance to Cefepime. Campylobacter and Pseudomonas spp. were 65 and 70 % resistannt to Gentamicin. The MAR index for Campylobacter and Pseudomonas spp. was 0.55 while for L. fermentii, it was 0.44. Different concentrations of the aqueous extract of the plant were implanted against the resistant bacteria and there was potent antibacterial activity of the plant extract against tested bacteria. It can be concluded that Medicago denticulata has the potential to inhibit/kill the multi drug resistant bacteria. Active components of this plant may be isolated and should be used against various bacteria to further confirm the antibacterial potency of the plant.
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