Extract of neem (Azadirachta indica) leaf exhibits bactericidal effect against multidrug resistant pathogenic bacteria of poultry

Extract of neem (Azadirachta indica) leaf exhibits bactericidal effect against multidrug resistant pathogenic bacteria of poultry

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Abstract The aim of the study was to determine the efficacy of neem leaf extract against multidrug resistant (MDR) pathogenic bacteria.Laboratory stock culture of Pasteurella multocida, Salmonella pullorum, Salmonella gallinarum and Escherichia coli was revived.Antibiogram profiles of these bacteria were determined by disc diffusion method.Ethanolic extract of neem leaf was prepared.The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of ultimate warrior hat neem leaf extract (112.

5, 100, 50, 25, 12.5, 6.25 and 3.12 mg/ml) against MDR pathogenic bacteria of poultry were determined by double dilution method.The MIC and MBC of the neem leaf 310.32.42.50.01.001 extract were 12.

5 and 25 mg/ml, respectively for P.multocida, 50 and 100 mg/ml for S.pullorum and S.gallinarum, 100 and 112.5 mg/ml for E.

coli.Neem leaf extracts exhibited bactericidal effect against MDR pathogenic bacteria of poultry.