Evaluation of Escherichia Coli as a Microbial Tool in Residue Monitoring of Enrofloxacin in Milk
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Date
2020-06
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Abstract
Antimicrobials are used in dairy cattle to treat disease and to improve feed efficiency.
The widespread use of antimicrobials has created potential residue problems in dairy
products. The problems associated with the antimicrobial residues in milk includes the
risk of allergic reactions after consumption and transfer of antimicrobial resistant
bacteria from livestock to human through contaminated food products. This study
aims to monitor Enrofloxacin antimicrobial drug residue in milk by a simple microbial
screening method. Two hundred milk samples comprising of 100 cow and 100 buffalo
milk were collected from organized dairy farms. Milk samples were extracted for the
antibiotic Enrofloxacin and were examined for the presence of Enrofloxacin antibiotic
residues by microbial tube test method using the indicator organism Escherichia coli.
The results of this study revealed 5 positive buffalo milk samples (5%) for
enrofloxacin antimicrobial drug residues. This study explains that microbial screening
method has a unique advantage of a high-throughput, economical and simple tool that
can be used to screen the existence of antibiotic residues in foods of animal origin.
Description
TNV_IJCMAS_2020_9(6)2483-2490
Keywords
Veterinary Science