Prevalence of Antimicrobial Resistance (AMR) <i>Salmonella</i> spp. and <i>Escherichia coli</i> Isolated from Broilers in the East Coast of Peninsular Malaysia
<i>Salmonella species</i> (spp.) and <i>Escherichia coli</i> (<i>E. coli</i>) are the most common infectious pathogens in poultry. Antimicrobials are given either as growth promoters or as treatment, thereby increasing the possibility of the emergence of antimicro...
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| Main Authors: | , , , , , , , |
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| Format: | Book |
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MDPI AG,
2021-05-01T00:00:00Z.
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| Summary: | <i>Salmonella species</i> (spp.) and <i>Escherichia coli</i> (<i>E. coli</i>) are the most common infectious pathogens in poultry. Antimicrobials are given either as growth promoters or as treatment, thereby increasing the possibility of the emergence of antimicrobial resistance (AMR). We determined the prevalence of AMR for both pathogens isolated from broiler farms in the East Coast of Peninsular Malaysia from 2018-2019. A total of 384 cloacal swabs were collected, followed by bacterial isolation, confirmation, and antimicrobial susceptibility tests. The overall prevalence of <i>Salmonella</i> spp. and <i>E. coli</i> were 6.5% and 51.8%, respectively. <i>Salmonella</i> spp. and <i>E. coli</i> displayed resistance towards the following antimicrobials: erythromycin (100% for both pathogens), chloramphenicol (76.2% and 84.5%, respectively), tetracycline (62% and 94.6%, respectively), ampicillin (47.7% and 87%, respectively), sulfamethoxazole/trimethoprim (42.9% and 83.3%, respectively), ciprofloxacin (4.8% and 23.8%, respectively), nalidixic acid (9.6% and 60.7%, respectively), streptomycin (19% and 66%, respectively), kanamycin (28.6% and 57%, respectively), cephalothin (0% and 11%, respectively), and gentamicin (0% and 20.2%, respectively). Multidrug resistance (MDR) was recorded in 82% of <i>Salmonella</i> spp. and 100% of <i>E. coli.</i> These findings demonstrate the high prevalence of AMR in both pathogens in broiler farms on the East Coast of Peninsular Malaysia. These findings could be attributed to the excessive use of antimicrobial agents by poultry farm owners. Enhanced control measures and a strong monitoring system should be urgently implemented in order to reduce the emergence of antimicrobial resistance. |
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| Item Description: | 10.3390/antibiotics10050579 2079-6382 |