Abstract
BackgroundSalmonella species are among the most common food borne pathogens worldwide and their infection is one of the major global public health problems. During the last decade, multidrug resistant Salmonella species have greatly increased in humans and animals. So the aim of this study was to determine prevalence and antibiotic susceptibility pattern of Salmonella in apparently healthy slaughterer cattle and personnel working at the Jimma abattoir.MethodA cross-sectional study was conducted from May to September 2016 at the Jimma abattoir. A total of 440 samples consisting of carcass swabs (n = 195), cattle feces (n = 195), and human stool (n = 50) were collected. Standard isolation and identification procedures were performed to identify Salmonella isolates. Antimicrobial susceptibility tests were also carried out on each isolate.ResultsThe overall proportion of Salmonella positive isolates was 9.5% in all samples, of which 11.3% were from carcass swabs, 5.6% from cattle feces, and 18% from human stool. All isolates were resistant to tasted antibiotics except Ciprofloxacin.ConclusionThis study ascertains that Salmonella were widely distributed and significant proportions have developed resistance to routinely prescribed antibiotics. Therefore, there is needed to implement urgent intervention programs in study area.
Highlights
Salmonella species are among the most common food borne pathogens worldwide and their infection is one of the major global public health problems
The overall proportion of Salmonella positive isolates was 9.5% in all samples, of which 11.3% were from carcass swabs, 5.6% from cattle feces, and 18% from human stool
The present study showed that 40.3% of human and cattle isolates were resistance to two or more antimicrobial drugs
Summary
Salmonella species are among the most common food borne pathogens worldwide and their infection is one of the major global public health problems. Multidrug resistant Salmonella species have greatly increased in humans and animals. Diseases caused by Salmonella represent an important public health problem worldwide. It is estimated that globally 93.8 million cases and 155,000 deaths are associated with gastroenteritis due to Salmonella species annually. Evidence indicated that 85.6% were estimated to be food borne, and infection was associated with many different food types, including beef and beef products [1, 2]. In addition to concern about foodborne disease caused by Salmonella species, concern was raised about the impact of acquired antimicrobial resistance transferred among these organisms, which The process of removing the gastrointestinal tract during meat processing is regarded as one of the most important sources of contamination of carcass and organs with Salmonella at abattoirs, and the hands of abattoir employees can be the vector to spread Salmonella through cross contamination [5,6,7].
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