Antimicrobial Susceptibility Pattern of S. aureus Isolated from Sheep and Goat Carcasses

Abstract

Background: Staphylococcus aureus is a leading cause of food poisoning resulting from the consumption of contaminated food with staphylococcal enterotoxins. Raw meat is a good medium for the survival and spread of drug-resistant S. aureus. Objective: To look for the prevalence of drug-resistant S. aureus in Addis Ababa abattoir enterprise. Material & Methods: A cross-sectional study was conducted from November 2013 to April 2014 in Addis Ababa abattoir enterprise. A total of 185 swab samples were collected from the carcasses of sheep, goat and slaughtering materials such as workers’ clothes, vehicles, knives and hands. Isolation and identification of S. aureus were conducted using the conventional culture methods and signatory tests. Antimicrobial sensitivity was conducted using standard methods. Results: The overall prevalence rate for S. aureus in the present study was 33%. The higher prevalence rates of S. aureus were recorded from sheep carcasses 36%, followed by 30% from the environment and 16% from goat carcasses. The variation in the prevalence of S. aureus between the carcasses and environment was not statically significant (p > 0.05). More than 90% of S. aureus strains were sensitive to vancomycin, chloramphenicol, gentamicin and kanamycin. While 86.9% S. aureus strains were resistant to penicillin G 80.3% resistant to ampicillin, 63.9% resistant to ceftriaxone, 62.3% resistant to oxacilin, and 62.3% resistant to cefoxitin respectively. Conclusion: The present study indicated that the quality of slaughtered sheep carcasses was more contaminated by S. aureus as compared to goat carcasses, during slaughtering, processing, handling and transportation. The presence of MDR strain in the carcasses demonstrates that there is a growing need to control antimicrobial resistance in sheep and goat carcasses.

Identification and Molecular Characterization of Antibiotics Resistance Staphylococcus species from of the Nasal Cavity of Goats in Adama, Ethiopia

“…From the recent study, we noted that chloramphenicol, streptomycin and vancomycin were effective against Staphylococcus species. However, kanamycin is found to be moderately effective against to Staphylococcus species that isolated from the NCGs which is in agreement with the nding of Tefera et al (2019). In this study, Staphylococcus species are found to be 100% susceptible against chloramphenicol and vancomycin.…”

Bacteriological quality and antimicrobial susceptibility profiles of isolates of ready-to-eat raw minced meat from hotels and restaurants in Arba Minch, Ethiopia

“…The percentage of MDR isolates of Campylobacter spp., found in the present study (56.7%) was higher than that previously reported from other regions of Ethiopia (20% and 14.5%) [41,64], but was much lower than what resulted from a couple of studies done in Brazil (62.8%) [65] and Korea (93.4%) [55]. In the case of S. aureus, 59.8% were MDR and this was much higher than that observed in a previous study reported from Addis Ababa, Ethiopia (34.4%) [66]. Multidrug resistance shown by MRSA is currently considered a global threat by WHO.…”

“…In the case of S . aureus , 59.8% were MDR and this was much higher than that observed in a previous study reported from Addis Ababa, Ethiopia (34.4%) [ 66 ]. Multidrug resistance shown by MRSA is currently considered a global threat by WHO.…”

Prevalence and biofilm-formation ability of Staphylococcus aureus isolated from livestock, carcasses, the environment, and workers of three abattoirs in Greece

“…O'Sullivan et al (2011) reported a3.5% isolation frequency of S. aureus from the tonsils of pig carcasses in Canada. A higher isolation frequency (33.7%) was reported in pig carcasses at Ethiopia (Tefera et al, 2019), whereas a much lower isolation frequency (2.8%) was reported at Nigeria for the same specimen type (Okorie-Kanu et al, 2020). Although relatively limited data are available on the prevalence of S. aureus in healthy cows' nasal cavities, our estimates are higher (7.5%) than those reported in other recent studies from Greece (0.0%; Drougka et al, 2019) and Spain (1.4%; Mama et al, 2019).…”