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Carriage Methicillin-Resistant Staphylococcus aureus in Poultry and Cattle in Northern Algeria

Saliha Bounar-Kechih1, Mossadak Taha Hamdi2, Hebib Aggad3

  • 1Regional Veterinary Laboratory of Draa-Ben-Khedda, Tizi-Ouzou, Algeria.

Veterinary Medicine International
|July 21, 2018
PubMed

Insights

Methicillin-Resistant Staphylococcus aureus (MRSA) is a significant public health concern. This study identified high rates of MRSA and multidrug resistance in poultry and bovine samples in Algeria, highlighting potential risks to human health.

Area of Science:

  • Veterinary Microbiology
  • Public Health
  • Antimicrobial Resistance

Background:

  • Methicillin-Resistant Staphylococcus aureus (MRSA) presents a critical global health challenge, necessitating rapid identification and characterization of antibiotic resistance.
  • The increasing prevalence of antimicrobial resistance in food-producing animals raises concerns about potential zoonotic transmission and impacts on human health.

Purpose of the Study:

  • To determine the prevalence and antibiotic resistance patterns of Staphylococcus aureus, with a focus on MRSA, in poultry and bovine populations in northern Algeria.
  • To assess the multidrug resistance profiles of MRSA strains isolated from these animal sources.

Main Methods:

  • Collection and analysis of 8,840 samples (poultry and bovine) from slaughterhouses in northern Algeria between 2009 and 2014.
  • Bacteriological isolation and identification using classical culture methods.
  • Antibiotic resistance profiling via the disc diffusion test.

Main Results:

  • Staphylococcus aureus prevalence was 42% in laying hens, 12% in broilers, and 55% in bovine samples.
  • MRSA prevalence was notably high: 57% in laying hens, 50% in broilers, and 31% in bovine samples.
  • MRSA strains from poultry exhibited cross-resistance to multiple antibiotic classes (aminoglycosides, fluoroquinolones, macrolides, sulphonamides, cyclins), while bovine strains showed similar resistance except for sulphonamides.

Conclusions:

  • High percentages of methicillin resistance and multidrug resistance were observed in S. aureus from poultry and bovine sources in Algeria.
  • The findings underscore the potential public health implications of MRSA in food-producing animals, particularly concerning human infections.
  • Urgent identification and characterization of antibiotic resistance in animal-derived S. aureus are crucial for mitigating risks to human health.

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