Study on contamination of sheep meat in Shahrekord area with Listeria ivanovii and determination its antibiotic resistance pattern

Study on contamination of sheep meat in Shahrekord area with Listeria ivanovii and determination its antibiotic resistance pattern

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Background and objectives: Listeria monocytogenes and Listeria Spurs ivanovii are two pathogenic species of Listeria.The role of Listeria ivanovii is important in abortion, stillbirth, septicemia in animals and this bacterium sometimes is pathogenic in humans.Contamination of ovine carcasses during the slaughter and processing can cause foodborne infections in humans.In this study we examined the contamination of sheep meat in slaughter house of Shahrekord city to Listeria ivanovii and determined its antibiotic resistance pattern.Material and Methods: A total 200 samples of sheep meat were collected from abattoir and processed by use of two enrichment method.

After doing specific biochemical tests and PCR, Listeria spp was identified and antibiotic resistance of isolated Listeria were tested by the agar disc diffusion method.Results: The contamination of sheep carcasses with listeria was 2.5% (5 out of 200 samples).All five isolates (2.5%) were recognized as Listeria ivanovii and were resistant to four antibiotics, sensitive to six antibiotics and intermediate to other antibiotics.

Conclusion: According to the contamination rate in sheep carcasses with Listeria ivanovii and the relatively high antibiotic resistance specified in this bacteria, the role of red meat NEFF T59TS5RN0 N90 92cm 5 Burners Induction Hob Touch Control Black in transmission of Listeria spp.and appropriate use of antibiotics against this bacteria should be considered.