Original Article

Sarcocystis bovifelis in Raw Hamburgers Marketed in Hamadan City, Western Iran

Abstract

Background: We aimed to evaluate Sarcocystis contamination in conventional and industrial raw beef burger samples from butcheries and retail stores in Hamadan, western Iran.

Methods: Overall, 80 samples including 30 conventional and 50 industrial hamburgers were randomly obtained from different butcheries and supermarkets. All specimens were studied by digestion method following microscopic examination. Samples` genomic ribosomal DNA were amplified and nucleotide sequences were analyzed by BLAST for comparison with the sequences in the gene bank of the NCBI.

Results: Sarcocystis bradyzoites were detected in 46 of 80 (57.6%) samples. Positive specimens were included as 46 (57.6%) and 30 (37.5%) by digestion and molecular method, respectively. Differences between two studied (digestion and molecular) methods was statistically significant (P=0.00). Twenty-six (86.5 %) of 30 conventional beef burgers and 20 (40%) of 50 industrial burgers were positive for Sarcocystis sp. by digestion method. There was a significant difference between Sarcocystis infested conventional and industrial beef burgers (P=0.01).

Conclusion: The parasitic contamination of beef burgers implied a high level of infection in cattle. Felids as the definitive hosts for S. bovifelis urged on the improvement of the hygienic conditions of keeping and feeding livestock in order to reduce the infection. Molecular techniques confirm species in meat products with high sensitivity and distinguish it from human species.

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IssueVol 17 No 1 (2022) QRcode
SectionOriginal Article(s)
DOI https://doi.org/10.18502/ijpa.v17i1.9014
Keywords
Food microbiology Sarcocystis spp Sarcocystosis Beef burger
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How to Cite
1.
Jafari F, Motavallihaghi SM, Bakhtiari M, Maghsood AH, Foroughi-Parvar F. Sarcocystis bovifelis in Raw Hamburgers Marketed in Hamadan City, Western Iran. Iran J Parasitol. 2022;17(1):36-42.