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Sarcocystosis in Ruminants of Iran, as Neglected Food-Borne Disease: A Systematic Review and Meta-analysis



Sarcocystis is a zoonotic parasitic pathogen which endangers the safety of meat and meat products. This systematic review and meta-analysis aimed to evaluate the prevalence rate and status of Sarcocystis spp. in ruminants as important food sources in Iran.


Data were collected from papers indexed in five English language electronic databases (PubMed, Scopus, Web of Science, Science Direct, and Google Scholar) and four Persian electronic databases (IranMedex, SID, IranDoc, and Magiran) from January to April 2019. Papers were selected based on inclusion criteria. Data analysis was performed in StatsDirect statistical software, version 2.7.2.


The searching process resulted in the identification of 73 studies. Data analyses revealed that the total prevalence (95% confidence intervals) of Sarcocystis spp. in Iranian ruminants was 74.40% (64.01–83.56). In addition, a significant association was also observed between sarcocystosis infection in Iranian ruminants and year, host, location, and diagnostic technique (P < 0.001).


According to our data, the prevalence of Sarcocystis infection in ruminants is relatively high. High pathogenicity of some Sarcocystis spp. and the negative impact that the spread of some parasites among ruminants can have on human and animal health necessitate the direction of more attention toward monitoring, controlling, and preventing sarcocystosis.

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The authors thank all colleagues working in Parasitology Department at Mazandaran University of Medical Sciences, Sari, Iran.

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DA, SG, AD, SS, AS, and SAH conceived and designed the study, and SAH and AD critically revised the manuscript. DA, EN, MH, MRN, DS, RS, SAS, and ASP searched the literature; DA, EN, and MRN extracted the data. DA wrote the manuscript and performed the statistical analysis. SAS designed figures. All authors have read and approved the final manuscript.

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Correspondence to Seyed Abdollah Hosseini or Abolghasem Siyadatpanah.

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Anvari, D., Narouei, E., Hosseini, M. et al. Sarcocystosis in Ruminants of Iran, as Neglected Food-Borne Disease: A Systematic Review and Meta-analysis. Acta Parasit. 65, 555–568 (2020).

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  • Sarcocystis spp.
  • Sarcocystosis
  • Ruminant
  • Iran
  • Systematic review and meta-analysis