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Abstract Background Toxoplasma gondii is a widely prevalent zoonotic protozoan parasite in humans and warm‐blooded animals worldwide. Infection of humans by this parasite can result in severe clinical symptoms, particularly in individuals with congenital toxoplasmosis or immunocompromised patients. Contamination mainly occurs through foodborne routes, especially the consumption of raw or undercooked meat from animals. Objectives The aim of this study was to use PCR to detect T. gondii in tissues and organs of buffaloes and cattle slaughtered at Tabriz slaughterhouse, in Iran. Methods Fifty grams of heart, thigh, diaphragm and tongue from 50 buffaloes and 100 cattle slaughtered at the Tabriz industrial slaughterhouse were selected for sampling using a combination of convenience sampling. The samples were tested using a previously published PCR method. Results Out of the 150 animal samples, T. gondii was detected in 10 (6.7%, 95%CI: 3.2–11.9), including one buffalo (2%, 95%CI: 0.1–10.6) and nine cattle (9%, 95%CI: 4.2–16.4). There was no statistically significant difference in the rate of T. gondii infection among cattle based on age and sex ( p > 0.05). Conclusions The results indicated a potential risk of T. gondii transmission to humans through the consumption of infected meat. Therefore, appropriate and effective preventive measures should be taken to limit the transmission of this parasite to humans, and the consumption of raw and undercooked meat should be discouraged.
Jabbari et al. (Fri,) studied this question.