Research Article

**Isolation of Toxoplasma gondii from Horse Meat in Egypt**

Portions of heart, liver, skeletal and diaphragmatic muscles obtained from 150 slaughtered horses at Giza-Zoo abattoir were used for bioassays in mice and cats. T. gondii tachyzoites were isolated successfully from the peritoneal exudates of the inoculated mice 6-8 days post inoculation with pooled horse tissues. Whereas, T. gondii tissue cysts containing bradyzoites were detected in the impression smears of mice brain on the 45th days or more post infection. The oocysts were detected in feces of cats 3-6 days post feeding on horse tissues containing tissue cysts. The oocysts became sporulated within 3-5 days in 2.5% Potassium dichromate. A total of 79 out of 150 horse meat samples were found to be infected with an incidence rate of 52.6 %. This is the first trial for isolation of T. gondii infective stages from horses in Egypt. Moreover, this study pointed out to the high infection rate of T. gondii in horse meat which may be considered as an important source of infection to wild zoo-animals in Egypt and humans in some countries if consumed raw or insufficiently cooked.

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R.M. Shaapan and A.A. Ghazy, 2007. Isolation of Toxoplasma gondii from Horse Meat in Egypt. Pakistan Journal of Biological Sciences, 10: 174-177.

DOI: 10.3923/pjbs.2007.174.177

URL: https://scialert.net/abstract/?doi=pjbs.2007.174.177

Pakistan Journal of Biological Sciences

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R.M. Shaapan

A.A. Ghazy

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Research Article

**Isolation of Toxoplasma gondii from Horse Meat in Egypt**

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