Özet:

This research was conducted to explore the pathological changes produced from the infection with oocyst of Toxoplasma gondii isolated from infected cats in broiler chicken. The research showed histopathological lesions in liver, intestine, spleen, brain and lungs. Histopathological examinations of liver revealed perivascular tachyzote cuffing and localization of tissue cyst in hepatocyte, and intestine showed hyperplasia with presence of tachyzoite in epithelial lining of villi and submucosal glands, while in spleen localization of tissue cyst in arteriosclerosis have been seen, moreover, in brain there was parasitemia associated with penetration of tachyzoite in red blood cells have been seen and in the lung, showed proliferation of tachyzoite in epithelial lining alveoli associated with infiltration of mononuclear inflammatory cells.

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