Serum antibodies to T. gondii have been found in horses and donkeys in many surveys worldwide (Table 10.1). Tassi1266 reviewed in detail the current status of toxoplasmosis in horses. Ghazy et al.586 reported that of 420 sera from horses in Egypt tested by different techniques, 40.5% were positive by IFA (1:64), 48.1% were positive by MAT (1:25), and 37.1% were positive by ELISA.

10.1.2 Clinical Infections