Toxoplasmosis was diagnosed in two goat herds in the Czech Republic. The 1996 outbreak in the herd of Angora goats was associated with abortions and births of weak kids. No apparent signs of toxoplasmosis were observed in the herd of White Short-Haired (WSH) goats reared under similar conditions. Seroprevalences of 60% and 66% tested by complement fixation and indirect fluorescent antibody tests, respectively, were found in the herd of Angora goats during the outbreak of clinical toxoplasmosis. Significantly lower values were recorded in this herd in years 1994 and 1997 and in the herd of WSH goats between years 1994-1996. Iodine deficiency was also demonstrated in the herd of Angora goats in 1996. Goitre was detected by clinical examination in 39% of animals and mean urinary iodine concentration was 8.0+/-4.65 microg per 11. This concentration rose significantly to 15.7+/-5.02 microg per 11 in the subsequent year. Effects of iodine deficiency on clinical manifestation of toxoplasmosis in Angora goats were discussed.

Faculty of Veterinary Medicine University of Veterinary and Pharmaceutical Sciences Brno Czech Republic

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