Serologic examination of birds from the area of Southern Moravia for the presence of antibodies against arboviruses of the groups alfa, flavo, Bunyamwera supergroup, and the virus Yaba 1-Lednice 110. I. Domestic fowls.

196 geese, 141 ducks, and 100 hens from 9 localities of the South Moravian region (District of Breclav) were examined by means of the haemagglutination-inhibition test (HIT) for the presence of antibodies against 12 arbovirus antigens of the groups Alfavirus (Western Equine Encephalitis (WEE), Eastern Equine Encephalitis (EEE), Semliki, Sindbis, Chikungunya, O'nyong-nyong), Flavovirus (Tick-borne Encephalitis (TBE), Dengue and West Nile Virus (WN), Bunyamwera Supergroup (Tahna and Beta Calovo), and the Yaba 1-Lednice 110 Virus. In tested fowls antibodies were mostly found against Yaba 1-Lednice 110 Virus, namely 3.6% in geese and 17.7% in ducks. Antibodies against Calovo Virus were found in only 1 of the tested ducks. All sera of hens were negative. Antibodies against arboviruses of the Alfa-and Flavovirus groups were not detected.