Распространение кокцидиозов норок в центральной зоне России

The rates of Isospora infection in mink youngsters aged 1-3 and 3-6 months as well as in adult animals appeared to be 16,2; 12,7 and 11,5% respectively; the same indices for Eimeria infection were 3; 13,6 and 15,3% in the Moscow Region. The rates of infections in conditions of the Tverskaya Region ranged 7,4 to 9,1%.