EN
Analytic information on coccidia infection in sheep has been presented. The following problems are discussed: the course of clinical and subclinical coccidiosis in lambs; extensiveness and intensity of the particular Eimeria species infection; economic consequences of Eimeria sp. infection in lambs; control of coccidiosis in lambs; effectiveness of coccidiostats on the coccidia infection in lambs - jonophorous preparation and Baycox. Detailed information is given on the anticoccidial activity of Baycox (Bayer), which belongs to the new generation of coccidiostats.