VACCINATING DOMESTIC BIRDS AGAINST COCCIDIOSIS BY IN OVO ADMINISTRATION OF LIVE EIMERIA SPOROZOITES AND/OR MEROZOITES

摘要

The invention relates to a method of vaccinating a domesticated bird against coccidiosis comprising administering in ovo an effective immnunizing dose of live Eimeria sporozoites or merozoites, or a mixture thereof. In a preferred embodiment, the domesticated bird that is vaccinated is a chicken or turkey.