Coccidiosis in poultry: Review on diagnosis, control, prevention and interaction with overall gut health

Coccidiosis in poultry is still considered as one of the main diseases affecting performance of poultry reared under intensive production systems. Although a lot of research efforts have been allocated towards molecular techniques, and a lot of progress has been noted in this field, practical use of these techniques are not available today, except in the field of diagnostics, where several polymerase chain reaction (PCR) tests for chicken Eimeria spp. are available today albeit not yet commonly used. On the other hand, with currently available diagnostic methods such as oocyst counts and lesion scoring, an interpretation of the impact of (subclinical) coccidiosis is not easy.