PCR identification of chicken Eimeria: A simplified read-out

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Abstract
A polymerase chain reaction (PCR) assay, based on the amplification of internal transcribed spacer 1 (ITS1) regions of ribosomal DNA, was developed for the chicken coccidian species Eimeria maxima , E. mitis and E. praecox. Thus, taking into account our previous work, a complete set of ITS1-based, species-specific primers for the detection and discrimination of all seven Eimeria species that infect the domestic fowl is now available. ITS1 primers for each of these seven species of Eimeria were also used as capture probes in a paper chromatography assay (PACHA). The addition of PACHA to the PCR assay provided a faster, more simplified read-out compared to staining of amplified bands in an agarose gel with ethidium bromide.