Disproportionate head
Head has grown much larger in proportion to body than normal.
Several different Sporozoans of the phylum Apicomplexa. Each spore contains 4 sporocysts. Usually infects the intestines and liver.
Generally, outlook is not good. Tests with different substances have given inconclusive results, so success is far from certain.
DNA barcoding identifies Eimeria species and
contributes to the phylogenetics of coccidian parasites ( Emeriorina,
Apicomplexa, Alveolata).