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A Redescription of the Life Cycle of Eimeria mitis Tyzzer, 1929
Author(s) -
NOVILLA M. N.,
JEFFERS T. K.,
GRIFFING W. J.,
WHITE S. L.
Publication year - 1987
Publication title -
the journal of protozoology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 0022-3921
DOI - 10.1111/j.1550-7408.1987.tb03139.x
Subject(s) - ileum , parasite hosting , biology , cloaca , eimeria , inoculation , jejunum , microbiology and biotechnology , pathology , anatomy , immunology , medicine , world wide web , computer science , endocrinology
Ten‐day‐old broiler chickens were inoculated with oocysts of a characterized strain of Eimeria mitis , and tissues were fixed at 4, 8, or 24‐h intervals after inoculation for histopathological examination. Tissue collections were initiated at the time of inoculation and extended up to 168 h postinoculation. The preferred site of development of E. mitis was found to be the ileum although more limited development of the parasite also took in the jejunum, cecal pouches, cloaca, and bursa of Fabricius. No distinctive and consistent intestinal lesions were macroscopically evident even in heavily parasitized chickens. The prepatent period was approximately 92 h postinoculation. The histopathological features of the E. mitis infections were characterized using conventional bright‐field microscopy as well as both scanning and transmission electron microscopy. No extra‐intestinal development of the parasite was observed.