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Cellular immunological responses of pheasant during endogenous development of Eimeria colchici.

Authors
  • Goldová, M1
  • Pistl, J
  • Letková, V
  • Csizsmárová, G
  • Revajová, V
  • Loószová, A
  • Levkut, M
  • 1 University of Veterinary Medicine, Komenský 73, 041 81 Kosice, Slovak Republic. [email protected]
Type
Published Article
Journal
Parasitology international
Publication Date
Aug 01, 2000
Volume
49
Issue
2
Pages
147–154
Identifiers
PMID: 10882904
Source
Medline
Language
English
License
Unknown

Abstract

We examined the time course and histological localisation of the developmental stages of Eimeria colchici. The prepatent period in the caeca of pheasants was 6 days. The patent period began on day 7 post-infection (p.i.) and ended on day 11 p.i. with peak production of oocysts on days 8-9. The peripheral blood lymphocytes of pheasant chicks showed a significant increase in proliferation to E. colchici antigen from day 5 p.i., with peak on day 14 p.i. The metabolic activity (respiratory burst) of heterophils increased on days 3, 4 and 14 p.i. The total number of peripheral blood leukocytes and lymphocytes in the infected pheasant chicks had increased by day 2 p.i. and reached a maximum on day 4 of the experiment. Days 5 and 6 p.i. were characterised by a drop in the number of these cells.

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