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Pathological changes in cattle naturally infected by Calicophoron daubneyi adult flukes

Authors :
M. Carmen Ferreras
Valentín Pérez Pérez
M. Camino González-Lanza
Francisco Javier Giráldez
Miguel Fuertes
Miguel Fernández
Julio Benavides
Mercedes Mezo
Marta González-Warleta
M. Yolanda Manga-González
Junta de Castilla y León
Source :
Digital.CSIC. Repositorio Institucional del CSIC, instname
Publication Year :
2015
Publisher :
Elsevier, 2015.

Abstract

9 páginas, 4 Figuras, 1 Tabla.<br />Local host response and parasite distribution were studied in the forestomachs, abomasum, duodenum and regional lymph nodes of cattle suffering from bovine paramphistomosis. The parasites were found attached, by its ventral sucker, to small conical papillae of the rumen and reticulum. Affected papillae, showed morphological changes denoted by very narrow stalks and expanded heads. Histologically, these changes were characterized by epithelial acanthosis-hyperkeratosis of the epithelium. Infiltration of inflammatory cells was often related with the epithelial changes, although it was also found in the duodenal mucosa and submucosa. These cells were arranged as aggregates or follicles but sparse infiltration of eosinophils, globule leukocytes, mast cells or macrophages was also observed in the lamina propria. Tissue damage and inflammatory reaction were more severe in the ruminal atrium, where the largest number of flukes and affected papillae were observed. In contrast, lesions in the ruminal dorsal sac were absent or mild. Statistical correlation between lesion severity and parasite burden was confirmed.<br />This work was supported by grant LE023A10-2 from Junta de Castilla y Leon.

Details

Language :
English
Database :
OpenAIRE
Journal :
Digital.CSIC. Repositorio Institucional del CSIC, instname
Accession number :
edsair.doi.dedup.....be1079568b9623b56aac353c7d587037