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Oesophagostomum dentatum
Knudeorm (The porcine nodular worm)
Strongyle nematodes in the large intestine of pigs: | Superfamily: Strongyloidea | Family: Strongylidae | Subfamily: Oesophagostominae
Adults (length: 1-1.5 cm). Whitish strongyles. Male posterior end with a bursa and two spicules. The female is larger than the male, its coiling uterus full of eggs, and the posterior end is pointed.
Intestinal wall with nodular worm larvae. Nodular thickenings, 2-5 mm wide, each containing a developing larva. Non-migratory, local larval development.
 
       
Hosts: Pigs.
Location: Caecum, colon.
Photo: Jesper Monrad & Christina Thoisen
© Department of Veterinary Disease Biology 2011
Faculty of Health and Medical Sciences - University of Copenhagen
Denmark