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Gastritis in Sows Due to Hyostrongylus Ruridus–In One Case Associated with Balantidium Coli
Acta Veterinaria Scandinavica volume 8, pages 347–359 (1967)
Abstract
Three cases of gastritis in sows due to the stomach worm Hyostrongylus rubidus are described. This disease has not previously been reported from the Scandinavian countries.
Diffuse gastritis and extreme emaciation were the essential findings at necropsy in all 3 cases.
In 2 animals the gastric changes consisted of diffuse nodular hyperplasia of the mucosa. In the third case similar hyperplastic changes were present, but these were largely obscured by a superimposed extensive diphtheresis of the mucosa.
The gastric changes in cases of hyostrongylosis reported in the literature and the conceptions regarding their pathogenesis are reviewed and discussed.
In the sow with diphtheroid gastritis large numbers of Balantidium coli, in addition to H. rubidus, were present in the altered stomach mucosa. It is assumed that the gastritis due to H. rubidus has resulted in gastric hypochlorhydria thus creating an environment of sufficiently low acidity for ingested Balantidium spp. to live and multiply. Whether this parasite has participated in the development of the gastric diphtheresis is impossible to ascertain.
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Acknowledgments
The author’s thanks are due to the Department of Hygiene and Bacteriology, Royal Veterinary and Agricultural College, for carrying out the bacteriological examination of material from case 2 and to amanuensis, cand. mag. J. A. Guildal, of the same department, for the final identification of the parasites found in cases 2 and 3.
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Larsen, S. Gastritis in Sows Due to Hyostrongylus Ruridus–In One Case Associated with Balantidium Coli. Acta Vet Scand 8, 347–359 (1967). https://doi.org/10.1186/BF03547821
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DOI: https://doi.org/10.1186/BF03547821