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Intestinal permeability in piglets during transmissible gastroenteritis



Intestinal permeability in piglets during transmissible gastroenteritis



Journal of Veterinary Medicine Series A 38(3): 157-164



Macromolecular permeability of the small intestine was tested in seven three-week old piglets infected with transmissible gastroenteritis virus (TGE-strain Miller). Fourteen hours after the infection, the piglets showed loss of appetite and a profuse diarrhoea. In some animals vomiting occurred somewhat earlier. Macromolecular permeability was tested morphologically by injecting horseradish peroxidae (MW = 40,000 Da) into the jejunal lumen just distally to the Trietz' ligament in two piglets at 12 hours and in five piglets at 48 hours after the inoculation in comparison with two control piglets. After a period of 20 minutes, small segments of jejunum were taken for stereomicroscopical, histological and ultrastructural investigations. An increased permeability for HRP together with a severe, hyper-regenerative villous atrophy was observed in the TGE-infected piglets at 48 hours after the inoculation.

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Accession: 002143141

Download citation: RISBibTeXText

PMID: 1830439

DOI: 10.1111/j.1439-0442.1991.tb00997.x


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