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On Pseudorabies in Carnivores in Denmark

Aujeszky’s sygdom hos kødædere i Danmark I. Røde ræve (Valpes valpes)

I. The Red Fox (Vulpes Vulpes)

Acta Veterinaria Scandinavica volume 12, pages 274–284 (1971)Cite this article

Abstract

From January 1968 through February 1970 Pseudorabies was demonstrated in 12 red foxes (Vulpes vulpes) from different parts of Denmark. Eleven of them were free-living, while one had been kept in captivity.

In nine foxes signs of intense local pruritus were found. Two of the remaining three foxes, which did not show such signs, had been killed in an acute phase of disease, while the last one had been found dead.

The finding of remains of pigs in the digestive tract in some of the foxes, and the demonstration of Pseudorabies in piglets on a nearby farm in several cases, indicated that the foxes had caught the infection by eating dead piglets. The fox that had been kept in captivity had been fed with dead piglets which had shown signs of pseudorabies.

The medulla oblongata and pons of these foxes were found to be the most suitable material for demonstration of psudorabies virus.

Sammendrag

Fra januar 1968 til marts 1970 er Aujeszkys sygdom ved virus-isolation blevet påvist hos 12 røde ræve (Vulpes vulpes) fra forskellige egne af Danmark. Af disse var 11 vildt-levende, medens een levede i fangenskah.

Hos ni ræve fandtes tegn på intens lokal hudkløe. Af de resterende tre, som ikke viste tegn på kløe, var de to aflivede, medens een var fundet som død.

Fund af ufordøjede rester af grise i tarmkanalen hos flere af rævene og i flere tilfælde dødsfald hos smågrise på grund af Aujeszkys sygdom på en nærved liggende ejendom antyder, at rævene er blevet inficerede ved at æde sådanne døde grise. Ræven i fangenskab var blevet fodret direkte med døde pattegrise, som havde udvist symptomer på sygdommen.

Det er fundet, at medulla oblongata og pons hos disse ræve var det bedste materiale til diagnostisk påvisning af Aujeszky-virus.

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Authors and Affiliations

  1. State Veterinary Serum Laboratory, Copenhagen, Denmark

    V. Bitsch & Bente Munch

  2. Department of Virology, USA

    V. Bitsch

  3. Department of Game Diseases, USA

    Bente Munch

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  1. V. Bitsch
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  2. Bente Munch
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Bitsch, V., Munch, B. On Pseudorabies in Carnivores in Denmark. Acta Vet Scand 12, 274–284 (1971). https://doi.org/10.1186/BF03547758

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Acta Veterinaria Scandinavica

ISSN: 1751-0147