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Vet Dermatol. 2016 Aug;27(4):315-e78. doi: 10.1111/vde.12324. Epub 2016 May 18.

Chronological clinical and pathological documentation of porcine ulcerative dermatitis.

Author information

1
Department of Clinical Veterinary Medicine, Clinic for Swine, Vetsuisse Faculty, University of Bern, Bremgartenstrasse 109A, 3012, Bern, Switzerland.
2
Institute of Animal Pathology, Vetsuisse Faculty, University of Bern, PO Box 8466, 3001, Bern, Switzerland.
3
DermFocus, Vetsuisse Faculty, University of Bern, PO Box 8466, 3001, Bern, Switzerland.
4
Division of Clinical Dermatology, Department of Clinical Veterinary Medicine, Vetsuisse Faculty, University of Bern, PO Box 8466, 3001, Bern, Switzerland.
5
Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, College of Veterinary Medicine, 1060 William Moore Drive, Raleigh, NC, 27607, USA.

Abstract

BACKGROUND:

Porcine ulcerative dermatitis syndrome (PUDS) is a rare disease of breeding sows with an unknown pathogenesis.

OBJECTIVE:

To describe the evolution of clinical and histopathological lesions over the course of the disease and to elucidate the pathogenesis.

ANIMAL:

A 24-month-old, pluriparous, large white sow presented during gestation with ulcerations around the teats compatible with PUDS.

METHODS AND RESULTS:

Clinical and histopathological lesions were monitored over the course of the disease (i.e. during and after the subsequent pregnancy). A clear gestation-dependent flare of the lesions was observed with partial resolution occurring postpartum. The histological pattern presented as a lymphocytic interface dermatitis.

CONCLUSIONS AND CLINICAL IMPORTANCE:

The findings in this case report link gestation with the development of clinical signs and histological changes. Multiparity appears to enhance severity and may finally result in a self-perpetuating disease. Therefore, it seems advisable to cull breeding sows after they have developed PUDS.

PMID:
27188958
DOI:
10.1111/vde.12324

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