ANATOMIC-PATHOLOGICAL STUDY OF DIGITAL DERMATITIS WOUNDS IN CATTLE

Authors

  • Glauciane Ribeiro Castro
  • Luiz Augusto Batista Brito
  • Maria Clorinda Soares Fioravanti
  • Luiz Antonio Franco da Silva EV/UFG
  • Eugênio Gonçalves Araújo
  • Camila França de Paula Orlando
  • Leandro Guimarães Franco
  • Maria Ivete Moura

DOI:

https://doi.org/10.5216/cab.v9i4.2726

Keywords:

vacas, enfermidades digitais, erosiva, proliferativa, histopatologia.

Abstract

This essay had the scope of characterizing anatomic-pathological aspects of digital dermatitis wounds in distinct development phases. The essay was carried out from August 2004 and November 2005, using 40 cows distributed in four groups of ten animals each. Group I (GI) consisted of clinically healthy animals, and groups II (GII), III (GIII) and IV (GIV), consisted of animals bearing wounds in initial, erosive and proliferative phases, respectively. In GII histological observations were corneal stratus’ thickening, necrosis, hiperplasia, acanthosis, espongiosis and hyperqueratosis. In GIII it was observed hyperemia, ulcers, granulation tissue, hemorrhage and, microscopically, corneal layer thickening, paraqueratosis and multifocal necrosis. In GIV lesions of verrucous aspect, presence of fur, papillary projections were observed macroscopically, and, at histological examination, destruction of corneal layer and epidermis along with necrosis in all samples from the group.  Concerning the microbiota, fungi were not observed in any group. As for bacteria, mixed flora was observed, especially spirochetes, in GII, GIII e GIV. Finally, it was concluded that histological alterations in distinct phases of digital dermatitis may commonly be present, differing in terms of severity. The presence of spiral microorganisms suggests their association with etiopathogenesis.

KEY WORDS: Cattle, digital lesions erosives and proliferatives, histopathology.

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Published

2008-12-21

How to Cite

CASTRO, G. R.; BRITO, L. A. B.; FIORAVANTI, M. C. S.; SILVA, L. A. F. da; ARAÚJO, E. G.; ORLANDO, C. F. de P.; FRANCO, L. G.; MOURA, M. I. ANATOMIC-PATHOLOGICAL STUDY OF DIGITAL DERMATITIS WOUNDS IN CATTLE. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 9, n. 4, p. 1159–1166, 2008. DOI: 10.5216/cab.v9i4.2726. Disponível em: https://revistas.ufg.br/vet/article/view/2726. Acesso em: 8 jul. 2024.

Issue

Section

Veterinary Medicine