Gangraenás borgyulladás brojlercsirkékben

Translated title of the contribution: Gangrenous dermatitis in broiler chickens

Ivanics Éva, Glávits Róbert, Repkényi Zoltán, Édes Istvánné

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Abstract

Gangrenous dermatitis was observed in two flocks with 6000 and 9000 broilers. The diseases started at the age of 5 weeks, the morbility and mortality were approx. 4 to 5%. The affected animals showed diarrhoea, faintness and gradually developing weakness before death. The gross pathological and histopathological examinations revealed larger areas with loss of feather, enlargement of skin, blushing and oedema mainly in the skin of legs and dorsal and occasionally also in other regions (Fig. 1). In different areas, crusting or necrosis of skin and coagulative or colliquative necrosis of stratified epithelium could also be observed. Serous-bloody infiltration of subcutaneous connective and the neighbouring muscular tissues (Figs 2 and 3), occasionally small gaseous vesicles, necrosis of muscular fibres and 6 to 10 μm long Gram positive bacteria could also be detected (Fig. 4). Besides, acute enteritis and signs of the passing Gumboro disease could also be observed. The bacterial strains isolated under anaerobic conditions from the subcutaneous connective tissue and muscles proved to be Clostridium septicum in the basis of their cultural and biochemical characteristics (Table). The isolated bacterial strains killed the parenteral (im.) inoculated experimental animals (rabbits, chickens and guinea pigs) within 24 to 48 hours post infection. In the case of the authors mass incidence of diarrhoea anticipated the very rarely observed gangrenous dermatitis, known in the literature as wound infection, however injuries of skin were not observed. According to the authors' opinion, besides diarrhoea, the immunosuppressive status of animals as a result of the severe, irreversible damage of bursa of Fabricius caused by the previously passed off bursitis was also an important predisposing factor in the development of the disease.

Original languageHungarian
Pages (from-to)599-601
Number of pages3
JournalMagyar Allatorvosok Lapja
Volume51
Issue number10
Publication statusPublished - Dec 1 1996

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ASJC Scopus subject areas

  • veterinary(all)

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