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Arch Inst Pasteur Tunis ; 79(1-4): 51-7, 2002.
Artigo em Francês | MEDLINE | ID: mdl-15072245

RESUMO

A field survey was undertaken, to determine epidemiological, clinical and biological data on Ovine Caseous Lymphadenitis disease in 54 flocks originated from Sfax area in Tunisia. The mean morbidity rate of the cutaneous form was 5.1%. This form affected sheep over 3 months and under 2 years old. On the other hand, the mean morbidity rate of the visceral form, encountered in abattoirs, was 11.02%. The clinical aspect of the superficial (or cutaneous) form was often corresponding to one abscess, located particularly in the lymphatic nodes of the animal's head; while visceral (or internal) form of the disease was represented by the presence of a unique abscess found in the pulmonary lymphatic nodes. The macroscopic aspect of lesions showed that the size of abscess was comprised between 4 and 10 cm in diameter. At the cut, colour of the pus was white yellowish to yellow greyish with a fluid or a thick aspect like onion peels; pus was microscopic. Lesions were characterised by a fibrous shell, a pyogenic membrane and a necrotic center. Bacteriological research revealed that Corynebacterium pseudotuberculosis was the pathogen the most frequently isolated, followed by Staphylococcus aureus subsp anaerobius which was particularly found in sheep aged between 3 months and 2 years old.


Assuntos
Abscesso , Linfadenite , Doenças dos Ovinos , Abscesso/epidemiologia , Abscesso/microbiologia , Abscesso/patologia , Abscesso/veterinária , Distribuição por Idade , Animais , Infecções por Corynebacterium/complicações , Corynebacterium pseudotuberculosis , Farmacorresistência Bacteriana , Feminino , Infecções por Klebsiella/complicações , Klebsiella oxytoca , Linfadenite/epidemiologia , Linfadenite/microbiologia , Linfadenite/patologia , Linfadenite/veterinária , Masculino , Testes de Sensibilidade Microbiana , Morbidade , Nocardiose/complicações , Vigilância da População , Prevalência , Ovinos , Doenças dos Ovinos/epidemiologia , Doenças dos Ovinos/microbiologia , Doenças dos Ovinos/patologia , Infecções Estafilocócicas/complicações , Staphylococcus aureus , Infecções Estreptocócicas/complicações , Supuração , Tunísia/epidemiologia
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