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PERSISTANCE OF SALMONELLA SP AFTER ANTIBIOTIC THERAPY IN PSITTACINES BELONGING TO A COMMERCIAL FLOCK

ABSTRACT

The owner of a wild bird flock sought the Avian Pathology Laboratory of Descalvado due to the occurrence of high mortality in his flock, constituted for approximately 2,000 couples of several psittaciformes. Only one ill psittacine Agapornis (Agapornis roseicollis) was necropsied. This bird presented enlarged liver and lung congestion. The bacteriological cultures of organs resulted in recovering of Salmonella enterica subspecie enterica sorotipo 4, 5, 12: i: - . Treatment with enrofloxacin and vitamin supply was indicated. The birds housed together with the positive one were sacrificed, since the mortality seemed concentrated in that environment. During the antimicrobial treatment there was no mortality. Elapsed two weeks of the end of the treatment, it was visited the farm, when several materials were collected for research of salmonellae such as feces, sick and dead birds, eggs, rustic chicken with diarrhea, pond water that supplied the cages and the houses. The same serotype of Salmonella was recovered from feces in Agapornis house and from sick and dead birds of species Gold Diamond (Chloebia gouldiae) and Bivate (Stagonoplura guttata). In this way, it was observed that Salmonella was not restricted to the birds in the discharted house and that antibiotic therapy did not control the infection in the flock.

KEY WORDS:
Salmonella; psittacines; antibioticotherapy .

Instituto Biológico Av. Conselheiro Rodrigues Alves, 1252 - Vila Mariana - São Paulo - SP, 04014-002 - São Paulo - SP - Brazil
E-mail: arquivos@biologico.sp.gov.br