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Rev. argent. microbiol ; 36(3): 118-124, jul.-sep. 2004. ilus, tab
Article in Spanish | LILACS | ID: lil-634468

ABSTRACT

El síndrome del desmedro multisistémico postdestete (PMWS) fue descrito por primera vez en Canadá en el año 1991 y desde entonces un número creciente de casos han sido diagnosticados en todo el mundo. En la Argentina, el PMWS fue reportado por primera vez recientemente. Se estudiaron 48 cerdos de 5 a 12 semanas de edad con signos característicos de PMWS procedentes de 19 granjas. Si bien se desconoce la distribución real del virus en nuestro país se observó desde el año 2001 un número creciente de granjas con PMWS y distribuidas en las principales provincias productoras. La histopatología fue una herramienta diagnóstica importante en casos sospechosos de PMWS con la observación de diferentes grados de lesión. En los animales estudiados las infecciones secundarias pudieron ser importantes, ya sea por patógenos oportunistas o por complicaciones bacterianas.


Postweaning multisystemic wasting syndrome was first described in Canada in 1991 and at present an increasing number of cases has been diagnosed worldwide. In Argentina the first cases of PMWS were reported recently. Forty eight 5 to 12 week old pigs with signs characteristic of PMWS from 19 farms were studied. Although the real distribution of the virus in our country is not known it was observed an increasing number of farms with PMWS distributed in the major producing provinces. The histopathology was an important tool in diagnosis of suspicious cases of PMWS with the observation of different degrees of lesion. In the studied animals, the secondary infections, either by opportunistic pathogens or secondary bacteria could be important.


Subject(s)
Animals , Circoviridae Infections/veterinary , Swine Diseases/pathology , Wasting Syndrome/pathology , Argentina/epidemiology , Bacterial Infections/epidemiology , Bacterial Infections/microbiology , Bacterial Infections/pathology , Bacterial Infections/veterinary , Central Nervous System/pathology , Central Nervous System/virology , Circoviridae Infections/epidemiology , Circoviridae Infections/pathology , Circoviridae Infections/virology , Circovirus/isolation & purification , Giant Cells/virology , Inclusion Bodies, Viral/ultrastructure , Lymph Nodes/pathology , Lymph Nodes/virology , Macrophages/virology , Opportunistic Infections/epidemiology , Opportunistic Infections/microbiology , Opportunistic Infections/pathology , Opportunistic Infections/veterinary , Superinfection , Sus scrofa , Swine Diseases/epidemiology , Swine Diseases/virology , Viscera/pathology , Viscera/virology , Wasting Syndrome/epidemiology , Wasting Syndrome/virology
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