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1.
Arq. bras. med. vet. zootec ; 62(6): 1521-1525, dez. 2010. ilus, tab
Article in English | LILACS | ID: lil-576059

ABSTRACT

Relata-se a quantificação de PCV-2, por meio de PCR em tempo real, no trato gastrintestinal, linfonodo mesentérico, tonsilas e fezes de nove suínos refugo da fase de crescimento, provenientes de rebanhos com histórico de diarreia não responsiva ao tratamento com antibioticoterapia. Com base nos resultados histopatológicos e imunoistoquímicos, os animais foram classificados como afetados por PCV-2 (n=5) e não afetados (n=4). Foi observada diarreia em todos os animais do grupo afetado por PCV-2. Em todas as amostras testadas foi detectado PCV-2, no entanto, a carga viral observada nos tecidos, bem como a excreção nas fezes foi significantemente maior (P<0.01) nos animais com diarreia. A maior concentração de PCV-2 foi observada nos linfonodos mesentéricos. A carga viral observada em tecido fresco e nas mesmas amostras emblocadas em parafina foi semelhante, sugerindo que o PCR em tempo real pode ser uma ferramenta útil em estudos retrospectivos da infecção por PCV-2.


Subject(s)
Animals , Viral Load , Diarrhea/veterinary , Swine Diseases/diagnosis , Swine/physiology
2.
Equine Vet J ; 42(5): 456-9, 2010 Jul.
Article in English | MEDLINE | ID: mdl-20636784

ABSTRACT

After ingesting green leaves of T. micrantha, 2 horses showed apathy, locomotor deficit, blindness, recumbency, paddling, coma and death. The main gross findings were scattered haemorrhages, enhanced lobular pattern of the liver, and cerebral oedema. Histological changes included disseminated haemorrhages, massive hepatocellular necrosis, neuronal degeneration, Alzheimer type II astrocytes and cerebral perivascular oedema. Clinicopathological findings which were comparable with those observed in Trema micrantha poisoned ruminants, associated with epidemiological evidence suggested the diagnosis.Trema micrantha poisoning should be evaluated as a possible cause in the diagnosis of equine hepatopathy and occasional secondary encephalopathy.


Subject(s)
Horse Diseases/chemically induced , Plant Poisoning/veterinary , Plants, Toxic/adverse effects , Trema/chemistry , Animals , Brazil/epidemiology , Cerebellum/drug effects , Cerebellum/pathology , Horse Diseases/epidemiology , Horse Diseases/pathology , Horses , Insomnia, Fatal Familial , Liver/drug effects , Liver/pathology , Plant Leaves/chemistry , Plant Poisoning/epidemiology , Plant Poisoning/pathology , Pons/drug effects , Pons/pathology
3.
J Vet Med A Physiol Pathol Clin Med ; 54(6): 333-5, 2007 Aug.
Article in English | MEDLINE | ID: mdl-17650154

ABSTRACT

Outbreaks of tetanus, in which 297 beef cattle and 50 sheep were affected and died, were associated with the injection of a Clostridium tetani-contaminated anthelmintic (disophenol). The disease was observed on five farms in Rio Grande Sul, Brazil.


Subject(s)
Cattle Diseases/epidemiology , Disease Outbreaks/veterinary , Equipment Contamination , Sheep Diseases/epidemiology , Tetanus/veterinary , Animals , Brazil/epidemiology , Cattle , Cattle Diseases/etiology , Female , Male , Nitrophenols/adverse effects , Sheep , Sheep Diseases/etiology , Tetanus/epidemiology , Tetanus/etiology , Vaccines/adverse effects
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