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1.
Pesqui. vet. bras ; Pesqui. vet. bras;30(3): 191-194, mar. 2010. ilus
Article in Portuguese | LILACS | ID: lil-545157

ABSTRACT

Vinte e cinco caprinos, criados em piquetes, morreram nos cinco dias subsequentes ao fornecimento de folhas de Trema micrantha (fam.Ulmaceae), uma árvore com nome comum de grandiúva. Quatro caprinos foram necropsiados e amostras de vísceras foram coletadas para exame histológico. As principais alterações clínicas foram: apatia, anorexia, cabeça apoiada contra obstáculos, decúbito e morte. Achados macroscópicos incluíram sufusões no epicárdio e endocárdio; fígado levemente amarelado e com padrão lobular evidente e, em um caso, acompanhado de hemorragias multifocais. Na histologia observou-se necrose hepática, que variava de centrolobular a massiva, compatível com hepatopatia tóxica. No SNC havia satelitose, tumefação neuronal, edema periaxonal, perivascular. O diagnóstico de intoxicação por Trema micrantha foi baseado no quadro clínico e lesional de hepatite tóxica associado ao uso da planta para alimentação de caprinos.


Twenty five goats, maintained in paddocks, had died in five subsequent days after have been offered leaves, mixed in the ration, of Trema micrantha, a tree commonly called grandiúva. Four animals were necropsied and samples were collected for histopathology. Clinical signs included apathy, anorexia, head pressing against obstacles, decubitus and death. Macroscopic findings included suffusions in the epi- and endocardium, a yellowish liver with pronounced lobular pattern, in one goat, the liver presented additionally multiple visible hemorrhages. Histological examination revealed centrilobular to massive hepatic necrosis consistent with acute liver toxicosis. In the brain, satelitosis, neuronal swelling, and perineuronal and perivascular edema was found. The diagnosis of poisoning by Trema micrantha was based in the clinical picture characteristic of toxic hepatitis associated in the feeding of the plant to the goats.


Subject(s)
Animals , Goats/surgery , Massive Hepatic Necrosis/diagnosis , Massive Hepatic Necrosis/pathology , Massive Hepatic Necrosis/veterinary , Plants, Toxic/poisoning , Ulmaceae/poisoning , Ulmaceae/toxicity , Eosine Yellowish-(YS) , Tissue and Organ Harvesting/veterinary , Hematoxylin/pharmacology , Central Nervous System/pathology
2.
Pesqui. vet. bras ; 30(3): 191-194, 2010. ilus
Article in Portuguese | VETINDEX | ID: vti-14722

ABSTRACT

Vinte e cinco caprinos, criados em piquetes, morreram nos cinco dias subsequentes ao fornecimento de folhas de Trema micrantha (fam.Ulmaceae), uma árvore com nome comum de grandiúva. Quatro caprinos foram necropsiados e amostras de vísceras foram coletadas para exame histológico. As principais alterações clínicas foram: apatia, anorexia, cabeça apoiada contra obstáculos, decúbito e morte. Achados macroscópicos incluíram sufusões no epicárdio e endocárdio; fígado levemente amarelado e com padrão lobular evidente e, em um caso, acompanhado de hemorragias multifocais. Na histologia observou-se necrose hepática, que variava de centrolobular a massiva, compatível com hepatopatia tóxica. No SNC havia satelitose, tumefação neuronal, edema periaxonal, perivascular. O diagnóstico de intoxicação por Trema micrantha foi baseado no quadro clínico e lesional de hepatite tóxica associado ao uso da planta para alimentação de caprinos.(AU)


Twenty five goats, maintained in paddocks, had died in five subsequent days after have been offered leaves, mixed in the ration, of Trema micrantha, a tree commonly called grandiúva. Four animals were necropsied and samples were collected for histopathology. Clinical signs included apathy, anorexia, head pressing against obstacles, decubitus and death. Macroscopic findings included suffusions in the epi- and endocardium, a yellowish liver with pronounced lobular pattern, in one goat, the liver presented additionally multiple visible hemorrhages. Histological examination revealed centrilobular to massive hepatic necrosis consistent with acute liver toxicosis. In the brain, satelitosis, neuronal swelling, and perineuronal and perivascular edema was found. The diagnosis of poisoning by Trema micrantha was based in the clinical picture characteristic of toxic hepatitis associated in the feeding of the plant to the goats.(AU)


Subject(s)
Animals , Goats/surgery , Ulmaceae/poisoning , Ulmaceae/toxicity , Plants, Toxic/poisoning , Massive Hepatic Necrosis/diagnosis , Massive Hepatic Necrosis/pathology , Massive Hepatic Necrosis/veterinary , Hematoxylin/pharmacology , Eosine Yellowish-(YS) , Central Nervous System/pathology , Tissue and Organ Harvesting/veterinary
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