Aspectos anatomo-histopatológicos da intoxicação experimental de bovinos pela ingestão de frutos de stryphnodendron fissuratum mart.(“rosquinha”)
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Data
2004-09-15
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This experiment evaluated anatomopathological aspects in intoxication by ingestion of S. fissuratum fruits in 15 crossbred male bovines with age between ten and 14 months, weighing between 96 and 214 kg, divided in three groups (I, II, III) with five animals each and submitted to forced ingestion of 30g/kg, 20g/kg e 10g/kg, respectively, just one time. One animal from each group was selected as control. All animals from the groups I, II and III that ate the fruits were sick and died in the intervals of 2 to 5 days, 3 to 8 days and 6 to 11 days, respectively. Macroscopic anatomopathological examination of poisoned animals from all groups showed subcutaneous gelatinous edema and fluid in the natural cavities. Endocardium hemorrhage was the main finding in the heart associated to pericardium edema. It was observed edema and hyperemy in the kidneys. Edema and hemorrhage were observed in rumem, reticulum and omasum serosa. In abomasum outstanded mucosae edema, hyperemy and ulceration. Edema, hyperemy and hemorrhage were observed in gut. The microscopic examination showed heart with necrosis, multifocal cell swelling and calcification focus edema. Kidneys showed glomerulitis; atrophy and/or
lack of glomeruli; and the collector ducts necrosis and degeneration. Liver showed necrosis and fatty degeneration. Edema, necrosis and mononuclear infiltration were observed in abomasum and gut. Diffuse desmielinization areas outstanded in midbrain. The main joined injuries in the poisoning of bovines by forced ingestion of fruits of Stryphnodendron fissuratum
(“rosquinha”) were more intense in the digestive tract, heart and kidneys.
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v. 6, n. 3, p. 195-202, jul./set. 2005.
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RODRIGUES, Ary da Silva; CHAVES, Nilo Sérgio Troncoso Chaves; DAMASCENO, Adilson Donizete. Aspectos anatomo-histopatológicos da intoxicação experimental de bovinos pela ingestão de frutos de stryphnodendron fissuratum mart.(“rosquinha”). Ciência Animal Brasileira, Goiânia, Go, v. 6, n. 3, 2005. Disponível em: <http://www.revistas.ufg.br/index.php/vet/article/view/364/339>.