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Year 2005 - Volume 25, Number 3
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Sobre um surto de envenenamento por derivado cumarínico em bovinos, p.143-149
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Brito M.F., Seixas J.N., Jabour F.F., Andrade G.B., Cunha B.R.M., França T.N. & Peixoto P.V. 2005. [About an outbreak of cumarin poisoning in cattle.] Sobre um surto de envenenamento por derivado cumarínico em bovinos. Pesquisa Veterinária Brasileira 25(3):143-149. Depto Epidemiologia e Saúde Pública, Instituto de Veterinária, UFRRJ, Seropédica, RJ 23890-000, Brazil. E-mail: marilene@ufrrj.br
An outbreak of cumarin poisoning which occurred in feedlot cattle in the county of Seropédica, Rio de Janeiro, is described. Three from 43 animal died. The main manifestations included bloody diarrhea, apathy, anorexia, sialorrhoe, incoordenation and dyspnoe. At post-mortem examinations there were mainly hemorrhages of varies forms and intensity in several organs, which also were seen at histopathological examination. Analysis for cumarin derivates of rumen, reticulum, omasum and abomasum contents, of liver and kidney samples, as well as of food collected from the trough, resulted positive for cumarin compounds which included warfarin, bromadiolone and brodifacoum. Feeding experiments with food stored at the property resulted negative. An intentional or accidental act could not be excluded. Animals that did not feed from the same trough did not get sick. |
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