2010
DOI: 10.1590/s0100-736x2010000500005
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Intoxicação por Baccharis megapotamica var. weiriiem ovinos

Abstract: As intoxicações por Baccharis coridifolia afetam especialmente animais de fazenda famintos ou curiosos e que não haviam tido contato prévio com a planta. B. coridifolia ocorre usualmente em terrenos secos de coxilhas no Rio Grande do Sul e estados ou países vizinhos. Uma forma indistinguível e esporádica da doença tem sido associada com a ingestão de Baccharis megapotamica que ocorre em áreas úmidas. Relata-se a intoxicação natural de quatro cordeiros após ingestão de Baccharis megapotamica var. weirii. A doen… Show more

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Cited by 12 publications
(26 citation statements)
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“…weirii poisoning by in buffalo (Oliveira-Filho et al 2011) in cattle (Driemeier et al 2000) and sheep (Pedroso et al 2010) and the experimental intoxication in cattle with this plant species (Tokarnia et al 1992). The lesions are also similar to those produced by B. coridifolia in cattle (Tokarnia & Döbereiner 1975, Barros 1998, Rissi et al 2005) and sheep (Rozza et al 2006).…”
Section: Discussionmentioning
confidence: 99%
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“…weirii poisoning by in buffalo (Oliveira-Filho et al 2011) in cattle (Driemeier et al 2000) and sheep (Pedroso et al 2010) and the experimental intoxication in cattle with this plant species (Tokarnia et al 1992). The lesions are also similar to those produced by B. coridifolia in cattle (Tokarnia & Döbereiner 1975, Barros 1998, Rissi et al 2005) and sheep (Rozza et al 2006).…”
Section: Discussionmentioning
confidence: 99%
“…weirii have been reported in cattle (Driemeier et al 2000) sheep (Pedroso et al 2010) and buffaloes (Oliveira-Filho et al 2011). There are also some anecdotal accounts of spontaneous toxicosis by B. megapotamica var.…”
Section: Introductionmentioning
confidence: 92%
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“…26 Baccharis artemisioides causes disease in cattle in a restricted zone of Argentina northwest of Buenos Aires and southeast of Cordoba. 22 Nearly 120 species of Baccharis have been recorded in Brazil; of those, only Baccharis coridifolia 4,27 and Baccharis megapotamica 7,19,28 have been proven to be toxic to livestock. Both B. megapotamica and B. coridifolia are found in southern Brazil, but they occupy different habitats; B. megapotamica is found in marshy areas 28 whereas B. coridifolia grows in pastureland.…”
mentioning
confidence: 99%
“…weirii (Baker) G.M.Barroso (Asteraceae) é considerada uma planta tóxica causadora de edema de submucosa no rúmen, tumefação, vacuolização e necrose de mucosas, levando a morte de ovinos (Pedroso et al, 2010).…”
Section: Resultado E Discussãounclassified