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Title: Brachiaria spp. poisoning of ruminants in Brazil
Other Titles: Intoxicação por Brachiaria spp. em ruminantes no Brasil
metadata.dc.creator: RIVERO, Beatriz Riet Correa
CASTRO, Márcio Botelho de
LEMOS, Ricardo Antônio Amaral de
CORREA, Gabriela Riet
MUSTAFA, Vanessa da Silva
CORREA, Franklin Riet
Keywords: Planta tóxica
Brachiaria spp
Resiliência psicológica
Brasil - País
Issue Date: Mar-2011
Citation: RIET-CORREA, B., et al. Brachiaria spp. poisoning of ruminants in Brazil. Pesquisa Veterinária Brasileira, Rio de Janeiro, v. 31, n. 3, p. 183-192, mar. 2011. Disponível em: <>. Acesso em: 21 maio 2013. <>.
Abstract: Brachiaria species are the most important grasses for cattle production in Brazil. However, a limiting factor for the use of Brachiaria spp. is their toxicity. Most outbreaks of hepatogenous photosensitization are caused by B. decumbens; however B. brizantha, B. humidicola and B. ruziziensis can also cause poisoning. The poisoning affects cattle, sheep, goats and buffalo. Sheep are more susceptible than other animal species and the young are more susceptible than adults. There are differences in susceptibility among animals of the same species and it has been suggested that this resistance is genetic. Also has been suggested that buffalo and probably some sheep are resilient, i.e. when poisoned these animals have histologic lesions and high GGT serum concentrations, but do not show clinical signs. In general, saponin concentrations are higher in growing plants, but outbreaks occur all over the year, probably due to unexplained rise in saponin concentration in the plant. A clinical syndrome of progressive weight loss and death, without photosensitization, has been reported in cattle poisoned by B. decumbens. Main preventive measures are based on the selection of resistant or resilient animals and on the development of Brachiaria species or varieties with low saponin concentration.
ISSN: 1678-5150
Appears in Collections:Artigos Científicos - FAMEVE/CCAST

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