Suspected blue canary grass (Phalaris coerulescens) poisoning of horses

Colegate, S. M.; Anderton, Neil; Edgar, J. A.; Ca, Bourke; Rn, Oram

doi:10.1111/avj.1999.77.8.537

Cited by 36 publications

(23 citation statements)

References 7 publications

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“…Phalaris arundinacea (reed canary grass) toxicity has been documented in beef cattle in the United States and P. angusta toxicity has been described in cattle in Argentina . Toxicity associated with P. aquatica (paradoxa grass) and P. coerulescens (blue canary grass) has been reported in Australian horses …”

mentioning

confidence: 99%

Chronic phalaris toxicity in eastern grey kangaroos (Macropus giganteus)

et al. 2014

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confidence: 99%

Chronic phalaris toxicity in eastern grey kangaroos (Macropus giganteus)

et al. 2014

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“…Género (Colegate et al 1999, Sousa & Irigoyen 1999, Offord 2006. Phalaris canariensis, así como de otras especies, han sido investigadas en relación con la silicificación de los macropelos y células epidérmicas de las lemmas.…”

Section: Tratamiento Taxonómicounclassified

Taxonomía del género Phalaris L. (Poaceae: Pooideae: Phalaridinae) en Chile

Finot¹

2014

Gayana Bot.

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RESUMENSe presenta una revisión taxonómica del género Phalaris L. (Poaceae: Phalaridinae) en Chile. Se reconoce la presencia de 9 especies: P. amethystina Trin., P. caroliniana Walter, P. angusta Nees ex Trin., P. aquatica L., P. arundinacea L., P. canariensis L., P. coerulescens Desf., P. minor Retz. y P. paradoxa L. Se entregan descripciones, sinónimos, ilustraciones, material estudiado y una clave para las especies. Phalaris coerulescens se cita por primera vez para Chile. PALABRAS CLAVE:Phalaris, Phalaridinae, Gramineae, Poaceae. ABSTRACTA taxonomic revision of genus Phalaris L. (Poaceae: Phalaridinae) in Chile is given. Nine species are recognized: P. amethystina Trin., P. caroliniana Walter, P. angusta Nees ex Trin., P. aquatica L., P. arundinacea L., P. canariensis L., P. coerulescens Desf., P. minor Retz. and P. paradoxa L. Descriptions, synonyms, illustrations, specimens examined and a key to species are included. Phalaris coerulescens is cited for the first time in Chile.

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“…Both substances are present in Phalaris grass species (Canary grass), and hordenine also occurs in germinating barley and other Gramineae species. Although neither bufotenine nor hordenine are specifically associated with toxic syndromes in horses, excessive consumption of Phalaris grass species is associated with a number of syndromes that are collectively known as Phalaris staggers (Bourke 1994, Colegate 1999. As both substances affect the CNS of horses they are regarded as prohibited substances under competition rules, and they have both been detected in post-race urine samples in Europe and Australia (Schubert et al 1990, McCaffrey et al 2002.…”

Section: Hordenine and Bufoteninementioning

confidence: 99%

Hair analysis for screening horses for exposure to dietary toxic residues

Dunnett¹

2005

PHK

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SummaryHair analysis has been proposed and evaluated as a potential diagnostic technique to retrospectively monitor exposure to a range of environmental, dietary and other toxins including drugs, pesticides, mycotoxins, plant toxins, heavy metals and other toxic elements, such as selenium and arsenic, in humans and animals. The purpose of this review is to report and discuss, where data exists, the development and use of this technique to identify such toxic residues in equine hair. In the absence of research specific to the horse, this review draws upon comparative data in humans and other species, on hair analysis and potential dietary toxins of particular relevance in equine nutrition and feedstuffs production.Keywords: Hair analysis, residues, exposure, drugs, metabolites, mycotoxins, pesticides, heavy metals, selenium, plant toxins, screening

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Suspected blue canary grass (Phalaris coerulescens) poisoning of horses

Cited by 36 publications

References 7 publications

Chronic phalaris toxicity in eastern grey kangaroos (Macropus giganteus)

Chronic phalaris toxicity in eastern grey kangaroos (Macropus giganteus)

Taxonomía del género Phalaris L. (Poaceae: Pooideae: Phalaridinae) en Chile

Hair analysis for screening horses for exposure to dietary toxic residues

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