Search Results - "Pfister, A J"
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effect of administering multiple doses of tall larkspur (Delphinium barbeyi) to cattle
Published in Journal of animal science (01-08-2015)“…Larkspurs (Delphinium spp.) are one of the most serious toxic plant problems on foothill and mountain rangelands in the western United States. A considerable…”
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The effect of low larkspur (Delphinium spp.) co-administration on the acute toxicity of death camas (Zigadenus spp.) in sheep
Published in Toxicon (Oxford) (15-12-2013)“…In most cases where livestock are poisoned by plants in a range setting, there is more than one potential poisonous plant in the same area. Two poisonous…”
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3
Studies on the teratogenicity of anabasine in a rat model
Published in Toxicon (Oxford) (01-09-2014)“…A number of plant toxins have been shown to be teratogenic to livestock. The teratogenic action of some of these alkaloids is mediated by nicotinic…”
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4
Comparison of the serum toxicokinetics of larkspur toxins in cattle, sheep and goats
Published in Toxicon (Oxford) (01-09-2016)“…Larkspurs (Delphinium spp.) are a major cause of cattle losses in western North America, whereas sheep are thought to be resistant to larkspur toxicosis. Goats…”
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The effect of 7,8-methylenedioxylycoctonine-type diterpenoid alkaloids on the toxicity of methyllycaconitine in mice
Published in Journal of animal science (01-10-2008)“…Larkspur plants contain numerous norditerpenoid alkaloids, which include the 7,8-methylenedioxylycoctonine (MDL)-type alkaloids and the…”
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acute toxicity of the death camas (Zigadenus species) alkaloid zygacine in mice, including the effect of methyllycaconitine coadministration on zygacine toxicity
Published in Journal of animal science (01-05-2011)“…Death camas (Zigadenus spp.) is a common poisonous plant on foothill rangelands in western North America. The steroidal alkaloid zygacine is believed to be the…”
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White snakeroot poisoning in goats: Variations in toxicity with different plant chemotypes
Published in Research in veterinary science (01-06-2016)“…Tremetone and possibly other benzofuran ketones are believed to be the toxic compounds in white snakeroot. However, disease has not been reproduced with…”
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Effect of body condition on consumption of pine needles (Pinus ponderosa) by beef cows
Published in Journal of animal science (01-12-2008)“…We determined whether cows in low (LBC) or high body condition (HBC) would consume different amounts of green pine needles (Pinus ponderosa). Cows (mature;…”
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effect of polyethylene glycol on intake of Mediterranean shrubs by sheep and goats
Published in Journal of animal science (01-12-2008)“…Poor nutritional quality and increased content of secondary compounds can reduce consumption of Mediterranean shrubs by herbivores. In 2 sequential trials, we…”
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Effect of previous locoweed (Astragalus and Oxytropis species) intoxication on conditioned taste aversions in horses and sheep
Published in Journal of animal science (01-07-2007)“…Locoweed species (Astragalus and Oxytropis spp.) are a serious toxic plant problem for grazing livestock. Horses and sheep have been conditioned to avoid…”
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11
effect of body condition on serum concentrations of two teratogenic alkaloids (anagyrine and ammodendrine) from lupines (Lupinus species) that cause crooked calf disease
Published in Journal of animal science (01-10-2008)“…Several species of lupine (Lupinus spp.) are toxic to livestock, causing death losses in sheep and cattle but more commonly crooked calf disease in pregnant…”
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Investigation of the susceptibility of various strains of mice to methyllycaconitine toxicosis
Published in Journal of animal science (01-04-2009)“…Although the mechanism of action for larkspur alkaloids has been described, little information is available on the variation of the physiological response of…”
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13
Comparative effects of prolonged administration of cyanide, thiocyanate and chokecherry (Prunus virginiana) to goats
Published in Journal of applied toxicology (01-04-2008)“…The aim of the present study was to determine and compare the clinical, hematological, biochemical and histopathological changes induced by cyanide,…”
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14
Neem-tree ( Azadirachta indica Juss.) extract as a feed additive against the American dog tick ( Dermacentor variabilis) in sheep ( Ovis aries)
Published in Veterinary parasitology (12-11-2009)“…Acaricides can be conveyed to ticks via the blood of their hosts. As fruit and kernel extracts from the Meliaceae family, and, in particular the…”
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15
Locoweed (Oxytropis sericea)-induced Lesions in Mule Deer (Odocoileius hemionus)
Published in Veterinary pathology (01-09-2005)“…Locoweed poisoning has been reported in wildlife, but it is unknown whether mule deer (Odocoileius hemionus) are susceptible. In areas that are heavily…”
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Grazing of spotted locoweed (Astragalus lentiginosus) by cattle and horses in Arizona
Published in Journal of animal science (01-09-2003)“…Spotted locoweed (Astragalus lentiginosus var. diphysus) is a toxic, perennial plant that may, if sufficient precipitation occurs, dominate the herbaceous…”
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17
Age-dependent intoxication by larkspur (Delphinium) in Angus steers
Published in Toxicon (Oxford) (15-09-2018)“…The effect of age on larkspur poisoning of cattle is unknown. An experiment consisting of oral dosing of dried, ground, Delphinium barbeyi to ten Angus steers…”
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Assessment of endophyte-derived tremorgenic compounds in Ipomoea asarifolia using mouse models
Published in Toxicon (Oxford) (15-12-2018)“…Ipomoea asarifolia has been associated with a tremorgenic syndrome in livestock. Recently indole diterpene compounds were identified in I. asarifolia, some of…”
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Predicting toxicity of tall larkspur (Delphinium barbeyi): Measurement of the variation in alkaloid concentration among plants and among years
Published in Journal of chemical ecology (01-11-2002)“…Tall larkspur (Delphinium barbeyi) is the principal mountain larkspur responsible for the majority of cattle deaths on mountain rangelands in western Colorado…”
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effect of body condition on disposition of alkaloids from silvery lupine (Lupinus argenteus Pursh) in sheep
Published in Journal of animal science (01-09-2004)“…Several species of lupine (Lupinus spp.) are poisonous to livestock, producing death in sheep and "crooked calf disease" in cattle. Range livestock cope with…”
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