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narthecium ossifragum/nécrose
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Photosensitisation of livestock grazing Narthecium ossifragum: Current knowledge and future directions.
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Photosensitisation diseases can cause production and animal welfare losses world-wide. In North-West Europe a photosensitisation disease complex known as 'plochteach', 'yellowses', 'saut' and 'alveld' occurs in lambs on extensive pastures containing bog asphodel (Narthecium ossifragum). Affected
Toxicity testing of saponin-containing Yucca schidigera Roetzl. juice in relation to hepato- and nephrotoxicity of Narthecium ossifragum (L.) Huds.
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Yucca schidigera juice in doses of 1.5 g (63 mg sapogenin) and 3.0 g (126 mg sapogenin) per kg live weight was administered intraruminally to 30 lambs for 21 days to investigate whether the saponins in Y. schidigera were toxic to lambs and whether they could cause hepatogenous photosensitisation.
Toxic nephrosis in moose in Norway.
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During the summers 1995/96, toxic nephrosis was diagnosed in nine free-living moose (Alces alces) from Aust-Agder County in southern Norway. Histopathological kidney lesions included tubular degeneration and necrosis, tubular regeneration, and interstitial fibrosis. The disease was probably caused
Narthecium asiaticum Maxim. Poisoning of grazing cattle: observations on spontaneous and experimental cases.
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A total of 39 Holstein cattle were grazed in tracts of wild grassland on account of shortage in pasture grass. Twenty-nine cattle were affected and 26 of them died during a 21-day period. The main signs were depression, anorexia, ascites, and oliguria. There was elevated serum urea nitrogen and
Bog asphodel (Narthecium ossifragum) poisoning in cattle.
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Fifteen cows among a herd of 50 suckler cows and calves rapidly lost body condition and became dull and anorexic after grazing pasture containing bog asphodel (Narthecium ossifragum) during the summer of 1989. The affected cows had evidence of kidney damage characterised by elevated plasma urea and
Nephrotoxicity of Narthecium ossifragum in cattle in Norway.
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During the summer of 1992 renal failure was diagnosed in 232 grazing cattle in 85 herds on the west coast of Norway. The salient clinical signs were depression, anorexia and melaena or fresh blood in the faeces; diarrhoea was also commonly observed. The serum concentrations of creatinine, urea,
Experimental Narthecium ossifragum nephrotoxicity in cervids from Norway.
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One moose (Alces alces), two red deer (Cervus elaphus), two reindeer (Rangifer tarandus) and two fallow deer (Dama dama) were dosed intraruminally with an aqueous extract made from 30 g of bog asphodel (Narthecium ossifragum) (wet weight) per kg live weight. The moose and one of the two reindeer
Nephrotoxicity in goats caused by dosing with a water extract from the stems of Narthecium ossifragum plants.
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Seven goats were given a single dose of an aqueous extract derived from 30 g (wet weight) of Narthecium ossifragum per kg liveweight. Their serum creatinine and urea concentrations increased to day 5 but then fell to normal by day 10. Serum magnesium increased to day 4 and decreased to normal by day
Nephrotoxicity in lambs apparently caused by experimental feeding with Narthecium ossifragum.
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Seven lambs were fed a mixture of bog plants containing 15 g (wet matter) Narthecium ossifragum per kg live weight for 10 consecutive days. Their serum creatinine concentration increased from day 1 to 4 but then fell to normal by day 6 after feeding started. In the same animals, the serum magnesium
Nephrotoxicity and hepatotoxicity in calves apparently caused by experimental feeding with Narthecium ossifragum.
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Seven calves were fed a mixture of bog plants containing 15 g (wet matter) Narthecium ossifragum per kg live weight for two consecutive days. Their serum creatinine, urea and magnesium concentrations increased, whereas the serum calcium concentration decreased. Histopathological examination of the
Narthecium ossifragum (L.) huds. causes kidney damage in goats: morphologic and functional effects.
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We studied the effects of Narthecium ossifragum on goat kidneys. Twenty-five Norwegian dairy goats, 5 weeks to 4 months of age, were orally dosed with an aqueous extract from N. ossifragum. In experiment 1, we studied microscopic and functional changes in 12 animals that were euthanatized 2, 3, 4,
Further studies on the presence, qualities and effects of the toxic principles from Narthecium ossifragum plants.
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One calf was dosed during one day with an aqueous extract from 3.0 kg (wet weight) of Narthecium ossifragum and another was dosed on the same day with the insoluble plant residue. The concentrations of serum creatinine and magnesium increased only in the calf dosed with the aqueous extract, while
Effects of 3-methoxy-2(5H)-furanone-containing extracts from Narthecium ossifragum (L.) Huds. on renal tubular cells in vitro.
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Narthecium ossifragum, a perennial herb of the lily family, causes toxic renal tubular necrosis in several ruminant species. 3-Methoxy-2(5H)-furanone (3M2F) has been identified as a nephrotoxin present in N. ossifragum extracts. We studied effects of three different 3M2F-containing fractions
Accumulation of sapogenin conjugates and histological changes in the liver and kidneys of lambs suffering from alveld, a hepatogenous photosensitization disease of sheep grazing Narthecium ossifragum.
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Sixteen lambs exhibiting hepatogenous photosensitization (alveld) after grazing pasture containing Narthecium ossifragum and seven nonphotosensitized lambs grazing the same pastures were studied. All the alveld-affected lambs revealed liver damage dominated by single cell necrosis, portal
Glycogen accumulation and histological changes in the livers of lambs with alveld and experimental sporidesmin intoxication.
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Alveld is a hepatogenous photosensitization disease seen in lambs grazing Narthecium ossifragum pastures in Norway. Mycotoxins, possibly sporidesmin, have been suspected to cause the liver damage in alvled as in facial eczema. The histological changes in the liver of alveld cases and in lambs
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