Merwilla plumbea

Show simple item record Botha, C.J. (Christoffel Jacobus) Venter, Elna
dc.contributor.other University of Pretoria. Faculty of Veterinary Science. Dept. of Paraclinical Sciences. Section Pharmacology and Toxicology
dc.coverage.spatial Africa en
dc.coverage.spatial South Africa en 2008-12-19T10:09:43Z 2008-12-19T10:09:43Z 2002
dc.description Colour photos. Final web-ready size: JPEG. Photo 1: 14.7 kb, 96 ppi; Photo 2: 27.6 kb, 72 ppi; Photo 3: 10.8 kb, 96 ppi; Photo 4: 36.4 kb, 72 ppi; Photo 5: 7.17 kb, 72 ppi. Original TIFF file housed at the Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology, University of Pretoria. en
dc.description.abstract DISTRIBUTION: • Mainly found in Kwazulu-Natal • Very variable • In damp grassland, cliffs and rocky slopes. en
dc.description.abstract BOTANICAL DESCRIPTION: General: Up to 1m high. Grows solitary or in colonies. The papery, purplish brown bulbs grow half above the ground. Leaves: 6 - 8. Usually appear after the flowers. Grey-green, erect, ±500mm. Flowers: Inflorescence ±300 x 100 mm. Flowers are pale to deep purplish blue on long slender stalks. Spring. en
dc.description.abstract TOXIC PRINCIPLE: Bufadienolide cardiac glycosides. en
dc.description.abstract SYNDROME: Non-cumulative bufadienolides. en
dc.description.abstract SYSTEMS AFFECTED: Cardiovascular system. en
dc.description.abstract CLINICAL SIGNS: • Fatally poisoned stock usually dies 24 to 48 hours. • Non-fatally poisoned stock generally recovers within three to four days. en
dc.description.abstract NECROPSY: Macroscopical findings: • Not specific - rather negative • Subepi- and endocardial haemorrhages • Lung oedema, congestion, emphysema • Ruminal atony and enteritis - even haemorrhagic • Leaves present in rumen. en
dc.description.abstract HISTOPATHOLOGY: In more chronic cases small foci of degeneration of cardiac musculature are seen occasionally. en
dc.description.abstract TREATMENT: • Activated charcoal is very effective. • Dose 2g/kg. • Large dose is essential. • Adsorption and fixation of excess in rumen. • Even retro-diffusion back from plasma. • Minimize stress to prevent catecholamine release. Additional treatment for valuable animals: 1. Lignocaine. 2. ß -blocking agents. en
dc.description.uri en
dc.identifier.citation Botha, CJ & Venter, E 2002, 'Plants poisonous to livestock Southern Africa (CD-ROM)' University of Pretoria, Faculty of Veterinary Science, Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology, Pretoria, South Africa. en
dc.rights ©University of Pretoria. Dept. of Paraclinical Sciences, Section Pharmacology and Toxicology (Original and digital). Provided for educational purposes only. It may not be downloaded, reproduced or distributed in any format without written permission of the original copyright holder. Any attempt to circumvent the access controls placed on this file is a violation of copyright laws and is subject to criminal prosecution. Please contact the collection administrator for copyright issues. en
dc.source Original format: University of Pretoria, Faculty of Veterinary Science. en
dc.subject Plant poisoning en
dc.subject Toxicology en
dc.subject Plant poisoning in animals en
dc.subject Poisonous plants en
dc.subject Bufadienolides en
dc.subject Cardiac glycosides en
dc.subject.lcsh Poisonous plants -- Toxicology -- Africa, Southern en
dc.subject.lcsh Veterinary toxicology en
dc.title Merwilla plumbea en
dc.title.alternative Scilla natalensis en
dc.title.alternative Blue hyacinth en
dc.title.alternative Blue squill en
dc.title.alternative Blouberglelie af
dc.title.alternative Blouslangkop af
dc.type Still Image en

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