| Pyrrolizidine alkaloidosis of cattle associated with Senecio lautus. | |
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MedLine Citation:
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PMID: 7945096 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Serious incidents of pyrrolizidine alkaloidosis of cattle in 10 herds exposed to the Australian native plant, Senecio lautus (Asteraceae), were seen in central Queensland during 1988-1992. The deaths of 226 cattle were recorded. A mean of 8% of cattle died in affected groups (range 2 to 58%). Sickness and deaths usually occurred some months after access to S lautus. Typically, affected cattle lost body condition to the point of emaciation before dying and had persistent diarrhoea. Some animals developed abnormal behaviour and died after a shorter illness. Liver specimens from affected cattle in all herds contained lesions consistent with pyrrolizidine alkaloidosis. Thin layer chromatography of extracts of blood and liver samples from cattle from 5 herds detected pyrrolic metabolites. The identity of these was confirmed by mass spectroscopy on samples from one herd. Unseasonal autumn and winter rain after a dry summer appeared to favour growth of S lautus at the expense of other pasture species. A subsequent dry period promoted consumption of S lautus and was followed by a cluster of poisoning incidents. |
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Authors:
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J W Noble; J Crossley; B D Hill; R J Pierce; R A McKenzie; M Debritz; A A Morley |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Australian veterinary journal Volume: 71 ISSN: 0005-0423 ISO Abbreviation: Aust. Vet. J. Publication Date: 1994 Jul |
Date Detail:
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Created Date: 1994-11-18 Completed Date: 1994-11-18 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0370616 Medline TA: Aust Vet J Country: AUSTRALIA |
Other Details:
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Languages: eng Pagination: 196-200 Citation Subset: IM |
Affiliation:
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Queensland Department of Primary Industries, Emerald. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Cattle Cattle Diseases / epidemiology, etiology*, pathology Female Incidence Liver / pathology Male Morbidity Plant Poisoning / epidemiology, etiology, pathology, veterinary* Plants, Toxic* Pyrrolizidine Alkaloids / poisoning* Queensland / epidemiology Senecio* |
| Chemical | |
Reg. No./Substance:
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0/Pyrrolizidine Alkaloids |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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