| Redroot pigweed (Amaranthus retroflexus) poisoning of cattle in southern Brazil. | |
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MedLine Citation:
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PMID: 9080636 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Two outbreaks of Amaranthus retroflexus (redroot pigweed) poisoning occurring in cattle in southern Brazil in late summer and early autumn are described. In both instances too many cattle were held in small paddocks heavily invaded by A retroflexus in its seeding stage. In 1 herd 8/28 heifers and in the other 15/45 adult cows died. Clinical courses ranged from 3 to 7 d. Clinical signs included depression, loss of weight, mild serous nasal discharge, foul smelling liquid feces tinged with blood, subcutaneous dependent edema, and laborious and incoordinated walking. Main necropsy findings were subcutaneous, cavitary and perirenal edemas, renal subcapsular hematomas, and ulcerative lesions in the alimentary tract. The kidneys were swollen and pale. Histopathological findings were in the kidneys and consisted of tubular degeneration, necrosis and regeneration with interstitial fibrosis and tubular proteinosis. |
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Authors:
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M B Torres; G D Kommers; A F Dantas; C L de Barros |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: Veterinary and human toxicology Volume: 39 ISSN: 0145-6296 ISO Abbreviation: Vet Hum Toxicol Publication Date: 1997 Apr |
Date Detail:
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Created Date: 1997-06-03 Completed Date: 1997-06-03 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 7704194 Medline TA: Vet Hum Toxicol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 94-6 Citation Subset: IM |
Affiliation:
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Departmento de Patologia, Universidade Federal de Santa Maria, RS, Brazil. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Angiosperms
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poisoning* Animals Body Weight Brazil / epidemiology Cattle Cattle Diseases / epidemiology*, pathology Depression / epidemiology, etiology, physiopathology Disease Outbreaks / veterinary* Female Intestines / pathology Kidney Tubules / pathology Male Nasal Mucosa / pathology Plant Poisoning / epidemiology, pathology, veterinary* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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