Document Detail


Redroot pigweed (Amaranthus retroflexus) poisoning of cattle in southern Brazil.
MedLine Citation:
PMID:  9080636     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
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.
Authors:
M B Torres; G D Kommers; A F Dantas; C L de Barros
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Veterinary and human toxicology     Volume:  39     ISSN:  0145-6296     ISO Abbreviation:  Vet Hum Toxicol     Publication Date:  1997 Apr 
Date Detail:
Created Date:  1997-06-03     Completed Date:  1997-06-03     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7704194     Medline TA:  Vet Hum Toxicol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  94-6     Citation Subset:  IM    
Affiliation:
Departmento de Patologia, Universidade Federal de Santa Maria, RS, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Angiosperms / 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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