Document Detail

Photosensitization of cattle in Montana: is Descurainia pinnata the culprit?
MedLine Citation:
PMID:  2741309     Owner:  NLM     Status:  MEDLINE    
Recurrent photosensitization of cattle in Montana has been blamed on Descurainia pinnata, tansy mustard. Two feeding trials were conducted to determine if tansy mustard was phototoxic. Pen-fed cattle consumed 2.4 and 4.1 kg/hd/day of tansy mustard in the 2 trials, and no photosensitization was detected. Liver clearance of BSP was within normal limits, as were blood chemistry values for AST, CK and GGT. Field cases have confirmed that tansy mustard was present and grazed in pastures where affected animals have grazed. We suspect that other factors may be necessary to predispose cattle to photosensitization by tansy mustard, and future work will attempt to determine the cause of the photosensitization.
J A Pfister; D C Baker; J R Lacey; R Brownson
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Veterinary and human toxicology     Volume:  31     ISSN:  0145-6296     ISO Abbreviation:  Vet Hum Toxicol     Publication Date:  1989 Jun 
Date Detail:
Created Date:  1989-08-03     Completed Date:  1989-08-03     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7704194     Medline TA:  Vet Hum Toxicol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  225-7     Citation Subset:  IM    
USDA-ARS Poisonous Plant Research Laboratory, Logan, Utah 84321.
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MeSH Terms
Cattle Diseases / etiology*
Enzymes / blood
Liver / physiopathology
Photosensitivity Disorders / etiology,  veterinary*
Plant Poisoning / veterinary*
Plants, Toxic*
Reg. No./Substance:

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