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Isocupressic acid, an abortifacient component of Cupressus macrocarpa.
MedLine Citation:
PMID:  16031906     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Anecdotal reports suggest that abortion occurs in New Zealand cattle after ingestion of macrocarpa (Cupressus macrocarpa). The clinical signs observed are similar to those seen in abortions caused by ponderosa pine (Pinus ponderosa Laws). Isocupressic acid has been identified as an abortifacient component of the needles of ponderosa pine. Macrocarpa collected from the Palmerston North area contained 0.89% and 1.24% isocupressic acid, compared to 1.70% isocupressic acid in Ponderosa pine needles from Oregon in the United States as analysed by the USDA-ARS Poisonous Plant Research Laboratory. These findings support observations that macrocarpa causes abortion in late gestation cattle in New Zealand and suggest the causal agent is probably isocupressic acid.
K Parton; D Gardner; N B Williamson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  New Zealand veterinary journal     Volume:  44     ISSN:  0048-0169     ISO Abbreviation:  N Z Vet J     Publication Date:  1996 Jun 
Date Detail:
Created Date:  2005-07-20     Completed Date:  2005-09-22     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0021406     Medline TA:  N Z Vet J     Country:  New Zealand    
Other Details:
Languages:  eng     Pagination:  109-11     Citation Subset:  -    
Department of Veterinary Clinical Sciences, Massey University, Palmerston North, New Zealand.
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