Evaluation of the Seasonal and Annual Abortifacient Risk of Western Juniper Trees on Oregon Rangelands

Welch, Kevin D.
Parsons, Cory
Gardner, Dale R.
Deboodt, Tim
Schreder, Peter
Cook, Daniel
Pfister, James A.
Panter, Kip E.
Society for Range Management
Publication Year: 
On the Ground• Western juniper trees can cause late term abortionsin cattle, similar to ponderosa pine trees.• Results from this study demonstrate that there is nodifference in the labdane acid (the abortifacientcompounds) content of western juniper treesthroughout the year, or from year to year.• Consequently the abortifacient risk of westernjuniper trees should not vary throughout the year,or from year to year.• Producers who winter cattle in rangelands withwestern juniper trees should take similar precautionsto prevent late term abortions as they wouldwith ponderosa pine trees.Keywords: cattle, abortions, western juniper trees,isocupressic acid, labdane acids.
Document Type: 
Journal Issue/Article
Society for Range Management

Rangelands, a publication of the Society for Range Management, serves as a forum for the presentation and discussion of facts, ideas, and philosophies pertaining to the study, management, and use of rangelands. The journal features scientific and historical articles as well as Society news. It provides readers with scientifically accurate information in a user-friendly format, placed in context of the world we live in today. Rangelands is a practical (non-technical) counterpart of Rangeland Ecology & Management (formerly the Journal of Range Management). The Global Rangelands collection includes articles from Rangelands up to 3 years from the current year. Access to more recent content is available by subscription from BioOne and the Society for Range Management and may also be available at your local university library. 
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