Forage Resources

Troy Downing, OSU Extension Dairy faculty (503) 842-5708 x 211

(If the link to an article or publication is not available, contact Troy Downing for a reprint)

Journal Publications dairy forage research plots

Downing, T. and J. Seymour. 2014.  Using weekly pasture measurements to monitor pasture growth and utilization.  J of NACAA. Vol. 7, no. 1. May 2014. .

Downing, T. and P. French. 2009. Improved understanding of fiber digestibility in forages. Journal of Extension Vol 47, no 2.

Downing, T. and P. French. 2008. Fiber digestibility in ryegrass. NACAA Journal. July, 2008.

Downing, T., A. Buyserie, M. Gamroth and P. French. 2008. Effect of water soluble carbohydrates on fermentation characteristics of ensiled perennial ryegrass. Professional Animal Scientist. 24:1 pg 35-39

Research Reports

Assessing Phosphorus and Potassium Feeding on Oregon Dairies

Fiber Digestibility in Cool Season Grasses

Non-Structural Carbohydrates in Forage Cultivars

Phosphorus on the Farm From Feed Grains and By-Productions

Extension Publications and Other Articles

Downing, T., D. Hannaway, B. Randow, P. Berry and X. Yang.  2014. Managing dairy grazing for more milk and profit. EM8412.

Downing, T. and J. Seymour. 2013. Economics of pasture-based dairies in Oregon.  BEEF 116. http//

Downing, T.  2009.  The impact of fiber digestibility on energy of cool season grasses.  Oregon Beef Council Report.  BEEF017.  http//

Hart, J., D. Sullivan, M. Gamroth, T. Downing and A. Peters.  2009.  Silage Corn Nutrient Management Guide.  EM 8978-E.

Downing, T. and M.Gamroth. 2007.  Nonstructural carbohydrates in cool season grasses.  Oregon State University Extension Special report. 1079.

Downing, T., J. Hart, D. Sullivan and M. Gamroth.  2007. Nutrient Management for Dairy Production: Manure Application Rates for Forage Production. Oregon State University Extension, EM 8585.

Pirelli, G., J. Hart, S. Filley, A. Peters, M. Porath, T. Downing, M. Bohle and J. Carr.  2004.  Early spring forage production for western Oregon pastures.  Oregon State University Extension, EM 8852.

Downing, T. 2002.  Nitrogen, phosphorus and potassium uptakes in perennial grasses fertilized with dairy manure.  Oregon State University Extension, Special Report 1043.

Downing, T. A. Chamberlin, A. Peters and M. Gamroth. 2013.  What are your forages worth? PNW259.

Downing, T. 2001.  Keeping track of manure nutrients in dairy pastures.  Oregon State University Extension, PNW 549.

Forage Testing is Important for Balancing Rations

Soil pH and Pasture Productivity

The Value of Locally Grown Forages Continues to Go Up


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