Livestock and Forage

Grazing Cattle


Livestock,  Forage and Pasture Management Extension Education for Clackamas, Polk, Marion, Multnomah, Washington, and Yamhill Counties.






New Links: 

Managing For Drought  September 2015

New publications: 

Porcine Epidemic Diarrhea Virus  2014          

Help Oregon Take a Stand Against a New Deadly Pig Disease  Important  Information about the Swine OUTBREAK


Extension and Research Publications: 

Business Management Guide for Grazers  by Shannon K. Williams and C. Wilson Gray UICE; At this URL:

EM 9057, Applying Lime to Raise Soil pH for Crop Production (Western Oregon)

Authors: N. P. Anderson, J. M. Hart, D. M. Sullivan, N. W. Christensen, D. A. Horneck, G. J. Pirelli New May 2013, 21 pages, NC  

This publication replaces FG 52.  

EM 9061, Soil Acidity in Oregon: Understanding and Using Concepts for Crop Production  

 Authors: J.M. Hart, D.M. Sullivan, N.P. Anderson, A.G. Hulting, D.A. Horneck, and N.W. Christensen New July 2013, 22 pages, NC    

New Video:  Pasture Management During Critical Periods (narrated by Gene Pirelli)


Information on the following subjects is available to livestock and forage producers:

The OSU Extension Livestock and Forage Information Newsletter,  "Mid-Willamette Livestock Letter", is posted here when a new edition is published.  If you would like to receive new editions of the newsletter by email, please contact Pam Scharf at the telephone number below or EMAIL your request to be added to the newsletter mailing list.

Contact Information:


Gene Pirelli
Home Office at Polk County Extension
Regional Extension Livestock and Forage Specialist



Polk County Extension Office Hours:

Monday through Friday, 8am-Noon and 1-5pm (closed noon-1pm)

Polk County Office Phone: 503-623-8395503-623-8395 

Gene's Cell Phone:  503-931-5163503-931-5163  (Monday through Friday)