We're sorry, but eCampus.com doesn't work properly without JavaScript.
Either your device does not support JavaScript or you do not have JavaScript enabled.
How to enable JavaScript in your browser.
Need help? Call 1-855-252-4222
by Colin G. Scanes
by Scanes, Colin
by Scanes, Colin G.; Brant, George; Ensminger, M. E., Deceased
by Editor: John A. Miranowski (Professor and agricultural economist for Iowa State University); Editor: Colin G. Scanes (Professor in Animal Science, Iowa State University, Ames, Iowa); Foreword by: Kenneth M. Quinn (President, The World Food Prize)