Lesson 25. Manure Treatment Options

Livestock and Poultry Environmental Learning Center:

Home Page

All articles about:

LPES Curriculum

The LPES Curriculum CD available from MWPS contains all lessons at print quality resolution, is searchable, and includes an index and PowerPoint presentations for each lesson. A full, printed version is available as is a 2-CD set of the lessons in PageMaker format. For more information or to purchase LPES materials, contact MWPS by phone at 1-800-562-3618, by fax at 1-515-294-9589, or by e-mail at mwps@iastate.edu

View Lesson 25 (PDF file). Individual sections can be accessed below.

Intended Outcomes

The participants will

  • Understand basic principles of manure treatment to evaluate alternative technologies.
  • Identify desired outcomes of manure treatment and ability of alternative technologies to accomplish these outcomes.


The participants will

  • Calculate late the amount of N and P excreted by feedlot cattle.
  • Evaluate the effects of ration formulation changes on N and P excretion.

Author: Frank Humenik