Environmental Stewardship

  Measuring and reducing your environmental footprint

  Managing odor, emissions, and air quality concerns

  Maximizing manure value while protecting water quality

  Meeting certification and regulatory requirements

  Implementing proper disposal methods

  Understanding sustainability metrics and life cycle assessments

Air Quality

Tool

The Air Management Practices Assessment Tool (AMPAT) provides an objective overview of mitigation practices best suited to address odor, emissions and dust at your livestock operation, so livestock and poultry producers may compare and narrow their options of mitigation techniques.

Tool
Air Management Practices Assessment Tool
Publication

Understanding the principles behind effective livestock odor control strategies can help producers decide what to do.

Publication
Principles of Odor Control -- The Science of Smell Part 4
Publication

Odor measurement is complicated. Find out about dilution-to-threshold methods, which currently are the most widely accepted.

Publication
Odor Detection and Measurement -- The Science of Smell Part 3
Publication

More than 75 odorous compounds have been identified in livestock manures. Knowing odor chemistry is helpful to design and manage manure systems and avoid nuisance complaints.

Publication
Odor Chemistry -- The Science of Smell Part 2
Publication
Understanding our human sense of smell can help explain why controlling livestock ordors is a challenge.
Publication
Odor Perception and Physiological Response -- The Science of Smell Part 1

Manure Management

Video

Hydrogen sulfide safety hazards and essential precautions for manure handling and agitation operations.

Video
Manure Gasses: Hydrogen Sulfide and Your Safety
Publication

Manure has characteristics that make nutrient management different and sometimes more complicated than fertilizer. Find out about manure nutrient availability for crops, manure nutrient supply, manure nutrient application recommendations, adjusting for manure nitrogen volatilization, and more.

Publication
Using Manure Nutrients for Crop Production
Publication

A manure sample analysis that indicates manure nutrient concentrations can help define application rates and increase the potential as a crop nutrient source. Learn how frequently to sample, what testing to request and how to use analysis results in a manure nutrient management plan.

Publication
How to Interpret Your Manure Nutrient Analysis
Publication

Adopting best management practices throughout an operation must take into consideration both manure application and tillage management.

Publication
Manure and Tillage Management -- Resource Conservation Practices
Factsheet

Safety guidelines and treatment options for manure foam including ventilation requirements, feed management, and chemical treatments.

Factsheet
Manure Foam: Science, Safety, Ventilation, Treatments
Certification

Certification requirements, training options, and renewal information for producers applying manure from their own confinement operations.

Certification
Confinement Site Applicators
Certification

Certification requirements, training options, and licensing information for commercial manure application businesses and their employees.

Certification
Commercial Manure Applicator Certification
Website

Dr. Dan Andersen, Iowa State University, discusses the science of manure, including management, options for treatment, use as fertilizer, environmental impacts and new technologies.

Website
The Manure Scoop Blog
Website

IMMAG was created in 1997 by commodity and public sector groups to help producers maximize the value of manure as well as protect the environment. It links to many scientific and regulatory resources.

Website
Iowa Manure Management Action Group (IMMAG)

Mortality Disposal

Publication

This publication provides best practices for composting swine carcasses.

Publication
Field Tips for Successful Composting
Publication

Learn how on-farm composting of dead livestock can save producers money and help protect the environment.

Publication
Composting Dead Livestock: A New Solution for an Old Problem

Regulatory Compliance

Website

Support organization offering Iowa farmers regulatory assistance, community relations guidance, and recognition programs for good neighbor practices.

Website
Coalition to Support Iowa Farmers
Website

Comprehensive regulatory information, permits, forms, and compliance guidance for Iowa confinement and open feedlot operations.

Website
Animal Feeding Operations
Tool

This worksheet provides guidelines for using the computer program RUSLE2 (Revised Universal Soil Loss Equation 2) and for calculating the Iowa Phosphorous Index. These are needed in nutrient management and conservation planning.

Tool
Data Collection Worksheet for RUSLE2 and Iowa Phosphorous Index
Website

State regulations, separation distance requirements, and certification pathways for land applying manure in Iowa.

Website
Manure Applicator Resources

Sustainability

Publication

Sustainability in the swine industry can be calculated using a Life Cycle Assessment (LCA). Swine production LCAs can inform producers and consumers how certain production practices impact the environment.

Publication
Sustainability in the Swine Industry: Understanding the Life Cycle Assessment of the Pork Supply Chain
Factsheet

This fact sheet is a companion piece for the Wean-Finish Pork Sustainability Calculator and helps explain how the information from calculator inputs can be used by producers.

Factsheet
Evaluating Production Metrics in Relation to Sustainability in a Wean-to-Finish Barn
Tool

This calculator allows producers to understand how improvements in finishing, such as mortality and feed efficiency, can influence the environmental footprint of the barn.

Document
/files/documents/WFPorkSustainabilityCalculator.xlsx
Tool
Wean-Finish Pork Sustainability Calculator
Document
/files/documents/WFPorkSustainabilityCalculator.xlsx

Questions?

Staff photo

Dan Andersen
Associate Professor and Extension Agriculture Engineering Specialist