Iowa State University animal scientist, Wendy Powers, will direct a new, four-year project to investigate dietary strategies to reduce gaseous emissions from animal-feeding operations. USDA’s National Research Initiative is providing the grant, with research beginning in July 2004. Of the total award, more than $412,000 will remain at Iowa State to conduct the work.

Powers says this research will begin by establishing hydrogen sulfide, ammonia, methane and volatile-organic compounds baseline emissions from growing swine, broiler chickens and lactating dairy cows.

After quantifying emissions based on typical industry diets, researchers will modify the diets to reduce and measure emissions from animals. University of Maryland and University of California-Davis researchers will assist with the project.

Iowa State University