April 5, 2022
The Institute for Feed Education and Research (IFEEDER) released new research today which shows that if more U.S. food companies are to require feed for their livestock and poultry be free from genetically modified (GM) ingredients, then greenhouse gas emissions on farms could rise, grain elevator and feed mill product handling and production requirements would be greater, and the price of meat, milk and eggs for consumers could increase.
The study, Impact of Non-GM Livestock and Poultry Feed on the U.S. Feed Industry, conducted by Iowa State University and Decision Innovation Solutions, examined the environmental and economic implications should U.S. animal food manufacturers need to boost the production of non-GM feed. Partnering with Dairy Management Inc., MFA, the National Corn Growers Association, the U.S. Poultry and Egg Association and others, IFEEDER initiated the research to inform companies throughout the food value chain of the complexities involved with producing GM and non-GM feed lines from the farm to grain elevator to feed mill.
"Like many industries involved in the production of America's food supply, the U.S. animal feed industry is diligently working to be more sustainable and efficient, using all available tools at its disposal, as part of our commitment to consumers to be good environmental stewards," said Lara Moody, IFEEDER executive director. "The research released today shows that when you limit the use of safe, proven technologies, like GM crops, the costs for both the environment and consumers can increase. As food retailers and manufacturers pursue ambitious sustainability goals in the future, we hope this research will inform their decision making on the value that GM feed provides."
The study found that from a monetary viewpoint, GM seeds cost corn and soy farmers more initially, but are typically offset by lower costs for herbicides, insecticides and field operations when compared to non-GM production. For a farmer to consider switching to non-GM farming from GM, the research showed that a significant premium on non-GM would be needed to offset the production cost difference.
Further, a shift away from non-GM seeds creates land sparing benefits. For example, the report showed the use of GM seed traits produced between 6.8 million to 15.9 million acres of land sparing and 35% to 65% less land conversion from grassy habitats to crop production, which would have occurred otherwise for the period from 2007-2016.
The researchers also evaluated the impact of on-farm fuel reductions to lower carbon dioxide (CO2) emissions to the environment by using GM crops and found that the GM corn no-till system emits the least CO2 for diesel combusted in field operations at 0.0258 metric tons per acre, based on 2020 corn production budget data.
Additionally, nitrogen efficiency has improved with the expansion of GM seed use and other technologies, the report noted. Examining corn alone, the research showed that if it takes 4.9% more corn acres to yield the same level of production with non-GM corn as would be expected with GM corn, then total nitrogen volatilization and leaching losses under all non-GM corn production would be expected to be 2.7% and 4.3% higher than with all GM corn production.
Another key finding was that all participants in the non-GM feed production supply chain would be subject to additional costs related to segregation and isolation of GM and non-GM ingredients. For example, the grain elevator could potentially spend an additional 5-7 cents/bushel to handle and segregate non-GM soybeans, compared with regular soybeans. For non-GM corn, the cost would rise to 7-9 cents/bushel.
Unfortunately, the feed mill, which is at the end of the feed production chain, would be subject to the largest increase in the price of the final product. This, the report said, would directly impact consumer prices for meat, milk and eggs derived from animals fed non-GM feed. However, the study found that overall, the consumer retail price of meat, milk, or eggs from animals fed non-GM feed is expected to increase over animals fed GM feed.
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