Got Gas? Study to Determine Cows' Greenhouse Gas Emissions

Amanda NolzIndustry News, Research, University

It’s amazing what science and technology can accomplish these days. The questions that can be answered through accurate research always surprise me. Currently, a study is being conducted by the University of California Davis, Cornell University, the University of Minnesota and Washington State University to measure the entire carbon footprint of fluid milk – from farm to the glass. The study is being funded by the Innovation Center for U.S. Dairy. Here is a little information about the study…

Any calculation of the carbon footprint of a gallon of milk needs to include fuel used by tractors and trucks, as well as electricity consumed by milking machines and refrigerators. But how much gas is coming from the cows themselves? That’s the question Purdue University researchers are investigating as they start a new study aimed at measuring greenhouse gases from dairy cows. Albert Heber, principal investigator and a professor of agricultural and biological engineering, said the study is part of an industry-wide effort to reduce greenhouse gas emissions related to fluid milk.

“The dairy industry understands that in order to adopt best practices that will help lower greenhouse gas emissions in the dairy supply chain, it must first know where the mitigation opportunities exist,” Heber said.

“Measuring the greenhouse gas emissions of dairy cows will help determine the extent to which the dairy industry contributes to U.S. greenhouse gas emissions,” said Rick Naczi, the group’s executive vice president of strategic industry analysis and evaluation. “Preliminary scan level research was conducted last year that showed the dairy industry accounts for less than 2 percent of total U.S. greenhouse gas emissions. Now, we are expanding our efforts by partnering with respected academic institutions like Purdue and engaging in extensive research to assure that our efforts are based on sound science as we address the environmental, economic and social importance of reducing our carbon footprint.”