dairy cows Content / dairy cows Content for 新澳门六合彩内幕信息 Davis en Study Examines Environmental Footprint of California Dairy Cows Over 50 Years /food/news/study-examines-environmental-footprint-california-dairy-cows-over-50-years <p>Producing a liter of milk in California emits less greenhouse gas and uses less land and water than it did in 1964, according to a <a href="https://www.journalofdairyscience.org/article/S0022-0302(20)30074-6/pdf">recent study</a> from researchers at the University of California, Davis.</p> <p>鈥淲e compared 1964 through 2014 and found a 50 percent reduction in greenhouse gases to produce the same quantity and quality of milk,鈥 said senior author Ermias Kebreab, professor and Sesnon Endowed Chair in the Department of Animal Science at 新澳门六合彩内幕信息 Davis. 鈥淭he magnitude of change is surprising.鈥</p> March 11, 2020 - 9:00am Amy M Quinton /food/news/study-examines-environmental-footprint-california-dairy-cows-over-50-years