Researchers from Washington State University, Pullman, found that organic milk contains significantly higher concentrations of heart-healthy fatty acids compared to milk from cows on conventionally managed dairy farms. That is because cows consume more pasture and forage-based feeds on organic dairy farms.
The researchers tested nearly 400 samples of organic and conventional milk over an 18-month period. Conventional milk had an average omega-6 to omega-3 fatty acid ratio of 5.8, more than twice that of organic milk’s ratio of 2.3.