Your cows are converting low-energy diets (compared with diets fed to pigs and chickens) into one of the highest nutritionally-rich human foods: milk. This is like saying that one of us can eat only salads and run a marathon every day for around 300 consecutive days per year. Isn’t that incredible when you think about it? Read more about it in the original Progressive Dairy article.
[North America]/[United States (USA)]