In the 1920s the term cosmic rays was coined by Robert Millikan who made measurements of ionization due to cosmic rays from deep under water to high altitudes and around the globe. Millikan believed that his measurements proved that the primary cosmic rays were gamma rays, i.e., energetic photons.
A proper balance of grass and non-fibrous carbohydrates in the diet should increase intake and maximize milk production. In summary, high quality perennial grasses can fit well in the rations of high producing dairy cows. Figure: Impact of corn grain price on economic return for diets varying in forage to concentrate ratio.
We are traditional grass-fed livestock farmers, our cows, calves, bulls are on grass/hay exclusively. So, yes they can make it on grass. We have a couple thousand acres of state land that we are leasing and would like to know how well these animals are able to take care of themselves against coyotes and predators. We raise horned cows and keep about half our herd horned for the predator problem we might otherwise have.