Soaring Popularity Of Grass-Fed Beef May Hit Roadblock: Less Nutritious Grass
National Public Radio
. . . What he’s found is a trend in the nutritional quality of grasses that grass-fed cattle (and young cattle destined for grain-heavy feedlots) are eating. Since the mid-90s, levels of crude protein in the plants, which cattle need to grow, have dropped by nearly 20 percent.