I doubt too much pure protein is your dilemma. Most cubes, tubs and liquid feeds have nonprotein nitrogen (NPN), usually in the shape of urea. This delivers nitrogen, which rumen microbes Merge with carbohydrates to manufacture proteins. Some reduce-top quality supplements may perhaps incorporate higher amounts of NPN. My issue https://cristianuqifw.tinyblogging.com/5-tips-about-lost-calf-hats-you-can-use-today-69627559