I doubt too much pure protein is your issue. Most cubes, tubs and liquid feeds include nonprotein nitrogen (NPN), typically in the shape of urea. This gives nitrogen, which rumen microbes combine with carbohydrates to manufacture proteins. Some lessen-quality nutritional supplements may well have high levels of NPN. My problem https://madbookmarks.com/story17479313/lost-calf-hat-co-no-further-a-mystery