l tract. It may also have other health benefits. The protein content of bovine colostrum is three to four times higher up to 150 grams per litre compared to 30 to 40 grams per litre than it is in regular cow's milk. The greater part of this protein is comprised of whey proteins. Immunoglobulins, mainly IgG, make up about 75% of the whey proteins. Other substances found in bovine colostrum include casein, lactoferrin, alpha-lactalbumin, beta-lactoglobulin, and the growth factors insulin-like grow