Udderly ColostrumUdderly Colostrum is a natural, whole bovine colostrum providing a full spectrum of immunoglobulins and bioactive polypeptides, including IgG and PRPs. Our colostrum comes from the critical first milking, providing superior amounts of IgG 1, protein, immune factors, growth factors, vitamins, and minerals. Unlike skim, fractionated or colostrum from later milkings, our first milking, whole colostrum provides essential phospholipids that enhance the