A natural source of specific immunoglobulins Forty grams of Calf FYX should be added to and mixed with day one liquid colostrum. For best results, Calf FYX can then be mixed into transition milk for the next 14 days at 4 to 10 grams per day. Calf FYX ingredients include: Antibody infused, pasteurized and spray dried whole egg. Dextrose. Silica (flow agent)