Check the listing for details. Colostrx CS, 350 gram packet. Condition: New. Listed at 124.23 USD. Colostrx CS Colostrum Supplement Delivers 50g of bovine IgG and a full dose of E.coli K99 antibody. Raising the bar on newborn calf immune support, Colostrx CS aids in the prevention of death associated with E. coli K99. Made from maternal bovine colostrum collected from U.S. Grade A dairies. 100% traceability. Tested and guaranteed to be antibiotic-free, synthetic hormone-free, and disease free. Colostrx CS contains: colostral fat proteins carbohydrates bioactive components antibodies Colostrx CS Features & Benefits: sourced from first-day colostrum 100% traceability tested for pathogens and antibiotics proven efficacy USDA licensed Directions for Use: Mix one packet with 1.5 quarts warm water, liquid milk replacer, or colostrum. For best results, administer with a nipple pail.