First Colostrum 350GM PACKET, First Colostrum supplement for newborn beef and dairy calves made with true bovine colostrum aids in the treatment of failure of passive transfer of immunity. Provides one full dose of E. coli antibody, plus 50 gm bovine origin IgG in 350 gm dose to aid in prevention of death associated with E. coli K99. Ideal for first and second feedings of colostrum. Meets the stringent standards of the USDA-Center for Veterinary Biologics. Directions: Mix 1 packet with 1.5 quarts clean, warm water. Feed by bottle, pail or esophageal feeder during first 24 hours of life. Made in the USA.