ColostRx CS Plus First Defense Technology Inside calf colostrum supplement provides important nutrients to newborn calves when maternal colostrum is in short supply or of poor quality. Recommended to supplement maternal colostrum when calf is exposed to harsh weather or likely to ingest mud or manure, experiences stressful birth or has difficulty suckling. Each dose contains guaranteed min 55 gms bovine globulin protein, plus min 50% crude protein, min 1% crude fat and max 0.5% crude fiber. Directions: Mix 1 packet (454 gms) with 1-1/2 quarts warm water, milk replacer or colostrum. Administer with nipple pail, bottle or esophageal feeder within 10 hours of birth. Made in the USA.