The Perfect Udder Complete colostrum Management kit containing 10 - 4 quart colostrum bags, 1 nipple assembly, and 1 esophageal feeder. The Perfect Udder Colostrum Management Kit is the solution for handling colostrum from harvest to feeding without the fear of re-contamination, while also allowing the colostrum to be pasteurized, refrigerated, frozen, reheated, and fed through a nipple or esophageal feeder all from the same container. With its special heat conductive materials, the Perfect Udder allows complete pasteurization and also quick cooling and warming of the product.