Your use of the Valley Vet Supply website is governed by our Terms of Use and Privacy Policy. Please read them carefully before browsing or using the site. If you are using a screen reader and are having problems using this website, please call 800-370-4838 for assistance.
Udder Seal is a sterile, antibiotic-free, off-white smooth paste. Ready-to-use syringes, each containing 4 g of intramammary infusion composed of 65% Bismuth Subnitrate, in a mineral oil vehicle. Udder Seal is indicated as an aid in the prevention of new intramammary infection throughout the dry period by providing a malleable barrier in the teat canal. This results in a reduction in the incidence of clinical mastitis in the dry period. Internal teat sealants perform the function of the keratin plug. They form an effective seal, they persist throughout the dry period, they strip out easily, and they are insoluble to milk and harmless to calves.