Cow's nipple-medicated bath is one of the effective measures to prevent subclinical mastitis. Film-forming herbal preparation for nipple dipping prepared by Tianjin Institute of Animal Husbandry and Veterinary Medicine contains antibacterial Chinese-medicine and film materials. It can inhibit the activity of Staphylococcus aureus, Streptococcus agalactiae and Yeasts in cow mastitis. It can also build a physical block to prevent pathogenic microorganisms invade the breast tissue from the nipple. In this stud...