For teat dipping or spraying in mastitis control. Suitable dips are Hibitane 1 in 5000, iodine preparations containing 100 ppm free iodine or chlorine solutions containing 800–1200 ppm of free chlorine, linear dodecyl benzene sulfonic acid.
- barrier t. d. — application of materials, latex or rubber-based, which physically protect the teat sphincter against infection; the common disadvantage is the difficulty in removing the material when milking commences.
