Forestripping sends the strongest signal to the cow's brain to let down her milk. Proper stimulation really pays. After forestripping, you need to properly sanitize the teat surface. This can be done by washing with water and a udder wash or predipping. I personally find predipping is superior to any other approach.
Water is the biggest enemy of the farmer.
Bacteria cannot walk, but they can swim. Whenever water is used, there is a definite chance for increased environmental mastitis. Predipping is a very effective step in mastitis control. The dairy farmer must always select an approved product to predip with. In order to get the biggest impact from predipping, two things must happen.