Often copied never matched
On average a DeLaval liner goes through a three-year long R&D process before being released onto the market. You see, that’s how long it takes to develop a liner that provides optimal milking performance while delivering premium milk quality, day after day.
What's the risk with old liners?
The liner is the only component of the milking machine that comes into direct contact with the cow's teat. Therefore, it is one of the key components in the process of milking cows quickly, gently and completely. Although many people try to squeeze a few more weeks or months from the liners in a dairy, this is almost always a poor option for the most important component of the milking machine.
Read more on Milkproduction.com