In Automatic Milking Systems (AMS), cows are kept in a free stall barn equipped with one or several milking units (MU). The cows? activities in the system are CALLed cow traffic. There are three types of cow traffic systems: guided, partly-guided and free. Free systems have no gates, allowing the cows access to the feeding and resting areas at any time.

AbstractThis essay begins with a presentation of the complex set of problems which relate to the interaction between freedom of speech and the ban against discrimination based on a person's race, the colour of their skin or ethnic origin, confession of faith or sexual preference (BrB 16:8, incitement to racial hatred). Can conflicts arise between freedom of speech and the ban against discrimination? To shed light on this question, we have chosen to look at the issue from a new perspective. This perspective is based on the new challenges faced by Swedish society as a result of the changed composition of our population, our membership in the EU and our acknowledgment of certain international conventions concerning human rights.Fifty years ago our population almost solely comprised of ?native Swedes?.