Due to the increasing demand for organic dairy products and the running out of the transitional period of the EG-Regulation on Organic Farming 1804/1999 in the year 2010 many farmers must decide to build new barns. Two examples from Bavaria are given as a prospect of the conception and the development of barn buildings. The cow kennel of Küfner – Naiser is significant for its arrangement of two unroofed yards within the barn. The flat extensive roof planting of the Haneberg barn works as buffer for extreme changes of temperature. It is also remarkable for its sophisticated integra-tion of the existing building into the new conception
