The global demands of society to increase the amount of animal based food, to reduce the environmental impact and to improve animal welfare are developing parallel. In the digitalized world, livestock farming obtains new opportunities to become more efficient, transparent and animal friendly. Information and communication technologies (ICT) dominate innovation in many sectors, including food and agriculture. Farm management needs information and knowledge at different levels, from herd to individuals, to body organs or metabolism. Animals are the starting point and the aim of livestock management at these different levels. With examples from welfare management, emission control and milking technologies options will be shown how to improve the farm management in knowledge based circular bioeconomy.