The rearing of calves in outdoor climate barns is emerging in larger dairy farms. Problematic in terms of morbidity events and social structure is the continuous flow system with low offspring share. The calves (n = 441) were randomly divided into groups after 14 days of individual housing conditions. The all-in all-out rearing system (AIAO) and continuous flow (CF) differed in particular regarding the age difference within the groups. With the help of automatically based pedometer technology locomotoric and resting behavior of calves was investigated. The achieved results and the documented information, such as body mass development, morbidity and mortality rate suggest slight advantages of the AIAO.
«