Based on literature and experience from own research the most common alternative rearing systems for laying hens, their management as well as typical production figures were described. The pullets' needs and other welfare aspects were also considered. Using a questionnaire, data from 32 hen-houses (10 conventional and 6 organic barn systems, 10 conventional and 6 organic aviary systems) about duration and number of working procedures were collected and exemplary models for two sizes of hen houses in each system were calculated. An economical evaluation was performed on the basic of a production branch analysis for which data from 16 farms were recorded by questionnaire. 4 models for conventional and organic barn systems and conventional and organic aviary systems were calculated.