In addition to the conventional system, five alternative production systems were included in the
analysis. Three of these five systems, Gildehoen, Volwaard, and
Puur en Eerlijk, are considered as the middle-market segment. The
other two systems, Kemper–Mais Scharrelkip and organic, are
considered as the top-market segment. These six systems are
currently the most prevalent systems in the Netherlands (Ellen
et al., 2012). The requirements of the six selected systems are
shown in Table 1