Herman Lutke Schipholt is a Demeter farmer and is responsible for organizing the rearing of ÖTZ animals in Switzerland. In cooperation with Nina Griessmeyer vom Büelhof chicks are hatched and reared on various farms in Switzerland. 

The Demeter certified farm Hof Blumeninsel is a special place. With care and attention to detail, Simon Wolf raises ÖTZ young animals in small-scale farming structures. In addition to rearing, the farm also runs a hatchery and grows vegetables and flowers for direct marketing.

On the farm certified according to Demeter and Bioland standards Hof Heidegeflügel Bremer the preservation of genetic diversity is a top priority. A valuable contribution to biodiversity and the survival of old breeds. In addition to breeding her own Robusta turkeys, Christine Bremer breeds and raises various old breeds as well as ÖTZ young stock. In addition to breeding her own robust turkeys, Christine Bremer also breeds and raises various old breeds and ÖTZ young stock on a farm.

Certified according to Bioland standards Dorn und Schmidt GbR is run by two families who are passionate about organic poultry farming, breeding and meat marketing. In addition to chicks and young animals from the ÖTZ, ducks and various pedigree poultry in organic quality can also be purchased here.

The poultry farm Geflügelhof Schubert is a traditional Demeter-, Naturland- and Bioland-certified family business with a focus on rearing pullets and an attached artisan processing kitchen for high-quality cock meat products. ÖTZ young animals are reared all year round.