Breeders

The growers - but two - all from Hans and Evert - Jan Eijerkamp.
The breeders of the species:

• Eijerkamp - Janssen
• Eijerkamp - Speed
• Eijerkamp - Fond
• Heremans - Ceusters
• Eijerkamp – Loon
• W. Geurtz et al. Haalderen