Abstract: This invention relates to a method of producing animal feed products.A method of producing animal feed products using rapeseed is described wherein rapeseed is mixed together with the species Vicia Faba (field beans) in predetermined proportions and the mix is extruded at a predetermined temperature to substantially inactivate components in the rapeseed and said species which otherwise directly or indirectly cause components in the extruded product which are detrimental when contained in an animal feed product.