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2. Guía Técnica y de Buenas Prácticas para el Cultivo de Maíz Bt (Spanish)[Technical Guidelines and Good Practices for MON810 Cultivation];ANOVE,2016
3. Futtermittel Fuer Schweine/Bewertungsystem (German) [Pig Feed/Rating System];Bavarian State Research Center for Agriculture,2013
4. DLG-Merkblatt 347: Haltung von Jungmasthuehnern (German) [DLG leaflet 347: Broiler Husbandry];Berk,2008
5. Stikstofverteerbaarheid in Voeders Voor Landbouwhuisdieren (Dutch) [Nitrogen Digestibility in Feed Materials for Farm Animals];Bikker,2010