Edwards, 2002. Univ. Newcastle, ADAS, DEFRA Document reference Edwards, S., 2002. Feeding organic pigs: A handbook of raw materials and recommendations for feeding practice. Univ. Newcastle, ADAS, DEFRAWeb http://www.britishpigs.org.uk/Newcastle_handbook_of_raw_materials.pdfCitation key Edwards, 2002Datasheets Brewers grains
