na INLIS000000000000052 In 0010-1021000052 Proceeding of Alltech's twenty First annual symposium ALLTECH'S 21st Annual Symposium ALLTECH'S 21st Annual Symposium Nottingham Nottingham University Press 2005 ix, 462 p.: ill. 28 cm ISBN: 1-9-4761-12-7 - 30 ANIMAL FEEDS BIOTECHNOLOGY FOOD INDUSTRY. 43/BPT-C/2006