Leeson, Steven Commercial poultry nutrition / by Steven Leeson and John D. Summers - 3 ed. - Ontario, Canada : University books, 2005 - 398 p. + bib. c.1 fotocopia ISBN: 0-9695600 LCCN: 168474 Subjects--Topical Terms: Aves de corral--Nutrición Avicultura Dewey Class. No.: 636.5 L4 2005