A new look at trace mineral nutrition of poultry: can we reduce the environmental burden of poultry manure?
Steve Leeson (Department of Animal & Poultry Science, University of Guelph, Guelph, Ontario, Canada)
INTRODUCTION Trace mineral needs of poultry have received little attention over the last 40 years compared to other aspects of nutrition, such as energy and amino acids. A cursory review of information published in scientific journals over the last 15 years indicates only some 1.5% of research effort expended on trace minerals. Undoubtedly the major reason for this lack of interest lies in their r...