http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Handling fish fed to fish-eating animals
a manual of standard operating procedures
Animal and Plant Health Inspection Service.
Susan D. Crissey ; with the assistance of Susan Bunn Spencer.
Includes bibliographical references (page 21).
Animal Nutritional Physiological Phenomena