HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Jones, F. T. Articles by Ferket, P. R. Search for Related Content PubMed Articles by Jones, F. T. Articles by Ferket, P. R.

Effect of Extrusion on Feed Characteristics and Broiler Chicken Performance

Department of Poultry Science, North Carolina State University, Raleigh, NC 27695-7608; Phone: (919) 515-5399; FAX: (919) 515-7070

Correspondence: F. T. Jones

Broiler feeds of identical formulas were fed to straight run broilers in the form of either non-heat treated mash, pellets, or extruded pellets to test the effect of feed processing on production parameters. Young broilers at 2wk old which were fed crumbled starter rations extruded prior to crumbling weighed more than birds fed crumbled starter rations that were pelleted prior to crumbling. However, when broilers received rations not crumbled following processing, birds fed extruded diets weighed less than those fed pelleted diets. Extruded feeds weighed less per unit volume than pelleted feeds. This density difference may account for the differences in body weights observed. The traditional ether extraction procedure detected a smaller percentage of the fat present in extruded feeds than did acid hydrolysis procedures. In addition, the extrusion process caused some protein and amino acid destruction. Therefore, extruded rations should be formulated at slightly higher nutrient density to compensate for nutrient destruction and loss of nutrient digestibility.

Key Words: Broiler feed • broiler performance • extrusion