J. Appl. Poult. Res.
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J APPL POULT RES 1997. 6:391-398
© 1997 Poultry Science Association
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Research Reports

The Influence of Feed Milling, Enzyme Supplementation, and Nutrient Regimen on Broiler Chick Performance

Tom A. Scott

Agriculture and Agri-Food Canada, P. O. Box 1000, Agassiz, BC V0M 1A0, Canada; Phone: (604) 796-2221, Ext. 254; FAX: (604) 796-0359

Mary Lou Swift

Pro Form Feeds Inc., P. O. Box 1000, Chilliwack, BC V2P 6J6, Canada

Michael R. Bedford

Finnfields Intl., Market House, Ailesbury Court, High Street, Marlborough - Wiltshire, UK SN8 1AA

Correspondence: Tom A. Scott

The present study was designed to compare the effect of feed form (pelleted vs. expanded) of wheat-barley-based diets, and the interaction between feed form and enzyme supplementation and nutrient level of the diets. Male broiler chicks were fed 1 of the 12 diet combinations differing in feed form (expanded vs. pelleted), enzyme supplementation, and nutrient level.

Initial analysis clearly demonstrated that performance of broilers fed the wheat-barley-based diets benefited from enzyme supplementation. Expanded diets supplemented with enzymes resulted in an overall improvement in feed:gain ratio (1.66) compared to pelleted (1.71) diets. This study indicates that feed mills with the capacity to either expand or pellet diets should consider a combination, using pelleted/crumbled feed for the starter period followed by expanded feed for the grower and finisher diets. Our results also indicate the advisability of supplementing all wheat-barley-based diets with enzymes.

Key Words: Broilers • enzymes • expanded feed • feed milling • nutrient regimen






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