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The Influence of Energy and Protein on Turkeys during the Finisher Period

116A Animal Sciences Department, University of Missouri, Columbia, MO 65211; Phone: (314) 882-9427; FAX: (314) 882-6827

Correspondence: Jeffre D. Firman

Two experiments attempted to determine if reducing energy with increased protein during the finisher period would affect growth and body composition of male and female turkeys. Diets were formulated to provide protein at 100 and 115% of the National Research Council (NRC) levels and energy at 100 and 112% of the NRC recommendation. At the beginning of the finishing period, half of the birds were placed on a high protein/low energy finisher diet in an attempt to reduce body fat deposition. High energy/high protein diets improved body weight and feed:gain of both male and female turkeys. Dietary metabolizable energy (ME) and crude protein (CP) influenced body fat deposition of male and female turkeys. However, fat deposition can also be reduced in the finisher period by increasing the protein level of the diets.

Key Words: Carcass characteristics • dietary fat • energy • performance • protein • turkeys