DOI: https://doi.org/10.5513/JCEA01/21.3.2658
Original scientific paper
Metabolizable energy and true digestibility of the protein of extruded of bakery by - products (bread wastes) in balanced experiments with poultry
2020, 21 (3) p. 517-521
Abstract
Using methods for balance experiments, the apparent (AMEn), the true (TMEn) metabolizable energy (0-n balance corrected) and the coefficient of true digestibility of the nitrogen/protein (CTDP) of extruded bread wastes have been studied. The chemical composition of the dry matter of the fodder was, as follow (in %): crude protein – 12.28; crude fats – 1.34; crude fiber – 2.28; NPE – 80.1. The following energy/protein levels in the DM have been established: (AMEn – 14.17 MJ/kg; TMEn
– 15.37 MJ/kg; CTDP - 84.15. The established nutritional values are similar to those of wheat, both fodders can be replaced each other in the production of compound feed for poultry.
Keywords
extruded bakery wastes, metabolizable energy, poultry, protein
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