Influence of the bread waste inclusion on the net utilization of energy and protein in the domestic quails (Coturnix japonica domestica) fattening

Dimo Penkov, Hristo Lukanov, Atanas Genchev, Alexandar Peltekov

Abstract: The influence of the including of 5 and 10% wastes from bread production in combined fodders for
domestic quails on the net utilization of the energy and the protein in the chain “fodder–breast/thigh
muscles” has been established. The indexes “Clarc of energy distribution (CED)” and “Clarc of protein
transformation (CPT)” have been used. Three groups of quails from specialized meat production line
WG have been used – control and two experimental: with the inclusion of 5 and 10% bread wastes.
All the fodders were isoenergetic and isoproteins. A ecrease of the net utilization of the energy and
the protein for both of the experimental groups has been identified. The following CED through the
chain “ME fodder - GE breast/thigh muscles” have been established: Control: male – 0.079 (7.90%),
female – 0.075 (7.50%); 5% bread wastes – respectively 0.075 (7.50%) and 0.071 (7.10%); 10% bread
wastes – respectively 0.078 (7.80%) and 0.068 (6.80%). СРТ in the same chain were, as follow: control
– 0.1432 (14.32%) and 0.1431 (14.31%); 5% bread wastes – 0.1395 (13.95%) and 0.1254 (12.54%); 10%
bread wastes – 0.1389 (13.89%) and 0.1236 (12.36%) respectively.

Keywords: Clarc of energy distribution; Clarc of protein transformation; fattening; WG quail strain

Date published: 2022-02-25