Abstract
ABSTRACT The use of by-products containing high fibre and protein has increased in pig feeding due to the need of the increase of the plant protein self-sufficiency of the EU. The aim of this experiment was to evaluate the effect of increasing by-products inclusion on growth performance and feed efficiency in growing-finishing pigs in the course of using a relatively high dietary NDF level in two-phase feeding system. Individually housed hybrid (DanBred) pigs (n = 60; 41 kg initial BW) were used in the trial. Control (CTR) feed was formulated without by-products, moderate (MLB) with 15% and 20% and high level of by-products feed (HLB) with 27% and 33% by-products, in phase 1 and 2, respectively. Experimental feeds were isocaloric on net energy (NE) basis. Pigs gained over 1000 g/d in all experimental groups for the whole trial and no significant (P > 0.05) treatment effect, sex and diet × sex interactions were observed.
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