Effects of Increasing Concentrations of Distillers Dried Grains with Solubles (DlDGS) on Growth Performance of Weaning Pigs
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چکیده
Feeding low concentrations of DDGS early in the nursery period does not help to maintain growth performance when high concentrations of DDGS are incorporated in the diets during the late nursery period. Summary The objective of this experiment was to evaluate growth performance of weanlingpigs introduced to low concentrations (5%) of DDGS duringphase 2 of the nursery period followed by high concentrations (30%) duringphase 3 of the nursery period Overall (day 0 to 42), pigs fcd 5 or 30% DDGS in phasc 2 (and 30% DDGS in phase 3) had decreased (P < 0.05) avenage daily gain (ADG) compared to control pigs. In addition, pigs fed 30% DDGS (duringphase 2 and 3) had decreased (P < 0.05) body weight (B W) compared to control pigs and pigs that only received DDGS duringphase 3. However, pigs fed 0 % DDGS dur-ingphase 2 followed by 30% DDGS in phase 3) had sinlilur Bl/t: ADG and average daily feed intake compared to pigs fed the control diet. This research indicates that the inclt~sion of DDGS duringphase 2 of the ntlrsery may negatively afect growth performance, particularly when followed by inclt~sion of high concentrations of DDGS duringphase 3 ofthe nursery period. However, growth performance nzay be maintained when high concentrations of DDGS are included in the diets of pigs (with no previous exposure lo DDGS) lule in h e nursery period.
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Productive Performance of Laying Hens Fed Different Levels of Distillers Dried Grains with Solubles with or without Certain Feed Additives
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