18 novembre 2015 ~ 0 Commentaire

Twin Screw Extrusion Processing of Feed Blends Containing Distillers Dried Grains with Solubles (DDGS)

Extrusion trials were conducted with varying degrees of distillers dried grains with solubles (DDGS) alongside soy flour, corn flour, fish meal, vitamin blend, mineral mixture, and net protein content material adjusted to 28% utilizing a Wenger TX-52 twin-screw extruder. The homes of extrudates were studied in experiments conducted using a full-factorial style with three degrees of DDGS content, two degrees of moisture content material, and two levels of screw quickness. Raising the DDGS content from 20 to 60% led to a 36.7% decrease in the radial growth, resulting in a 159 and 61.4% increase in the unit density and bulk density of the extrudates, respectively. Raising the DDGS content led to a significant upsurge in the twin screw extruder manufacturer drinking water absorption index (WAI) but a substantial decrease in the normal water solubility index (WSI) of the extrudates. Changing the screw rate and moisture content had no significant effect on the radial expansion ratio but led to a big change in the bulk density of the extrudates, which might be as a result of occurrence of longitudinal growth. Despite the fact that changing the dampness screw and content velocity had no significant influence on the WSI of the extrudates, significant distinctions in the WAI of the extrudates had been observed. The ingredient components in the mix and moisture content had an impact on the color changes of the extrudates, as do the biochemical adjustments occurring inside the barrel during processing. Overall, it was determined that DDGS could possibly be included for a price of up to 60% employing twin-screw extrusion, and that viable pelleted floating feeds could be produced.

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