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Single pelleting studies of wheat bran and condensed soluble solids for the production of feed pellets

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  MBSK 10-401,  ASABE/CSBE North Central Intersectional Meeting. (doi: 10.13031/2013.36287) @2010
Authors:   Elizabeth George, Bayartogtokh Rentsen, Lope G Tabil, Venkatesh Meda
Keywords:   Bran, condensed distillers solubles, moisture content, density, durability and dimensional stability, pelletization

Single pelleting studies of wheat bran and condensed distillers solubles (CDS) for the production of feed pellets were carried out. The bran obtained from the optimization studies of debranning wheat was mixed with CDS in varying ratios (10% CDS: 90% bran, 20% CDS: 80% bran and 30% CDS: 30% bran). The bran-CDS mixture was brought down to moisture of 12-14% by drying in cabinet dryer (35C and 40% RH). Pelleting of the sample was done using a single pelleting unit. The dimensions of all the pellet samples were measured and they were then stored in Ziploc bags at a controlled environment for 14 d. Test for pellet durability, density, dimensional stability, and moisture content were conducted immediately after pelleting and after 14 d of storage. Results indicated that moisture content plays a significant role on pellet durability, stability, and density. The mixture having 90% bran and 10% CDS produced pellets of higher durability, density and dimensional stability. Statistical analysis indicated that temperature variations had no effect on the durability and dimensional stability of pellets whereas a temperature of 60C had a positive effect on length and volume of the pellets.

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