Abstract
Effect of regrinding dried distillers grains with solubles on finishing pig growth performance
Highlights
With the increasing price of corn and the associated increased price of dried distillers grains with solubles (DDGS), swine producers are continually looking for ways to make finishing pigs more efficient
For the overall experiment, no differences (P < 0.24) in growth performance were found. These data indicate that regrinding DDGS (95 μ reduction in particle size) was not a large enough difference to affect growth performance; more research is needed to evaluate a greater reduction in particle size than achieved in the present study
Many finishing pig diets currently include DDGS, which replaces a portion of the corn in the diet, but with the increase in DDGS use, little is known about how reducing DDGS particle size may influence growth in a commercial environment
Summary
With the increasing price of corn and the associated increased price of DDGS, swine producers are continually looking for ways to make finishing pigs more efficient. One method that has been proven to improve feed efficiency is finely grinding corn to decrease the particle size. For every 100 μ decrease in corn particle size, a 1.2% improvement in feed efficiency is expected. Many finishing pig diets currently include DDGS, which replaces a portion of the corn in the diet, but with the increase in DDGS use, little is known about how reducing DDGS particle size may influence growth in a commercial environment. The objective of this study was to determine the effects of regrinding DDGS on growth performance of finishing pigs from 77 to 270 lb
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