A Study on the Use of Glycerol, a Byproduct of Biodiesel Production, as a Feed Ingredient for Fattening Pigs

Koppány, Gy.; Gregosits, B.; Hencz, I.
November 2011
Journal of Agricultural Science & Technology A;Nov2011, Vol. 1 Issue 7A, p1046
Academic Journal
A large quantity of glycerol as byproduct of biodiesel production process is produced world widely every year. Glycerol, one of renewable energy resource, has been used for industrial purposes including cosmetic and soap material, and recently glycerol is regarded as feed ingredient for animal feed. In this paper, we have tested the worth of glycerol as feed additive for pig feed. For the test we prepared three different feeds depending on the glycerol content, weight basis, of 0%, 5% and 8.5%, and measured weight gains and pork meat quality, stability of feed of three different groups of pig, 250 pigs each, for seven weeks. The data collected from this investigation proved that glycerol as feed additive can be a feed resource for pig feed.


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