crude glycerin and/or soyabean oil can partial replacement maize in feedlot diet

What is it about?

Increase in global biofuel production and human utilisation, although controversial, has resulted in high prices of agricultural products, including maize, an important feed grain for livestock, which has increased the demand for alternative energy sources in animal feed.Crude glycerin (CG), a co-product of biodiesel production, is an ingredient that can replace maize in ruminant diets, and its production has the potential for continuous growth in the future and another alternative source used to increase the energy density in diets for increased animal production is lipids.

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Why is it important?

lipid supplementation could cause negative effects on the DMI and diet digestibility when the diethyl ether extract content exceeds 70 g/kg. However, CG could partially inhibit ruminal lipolysis and modulate the release of UFA in the rumen, and could thereby reduce the deleterious effects of UFA on ruminal fermentation. Thus, CG associated with lipids could be an alternative energy source and could constitute a useful strategy for the partial replacement of maize in cattle diets.