Crystalline or feed-grade amino acids are added to swine diets to reduce
the addition of protein sources and offset diet costs. Feed-grade amino
acids are becoming more available commercially and also increasingly
cost-effective. The amount of feed-grade amino acids to use is determined
by the ingredients in the diets and the stage of production, but the proper
inclusion of feed-grade amino acids should not affect performance.
However, it is important to ensure a sufficient supply of nitrogen for
synthesis of non-essential amino acids when formulating diets with high
levels of feed-grade amino acids.
Currently, feed-grade sources of amino acids are commercially available
to replace lysine, methionine, threonine, tryptophan, valine, and isoleucine.
The digestibility of feed-grade amino acids is usually assumed to be 100%.
Quotations for direct import, contact us: import@rymaxglobal.com