Recent trials conducted on large groups of growing pigs highlight an important theme: while crystalline amino acids allow for more precise diet formulation, there are practical limits to how far crude protein levels can be reduced without affecting performance.

Variability in soybean meal quality — even when subtle — can translate into meaningful changes in how efficiently pigs convert feed into gain.

The trials reinforced that synthetic amino acids cannot fully replace all functions of intact protein. In other words, there is a practical limit to how much soybean meal can be removed before pigs begin compensating in ways that hurt the bottom line.

Read the takeaways for producers from this research here.