How important is protein quality when amino acids are what counts?

Weight: 
12
Answer: 
Soybeans with lower crude-protein content generally have higher proportions of the five most critical essential amino acids (lysine, threonine, tryptophan, methionine and cysteine) that drive livestock productivity. But measuring that amino acid balance accurately is challenging and expensive. So crude protein serves as the key indicator until the technology is more reliable. Meanwhile, let’s promote every advantage we can offer.