Essential amino acids
Methionine
Methionine, as one of the essential amino acids, improves the amino acid balance and consequently promotes reproduction ...
Lysine
Lysine is an essential α-amino acid used in poultry diets to ensure balanced nutrition and flock performance. The main r...
Threonine
In addition to methionine and lysine, the aliphatic amino acid threonine is an important growth factor, gut morphology, ...