-As feed additive,it is widely used in pig feed to add all kinds of pig feed,chicken feed,shrimp feed,eel feed ect. 

-It is the second limiting amino acid for pigs after Lysine and improves zootechnical performance. 

-It reduces nitrogen waste in the excrement and urine of animals so that the release of ammonia is slowed and the ammonia concentration is kept low in animal shed. 

-General if is used in conjunction with the lysine to further improve the qulity of feed. 

Name:L-Trytophen 98.5% 

Appearance: 

-   White or yellow-white crystal or crystalline powder. 

-   Odorless of slight odor. 

-   Slight bitter taste. 

-   Slightly soluble in water.

Usage&Dosage:
The recommended dosage in formula feed or complete feed