
L-Threonine Feed Grade
CAS No. 72-19-5
Synonyms: 2-Amino-3-HydroxybutyricacidMolecular
Formula: C4H9NO3
Molecular weight: 119.12
Method of production: Microbial fermentation
Net weight: 25 kg net /bag, 950 kg net /bag
Package: Compound bag
Product shelf life: 3 years
Usage:
L-Threonine is used mainly in premixtures and pig feed, but also in poultry feed. it is the second limiting amino acid for pigs after Lysine and improves zootechnical performance and reduces nitrogen waste.
Ratio of L-threonine in feed for broilers and pigs is usually 0.3%.
Ratio of L-threonine in aqua feed is usually 0.15%.
| Item | Description | Standard |
| 1. | Appearance | White or sandy beige crystal powder |
| 2. | Identification | Corresponds to standard |
| 3. | Loss on drying, % | ≤ 0.5 |
| 4. | Heavy Metals (Pb), mg/kg | ≤ 20 |
| 5. | Arsenic (As), mg/kg | ≤ 2 |
| 6. | Assay (dried basis), % | ≥ 98.5 |
Order of limiting amino acids:
| First | Second | Third | |
| Growing pig | Lysine | Threonine | Tryptophan |
| Broiler | Methionine | Lysine | Threonine |
Origin: China
Packaging: 25kgs or 500kgs PP woven big bags
Storage: Store in a cool and dry place
Shelf Life: 2 years from date of manufacturer with proper storage conditions