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L-Lysine, one of essential amino acids, is the first limiting amino acid for pigs and the second for poultry. The level of dietary L-Lysine concentration significantly influences on the growth performance and feed efficiency. Supplementing L-Lysine in dietary could balance the amino acid profile in the formula and fulfill the requirements of animals to optimize the technico-economic result of production.
Feed Grade Amino Acid Methionine, Lysine, Threonine China
Test Item | Specification |
Assay | ≥99.5% |
Specific rotation [α]D20° | +21.0°~ +25.0° |
PH | 5.6~6.1 |
State of solution(Transmittance) | ≥98.0% |
Chloride (Cl) | ≤0.02% |
Sulfate (SO4) | ≤0.02% |
Ammonium (NH4) | ≤0.02% |
Other amino acids | ≤0.5% |
Loss on drying | ≤0.2% |
Residue on ignition | ≤0.1% |
Iron(Fe) | ≤0.0015% |
Heavy metals | ≤10ppm |
Arsenic | ≤0.0001% |
Bacterial endotoxins | ≤25EU/g |



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