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1:L-lysine is an alkaline amino acid .It's also an essential and ketogenic amino acid in mammals .
2:L-lysine cannot be produced by the body and must be obtained from other nutrients .L-lysine level in Grains is relatively low .Although legumes are good sources of L-lysine ,its activity in Soybean Meal , a main feed raw material ,is quite low due to heat processing and long-term storage .
3:To improve amino acid balance and feed utilization ,a certain amount of L-lysine is often added to the feed .