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L-threonine is an essential amino acid. Threonine is mainly used in pharmaceuticals, chemical reagents, food fortification agents, feed additives, etc. It is often added to piglet and poultry feed as the second limiting amino acid and the third limiting amino acid. Especially in feed additives, its use is growing rapidly, it is often added to the feed of immature piglets and poultry, and is the second limiting amino acid in pig feed and the third limiting amino acid in poultry feed.

Threonine is an important nutrient fortifier, which can fortify cereals, pastries, dairy products, and has the same effect as tryptophan in restoring human fatigue and promoting growth and development. In medicine, because of the hydroxyl group in the structure of threonine, it has a water-holding effect on human skin, and combines with oligosaccharide chains, which plays an important role in the protection of cell membranes, and promotes the synthesis of phospholipids and the oxidation of fatty acids in the body. Threonine can promote phospholipid synthesis and fatty acid oxidation in the body. Its preparation has the medicinal effect of promoting human development and anti-fatty liver, and it is one of the ingredients in the compound amino acid infusion. At the same time, threonine is also a raw material for the manufacture of a class of highly effective hypoallergenic antibiotics - monoamylin.

1、It is used to balance amino acid and promote protein synthesis and deposition.

Threonine can eliminate the weight loss caused by excessive lysine and reduce the growth inhibition caused by excessive tryptophan or methionine; it can be absorbed into the body and transformed into other amino acids, especially when the feed amino acid imbalance is more obvious.

2、Improve feed intake

Threonine has a certain regulatory effect on feed intake, feed intake and daily weight gain with the rise of threonine level and increase; when more than the amount needed, with the rise of threonine level, feed intake and daily weight loss, that is, threonine is too much or too little will reduce feed intake and daily weight gain.

3、Immunity

Lack of threonine will inhibit the production of immunoglobulin and T.B lymphocytes, which will affect the immune function. Threonine is the main limiting amino acid in the molecule of avian immunoglobulin, and the addition of threonine can improve the antibody potency of chicks to Newcastle Disease Virus.

4、Regulate fat metabolism

Adding threonine to animal diets has a significant effect on body fat metabolism, which can promote phosphorus synthesis and fatty acid oxidation.

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