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Amino acid feed definition
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Amino acid feed definition

Views:9     Author:Site Editor     Publish Time: 2020-03-18      Origin:Site

Amino acid feed definition

Amino acid feed is a very common feed, and almost all people who farm animals use amino acid feed. And they all think this kind of feed is great, but if you are a newcomer to the farm, don't buy amino acid feeds at will, because it has the benefits of improving protein utilization and feed conversion rate and increasing resistance, but it also depends on different Need to buy different types. This article will detail the knowledge of various amino acids.


The article contains the following:

  • Several different amino acid feeds

  • The use of amino acid feed

  • Concluding

 

 

1. Several different amino acid feeds

  • L-Lysine

The only amino acid in a protein with a side chain primary amino group. L-lysine is an essential amino acid and a ketogenic amino acid in mammals. Lysine in proteins can be modified into various forms of derivatives. Symbol: K. Since the lysine content in cereal foods is very low and is easily destroyed during processing, it is called a first limiting amino acid. Adding 0.5% lysine to pig feed can improve feed utilization. It can also inhibit mold growth.


  • DL-Methionine

Methionine is the second limiting amino acid in feed. Methionine is not only required for nutrition, but it can greatly inhibit the growth of various mycotoxins (such as aflatoxin), and thus has a health-care effect on poultry.


  • L-Threonine

L-threonine has two asymmetric carbon atoms and can have four isomers. It is an essential amino acid and a ketogenic amino acid in mammals.


Threonine is the second limiting amino acid of barley, wheat and sorghum. It is the third limiting amino acid of corn and is also lacking in other grain feeds.


Threonine has been shown to be the third limiting amino acid after chicken feed relays methionine and lysine.


  • L-Tryptophane

L-tryptophan is an essential amino acid and a raw sugar amino acid in mammals.


Lack of tryptophan can lead to decreased feed intake, growth retardation, and rough coat. Tryptophan cannot be synthesized in animals, and tryptophan in plant feeds usually cannot meet the needs of livestock.

 

2, The use of amino acid feed

  • 1 meet the needs of animal growth, improve amino acid balance and improve feed utilization

The addition of limiting amino acids can improve the balance of amino acids in the diet, so as to fully play the role of other amino acids, without increasing the protein content to meet the animal's need for amino acids, saving protein resources, promoting animal growth and improving feed diets. Utilization rate. Production practices and feeding trials have shown that lysine and methionine are usually limiting amino acids in livestock and poultry. A small amount of addition can promote livestock production and improve feed utilization.


  • 2 improve the quality of meat

The addition of lysine to the feed can improve carcass quality and increase lean meat. According to the data, 20% to 30% of lysine in the European market is used for the purpose of increasing lean meat. In addition, the addition of methionine can also improve protein deposition in chicks and broilers and reduce fat deposition.


  • 3 promote the absorption of calcium

Lysine can promote the absorption of calcium in the small intestine. The mechanism may be that calcium and protein specifically bind to calcium-binding protein (CaBP) to promote the absorption of calcium in the intestinal mucosa, while CaBP contains a large amount of lysine. (Chicken CaBP contains about 11% lysine). When lysine is insufficient, CaBP synthesis decreases and calcium absorption decreases.



  • 4 can resist stress disorder

Adding methionine can reduce the feathering and anal sputum of poultry. When animals absorb unbalanced amino acids, they produce self-nutritive stress. Adding glycine can stop the stress caused by excess amino acids. The researchers believe that this is due to the physiological role of tryptophan in the blood and brain through its metabolite 5-hydroxytryptophan.



  • 5 improve disease resistance

Tryptophan increases the body's Y-globulin content, thereby enhancing disease resistance. This kind of use of drugs instead of relying on nutrition to improve disease resistance has received increasing attention.



  • 6 prevent animal diarrhea

Increased protein concentration, increased metabolism, increased burden of developing kidneys, increased body fluids, and increased drinking water are one of the causes of diarrhea in piglets. Therefore, the use of low protein feeds, the addition of limiting amino acids is one of the ideal strategies to solve this problem.

 

3、Concluding

The above is the introduction of amino acid feeds. Different names express their different ingredients, and different ingredients make them have different effects. Pay attention to these when using to make the amino acid feed more effective for our animals.


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