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Amino acid additive capable of improving growth capacity and intestinal health of weaned pig

An additive and amino acid technology, applied in animal feed, animal husbandry, application, etc., can solve problems such as changes in intestinal mucosal structure, impaired intestinal barrier function in piglets, and increased permeability of intestinal epithelial barrier, so as to improve intestinal Intestinal health, improving intestinal immune function, and promoting the improvement of animal intestinal structure

Inactive Publication Date: 2015-03-25
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, weaning stress leads to early weaning syndrome in piglets, which leads to impaired intestinal barrier function in piglets, manifested as changes in the morphology and structure of the intestinal mucosa, increased permeability of the intestinal epithelial barrier, immunosuppression, and imbalance of intestinal microbial flora etc., which in turn lead to intestinal damage in piglets

Method used

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  • Amino acid additive capable of improving growth capacity and intestinal health of weaned pig
  • Amino acid additive capable of improving growth capacity and intestinal health of weaned pig
  • Amino acid additive capable of improving growth capacity and intestinal health of weaned pig

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 1 test material

[0044] The amino acid additive is composed of the following components in various mass percentages:

[0045] Threonine 20%; Leucine 25%; Arginine 25%; Isoleucine 20%; Glutamine 10%.

[0046] 2 Experimental Design and Animals

[0047] In this experiment, 20 28-day-old healthy “Du × Chang × Da” three-way hybrid piglets weaned were randomly divided into two groups according to the principle of similar body weight, namely the control group and the additive group:

[0048] Control group:

[0049] Feeding the basal diet shown in Table 1;

[0050] Additive group:

[0051] Feed the following diet: the cornstarch that accounts for 0.5% of the total weight of the diet in the basal diet shown in Table 1 is replaced by the diet obtained after the amino acid additive obtained in the embodiment;

[0052] Each group had 10 replicates, and each replicate had 1 piglet. The test period is 10 days.

[0053] 3 experimental diet

[0054] The basal diet is a corn-so...

Embodiment 2

[0095] 1 test material

[0096] The amino acid additive is composed of the following components in various mass percentages:

[0097] Threonine 10%; Leucine 30%; Arginine 30%; Isoleucine 10%; Glutamine 20%.

[0098] 2 Experimental Design and Animals

[0099] In this experiment, 32 healthy “Du × Chang × Da” three-way hybrid piglets weaned at the age of 28 were selected, and a 2 × 2 two-factor experimental design was adopted. According to the principle of similar body weight, they were randomly divided into 4 groups, each group 8 Repeated, 1 pig per replicate, the test period was 17 days.

[0100] Control group:

[0101] Feeding the basal diet shown in Table 1;

[0102] Additive group:

[0103] Feed the following diet: the cornstarch in the basal diet shown in Table 1, which accounts for 1.0% of the total weight of the diet, is replaced by the diet obtained after the amino acid additive obtained in the embodiment;

[0104] The four groups in the experimental design are: ① ...

Embodiment 3

[0123] 1 test material

[0124] The amino acid additive is composed of the following components in various mass percentages:

[0125] Threonine 15%; Leucine 30%; Arginine 30%; Isoleucine 15%; Glutamine 10%.

[0126] 2 Experimental Design and Animals

[0127] In this experiment, 509 28-day-old healthy “Du × Chang × Da” three-way hybrid piglets were selected and randomly divided into two groups according to the principle of similar body weight, namely the control group and the additive group:

[0128] Control group:

[0129] Feeding the basal diet shown in Table 1;

[0130] Additive group:

[0131] Feed the following diet: the cornstarch in the basal diet shown in Table 1, which accounts for 1.0% of the total weight of the diet, is replaced by the diet obtained after the amino acid additive obtained in the embodiment;

[0132]In the additive group, amino acid additives were used to replace the same amount of corn starch to constitute the experimental diet.

[0133] There w...

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Abstract

The invention discloses an amino acid additive capable of improving the growth capacity and intestinal health of a weaned pig. The effective constituents of the amino acid additive include threonine, leucine, arginine, isoleucine and glutamine. By adding 0.5-1.0% of amino acid additive to the basic ration of the piglet, the intestinal structure of the piglet can be improved, synthesis of intestinal mucous protein is promoted, the immunity of the intestinal tract is improved, in this way, the intestinal health of the piglet is improved, the diarrhea rate is the piglet is lowered, and the growth capacity of the piglet is improved.

Description

technical field [0001] The invention relates to an amino acid additive for improving growth performance and intestinal health of weaned piglets. Background technique [0002] In modern pig farming, early weaning of piglets is a technical measure to increase the annual productivity of sows and reduce the spread of diseases in sows and piglets. However, weaning stress leads to early weaning syndrome in piglets, which leads to impaired intestinal barrier function in piglets, manifested as changes in the morphology and structure of the intestinal mucosa, increased permeability of the intestinal epithelial barrier, immunosuppression, and imbalance of intestinal microbial flora etc., which in turn lead to intestinal damage in piglets. Therefore, research on intestinal injury repair and its nutritional regulation has attracted increasing attention. Contents of the invention [0003] The purpose of the present invention is to provide an amino acid additive for improving growth p...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/16
Inventor 毛湘冰
Owner SICHUAN AGRI UNIV
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