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Composite acidifier for reducing post-weaning diarrhea rate

A technology for weaned piglets diarrhea and compound acidifier, which is applied in the application, animal feed, animal feed and other directions to achieve the effect of reducing diarrhea rate, enhancing production performance and saving feeding cost

Active Publication Date: 2013-03-13
重庆优宝生物技术股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Through searching, it is found that at present, there is no literature report at home and abroad that the acidifying agent is adsorbed and carried by silica gel to overcome the above defects.

Method used

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  • Composite acidifier for reducing post-weaning diarrhea rate
  • Composite acidifier for reducing post-weaning diarrhea rate
  • Composite acidifier for reducing post-weaning diarrhea rate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The preparation of embodiment 1 compound acidulant

[0021] (1) Dilute 550g of sodium silicate to an aqueous solution of sodium silicate with a silica concentration of 12% (W / V);

[0022] (2) Mix half of the sodium silicate aqueous solution prepared in step (1) with 30% (W / V) hydrochloric acid solution at 30°C under constant stirring to obtain acidic silica sol;

[0023] (3) Heat the other half of the sodium silicate aqueous solution prepared in step (1) to 65°C, add 30% (W / V) hydrochloric acid solution, add the acidic silica sol obtained in step (2) while stirring, and add 20 g of ethyl acetate Ester, heat preservation and aging for 0.5h, spray drying at 450°C to obtain carrier silica gel;

[0024] (4) Mix the carrier silica gel obtained in step (3) with 315g of citric acid, 315g of formic acid, 220g of lactic acid and 158g of butyric acid, stir, filter after standing, and dry the filter cake to obtain a compound acidulant.

Embodiment 2

[0025] Embodiment 2 The preparation of compound acidulant

[0026] (1) Dilute 550g of sodium silicate to an aqueous solution of sodium silicate with a silicon dioxide concentration of 15% (W / V);

[0027] (2) Mix half of the sodium silicate aqueous solution prepared in step (1) with 25% (W / V) hydrochloric acid solution at 30°C under constant stirring to obtain acidic silica sol;

[0028] (3) Heat the other half of the sodium silicate aqueous solution prepared in step (1) to 60°C, add 25% (W / V) hydrochloric acid solution, add the acidic silica sol obtained in step (2) while stirring, and add 25g ethyl acetate Ester, heat preservation and aging for 0.5h, spray drying at 450°C to obtain carrier silica gel;

[0029] (4) Mix the carrier silica gel obtained in step (3) with 315g of citric acid, 315g of formic acid, 160g of lactic acid and 160g of butyric acid, stir, filter after standing, and dry the filter cake to obtain a compound acidulant.

Embodiment 3

[0030] Example 3 Effect of compound acidifier on performance and diarrhea rate of weaned piglets

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PUM

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Abstract

The invention relates to a composite acidifier for reducing post-weaning diarrhea rate, and the composite acidifier comprises citric acid, formic acid, lactic acid and butyric acid at the mass ratio of 1:1:(0.5-0.8):0.5; and the citric acid, the formic acid, the lactic acid and the butyric acid are carried by being absorbed by silica gel. The composite acidifier can be used for increasing the daily feed intake and the daily gain of piglets, reducing the material weight ratio, saving the feeding cost and reducing the diarrhea rate of the piglets.

Description

technical field [0001] The invention belongs to the technical field of feed additives and relates to a compound acidifier for reducing the diarrhea rate of weaned piglets. Background technique [0002] In order to maximize the reproductive performance of sows, early weaning of piglets (3-4 weeks old) is a commonly used method in production. However, due to the immature development of the digestive system of early weaned piglets, the regulation mechanism of nerves and endocrine has not been fully established, so after weaning, the piglets are prone to slow growth, diarrhea rate and death during the transition from sucking breast milk to eating solid feed Increased rates of weaning stress syndrome. In particular, the high pH in the intestinal tract of weaned piglets will not only affect the activity of digestive enzymes in the small intestine, but also cause the proliferation of pathogenic bacteria, resulting in nutritional or pathogenic diarrhea in piglets. [0003] It has ...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/16
Inventor 任丽孟怀旺
Owner 重庆优宝生物技术股份有限公司
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