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A feed additive that can promote intestinal development of weaned piglets

A feed additive and intestinal development technology, applied in animal feed, animal feed, additional food elements, etc., can solve the problems of endogenous nucleotide shortage and lack, so as to improve feed conversion rate, reduce diarrhea, and increase survival rate Effect

Active Publication Date: 2020-07-14
NANJING TECH UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, weaned piglets lack the energy and glutamine required for nucleotide synthesis, which results in a shortage of endogenous nucleotides and requires supplementation of exogenous nucleotides
[0007] At present, there are many reports on the single application of prebiotics, probiotics and nucleotides, but few reports on the combined application of these three

Method used

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  • A feed additive that can promote intestinal development of weaned piglets
  • A feed additive that can promote intestinal development of weaned piglets
  • A feed additive that can promote intestinal development of weaned piglets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4

[0031] The composition ratio of feed additives is shown in Table 1, and parts are parts by weight.

[0032] Table 1

[0033]

Embodiment 5

[0035] Test animals and groups:

[0036] A total of 300 weaned piglets with similar body weight and about 30 days old were selected and randomly divided into 5 groups according to their initial body weight, which were control group and experimental group 1-5. There were 6 replicates in each group, and 10 pigs in each replicate. Each treatment was fed with the corresponding diet, and the whole experiment was free to eat and drink. The feeding and management methods were determined according to the specific conditions of the test site.

[0037] Control group: the basal diet was determined according to the conditions of the test site, without any change, and its formula and nutritional components are shown in Table 2;

[0038] Test group 1: Add 0.1wt% of the feed additive in Example 1 to the basic diet formula;

[0039] Test group 2: Add 0.1wt% of the feed additive in Example 2 to the basic diet formula;

[0040] Test group 3: Add 0.1wt% of the feed additive in Example 3 to the...

Embodiment 6～9

[0053] The composition ratio of feed additives is shown in Table 4, and parts are parts by weight.

[0054] Table 4

[0055]

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PUM

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Abstract

The invention discloses a feed additive capable of promoting intestinal development of weaned piglets. The additive is composed of the following components in parts by weight: 1-6 parts of prebiotics, 1-6 parts of probiotics, and 1-5 parts of nucleotides . The feed additive of the present invention realizes the reasonable ratio of prebiotics, probiotics and nucleotides, can effectively improve the intestinal development of weaned piglets, enhance immunity, and reduce the influence of weaning stress on intestinal metabolism of piglets; Piglet diarrhea, improve survival rate, replace antibiotics; improve feed conversion rate, increase economic value, etc. This is of great significance to modern scientific, intensive and large-scale pig production.

Description

technical field [0001] The invention relates to the field of feed additives, in particular to a feed additive that can promote the intestinal tract development of weaned piglets. Background technique [0002] The research and application of feed formula for early weaned piglets is directly related to the growth and performance of weaned piglets in the future. In my country, compared with the traditional weaning age of piglets, weaning at the age of 21 to 35 days is generally called early weaning, and weaning before 21 days is called super early weaning. However, early weaned piglets, especially ultra-early weaned piglets, face problems such as immature digestive tract, poor gastrointestinal function, immune insufficiency, and low disease resistance, and weaning is also related to the physiological, psychological, environmental and nutritional status of piglets. These will cause piglet allergies, decreased feed intake, low feed utilization, and delayed growth and development...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/30A23K50/60A23K20/163A23K10/18A23K20/153
CPCA23K50/60A23K50/30A23K10/18A23K20/153A23K20/163Y02P60/87
Inventor 陈晓春张磊汤亦文周昌祝应汉杰
Owner NANJING TECH UNIV
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