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Pig feed and preparation method thereof

A technology of pig feed and premix, which is applied in the field of pig feed, can solve problems such as increasing the cost of environmental governance, unfavorable health of pigs, and impact

Active Publication Date: 2014-02-26
NANCHANG AONONG BIOLOGICAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Under the current intensive pig raising conditions, pig farm sewage has brought greater pressure on environmental pollution, increased the cost of environmental governance, and also brought adverse effects on the health of pigs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Embodiment 1: feed preparation

[0023] Feed composition: see Table 1 and Table 2

[0024] Table 1 1% premix formula

[0025] raw material name unit content Vitamin A KIU / kg 1600 Vitamin D KIU / kg 400 Vitamin E mg / kg 2000 Vitamin K3 mg / kg 400 Vitamin B1 mg / kg 150 Vitamin B2 mg / kg 400 Vitamin B6 mg / kg 300 Vitamin B12 mg / kg 1.2 niacin mg / kg 3000 pantothenic acid mg / kg 1500 folic acid mg / kg 75 biotin mg / kg 5 Choline chloride g / kg 50 Iron Glycinate g / kg 25 Zinc methionine g / kg 20 Manganese Amino Acid Chelate g / kg 10 copper methionine g / kg 0.8 yeast selenium mg / kg 15 potassium iodate mg / kg 80 corn cob carrier g / kg 880

[0026] Table 2 Test feed composition (unit: %)

[0027] Raw material composition Diet 1 Diet 2 Diet 3 Diet 4 Diet 5 corn 65.40 73.175 79.215 72.858 74.6...

Embodiment 2

[0033] Embodiment 2: effect test

[0034] 300 healthy growing pigs of the Wai Sanyuan "Du Changda" variety with a body weight of 25±1.2kg were randomly divided into 5 treatment groups, each treatment group had 6 replicates, and each replicate had 10 pigs. The experimental diet was formulated according to the nutritional requirements of pigs in the US NRC (2012). Five different combinations of amino acids and compound enzymes were set up, and five groups of test pigs were fed respectively. The test period is 90 days. During the experiment, the feeding management procedures and immunization procedures were carried out according to the conventional commercial pig feeding management manual. Treatment 1 refers to diet 1; treatment 2 refers to diet 2; treatment 3 refers to diet 3; treatment 4 refers to diet 4; treatment 5 refers to diet 5.

[0035] During the experiment, the feces, urine and blood of the pigs were collected on days 30, 60 and 90, respectively, and the contents...

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Abstract

The invention provides a pig feed and a preparation method thereof. The pig feed comprises 1 percent by weight of premix, a synthetic amino acid and a compound enzyme, wherein the synthetic amino acid is a mixture of L-lysine, DL-methionine, L-threonine and L-tryptophan; the compound enzyme is a mixture of protease, amylase, phytase, xylanase and beta-mannase. Compared with a common pig feed, the daily pig feed prepared from the synthetic amino acid and the compound enzyme has the advantages that the daily grain and the conversion efficiency of the feed are obviously increased, and fecal nitrogen and urine nitrogen are obviously reduced; the growth speed of pigs is increased, and the environmental improvement is facilitated; the growth of animals is not affected by the added synthetic amino acid; the reduction of the crude proteins of the daily pig feed facilitates the development of intestinal tracts, the villus height of duodenum in the intestinal tracts is increased, and the digestion and the absorption of proteins are facilitated.

Description

technical field [0001] The invention relates to the field of pig feed, in particular to a pig feed and a preparation method thereof. Background technique [0002] Under the current conditions of intensive pig farming, pig farm sewage has brought greater pressure on environmental pollution, increased the cost of environmental governance, and also brought adverse effects on the health of pig herds. The ammonia concentration in the pen increases and the growth rate of the pig herd decreases. By adding artificially synthesized amino acids and various compound enzymes to low-protein diets, it can effectively improve protein utilization efficiency, reduce the emission of ammonia nitrogen in the environment by pigs, and improve the environment. Contents of the invention [0003] The purpose of the present invention is to provide a kind of pig feed that effectively reduces the discharge of pig excretion species ammonia nitrogen and saves protein material. [0004] In order to ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K1/14A23K1/16A23K1/165A23K1/175
Inventor 肖俊峰
Owner NANCHANG AONONG BIOLOGICAL SCI & TECH
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