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Premix for improving production performance of sow as well as preparation method and application of premix

A production performance and premix technology, applied in the field of pig breeding, can solve the problems of low production performance, insufficient feed intake of sows, insufficient milk, etc., to increase weaning weight, improve overall production performance, reduce weight loss and backfat loss effect

Inactive Publication Date: 2017-06-06
GUANGZHOU AONONG BIOTECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method that can effectively promote the feed intake and lactation of sows, enhance immunity, reduce morbidity, reduce weightlessness and backfat loss during lactation, reduce the Estrus interval after weaning, a premix for improving sow production performance and its preparation method and application, which can effectively solve technical problems such as insufficient feed intake, insufficient milk, postpartum diseases, and low production performance of sows

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0035] Select 48 grown binary sows with 75 days of gestation, and randomly divide them into 6 groups. The diets of each group are added according to the weight of the components of each premix in Table 1. The feeding time is 39 days (75 days - parturition). Each experimental sow is injected with 20-30 units of oxytocin at parturition. After about 10 minutes, 50 ml of milk samples are collected, centrifuged at 3000 g for 30 minutes, and the skim milk is stored in a refrigerator at -20 ° C. As a spare, the levels of prolactin (PRL) and growth hormone (GH) in milk were measured by radioimmunoassay, and the kit was provided by Nanjing Jiancheng Bioengineering Institute. The sows drank water freely, and recorded the litter size, birth weight and weaning weight of the sows respectively. The test results are shown in Table 2.

[0036] Table 1 Premix composition (g / Kg)

[0037] composition control group Example 1 Example 2 Example 3 Example 4 Example 5 arginin...

Embodiment 6

[0047] This embodiment is used to improve the premix of sow production performance. The premix includes the following components and the content of parts by weight in 1000 parts by weight: 23 parts of arginine, 7 parts of L-carnitine, 10 parts of folic acid, 8 parts of fructo-oligosaccharide, 110 parts of astragalus polysaccharide, 105 parts of glyceryl butyrate, 100 parts of Bifidobacterium bifidum probiotic powder, 0.15 part of chromium picolinate, and the rest as carrier.

[0048] Among them, the effective live bacteria content of Bifidobacterium bifidum probiotic powder is ≥2.5×10 6 CFU / g. The mass content of the active ingredient in the chromium picolinate is ≥99%, the mass content of the chloride is ≤0.03%, and the loss on drying of the chromium picolinate is ≤2%.

[0049] The preparation method of the premix that this embodiment is used to improve the performance of sows specifically comprises the following steps:

[0050] Step (1): based on 1000 parts by weight, prep...

Embodiment 7

[0057] This embodiment is used to improve the premix of sow production performance. The premix includes the following components and the content of parts by weight in 1000 parts by weight: 17 parts of arginine, 8 parts of L-carnitine, 13 parts of folic acid, 12 parts of fructo-oligosaccharide, 140 parts of astragalus polysaccharide, 90 parts of glyceryl butyrate, 80 parts of Bifidobacterium bifidum probiotic powder, 0.18 part of chromium picolinate, and the rest are carriers.

[0058] Among them, the effective live bacteria content of Bifidobacterium bifidum probiotic powder is ≥2.5×10 6 CFU / g. The mass content of the active ingredient in the chromium picolinate is ≥99%, the mass content of the chloride is ≤0.03%, and the loss on drying of the chromium picolinate is ≤2%.

[0059] The preparation method of the premix that this embodiment is used to improve the performance of sows specifically comprises the following steps:

[0060] Step (1): based on 1000 parts by weight, pre...

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Abstract

The invention relates to a premix for improving the production performance of a sow as well as a preparation method and application of the premix. The premix is prepared from the following components in parts by weight: 10-30 parts of arginine, 5-12 parts of L-carnitine, 1-15 parts of folic acid, 5-20 parts of fructose-oligosaccharide, 50-150 parts of astragalus polysaccharide, 50-150 parts of butyrin, 50-120 parts of bifidobacterium bifidum probiotic powder, 0.1-0.2 part of chromium picolinate and the balance of carrier based on 1,000 parts by weight, wherein the premix is added to a basic ration of the sow at 1-4% of total mass of the basic ration of the sow. Compared with the prior art, the premix has the advantages that the sow feed intake and the lactation yield can be effectively promoted by the premix; the weight loss and the backfat loss of the sow at the lactation period can be reduced; the heat interval after weaning is shortened; the whole production performance of the sow is improved; and the problems of insufficient sow feed intake, insufficient milk, postpartum diseases and low production performance are effectively solved.

Description

technical field [0001] The invention belongs to the technical field of pig breeding, and relates to a premix for improving the production performance of sows, a preparation method and application thereof. Background technique [0002] Intensive, standardized and large-scale farming has become the main development direction of the pig industry at home and abroad. The rapid development has also caused a series of problems, among which sow PSY and sow nutrition are increasingly concerned by people. Modern sow breeding also has more demanding nutritional requirements, which makes sow feeding the key link that requires the most advanced technology in modern pig production; at the same time, the pressure to increase milk production makes sows more and more trapped in nutritional stress , The satisfaction of nutrition directly affects the full play of its reproductive potential. [0003] The physiological factors affecting sow production performance are very complex. Therefore, it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/30A23K20/142A23K20/10A23K20/174A23K20/163A23K20/158A23K10/18
Inventor 肖丽萍周盛昌李同刚姜文施建成杨伟春周通叶俊标吴有林
Owner GUANGZHOU AONONG BIOTECH
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