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Quercus variabilis/quercus acutissima cupule extract feed additive for broilers and application of quercus variabilis/quercus acutissima cupule extract feed additive for broilers

A technology of feed additives and extracts, applied in the field of feed additives for broiler rubber bowl extracts, to achieve the effects of promoting meat quality and immune organ development, simple extraction process, and large industrial application prospects

Pending Publication Date: 2020-05-12
INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there have been no reports on the application of oak bowl extract in poultry production and its replacement of antibiotics at home and abroad

Method used

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  • Quercus variabilis/quercus acutissima cupule extract feed additive for broilers and application of quercus variabilis/quercus acutissima cupule extract feed additive for broilers
  • Quercus variabilis/quercus acutissima cupule extract feed additive for broilers and application of quercus variabilis/quercus acutissima cupule extract feed additive for broilers
  • Quercus variabilis/quercus acutissima cupule extract feed additive for broilers and application of quercus variabilis/quercus acutissima cupule extract feed additive for broilers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: the preparation of oak comb extract

[0019] Weigh 80kg of the raw material of the rubber bowl and place it in the extraction tank, add first-grade water at 60°C according to the ratio of solid to liquid 1:10, take an oil bath at 60°C-80°C, extract for 2 hours, repeat the extraction 3-4 times, and combine the extracts. According to the ratio of 0.1g / L, tannase was added and fermented for 12 hours. The fermented liquid was frozen and settled overnight, filtered, and the supernatant was concentrated under reduced pressure at 45°C to 1 / 4 of the original volume, and the concentrated liquid was freeze-dried to obtain 17.7kg of extract, the tested tannin content is 73.4%.

Embodiment 2

[0020] Embodiment 2: broiler breeding experiment

[0021] Select 648 healthy 1-day-old AA male broilers with similar body weight, and randomly divide them into 6 groups, with 6 repetitions in each group and 12 chickens in each repetition. Add rubber bowl extract feed additive (VT-1 group) in basal ration, set antibiotic (chlortetracycline) control group (addition amount 300g / t) and commercially available similar commodity tannin control group (addition amount 200g) at the same time / t). The experiment was carried out in an online flat raising mode, with free access to food and water. The initial temperature of the experiment was 35°C, and then decreased by 2-3°C every week until it dropped to 26°C. Other management measures such as light, ventilation and immunity are carried out according to the feeding management manual. The diet was formulated and pelleted according to NRC (1994) nutritional requirements of broiler chickens. The composition and nutritional level of the bas...

Embodiment 3

[0028] Embodiment 3: broiler breeding experiment

[0029] Select 648 healthy 1-day-old AA male broilers with similar body weight, and randomly divide them into 6 groups. Each group has 6 repetitions, and each repetition has 12 chickens. Add rubber bowl extract feed additive (VT-2 group) in basal ration, set antibiotic (chlortetracycline) control group (addition amount 300g / t) and commercially available similar commodity tannin control group (addition amount 200g) simultaneously / t). The breeding experiment was carried out as described in Example 2. Calculate the average daily gain (ADG) of each group at the age of 1-21 days, 22-42 days, and 1-42 days. During the whole test period, the feeding amount of chickens in each group was recorded, and the average daily feed intake (ADFI) of each group was calculated according to the age of 1-21 days, 22-42 days, and 1-42 days. Stage feed conversion ratio (FCR).

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Abstract

The invention provides a quercus variabilis / quercus acutissima cupule extract feed additive for broilers and an application method of the quercus variabilis / quercus acutissima cupule extract feed additive for broilers, and belongs to the field of feed production. The quercus variabilis / quercus acutissima cupule extract feed additive for broilers is prepared through the following process of with quercus variabilis / quercus acutissima cupules as raw materials, performing aqueous extraction so as to obtain a quercus variabilis / quercus acutissima cupule aqueous extraction solution, adding tannase,performing fermentation, performing freezing, enabling frozen substances to stay overnight and settle, performing filtration, performing concentration and drying on supernatant so as to obtain a quercus variabilis / quercus acutissima cupule extract, and mixing the quercus variabilis / quercus acutissima cupule extract with other feeds in a certain proportion so as to obtain the quercus variabilis / quercus acutissima cupule extract feed additive for broilers. The quercus variabilis / quercus acutissima cupule extract feed additive prepared by the method has quite prominent positive effects after being applied to broiler production. The feed additive is prepared from purely natural plant components, so that hurt of residual medicines in animal bodies to human bodies can be avoided, and people canbe safer and healthier when eating the broilers fed with the quercus variabilis / quercus acutissima cupule extract feed additive.

Description

technical field [0001] The invention relates to a feed additive of rubber bowl extract for broilers and an application thereof, belonging to the field of feed production. Background technique [0002] my country is a large animal husbandry country, and the use of feed additives is becoming more and more extensive. Growth promoters, food attractants, antioxidants, immune enhancers and other drugs are usually added to the feed to achieve the effects of promoting the growth of aquatic animals, preventing and curing diseases, enhancing the body's immunity, and saving nutritional needs. my country is a big country in the use of antibiotics, and it is also a big country in the production of antibiotics, with an annual production of about 210,000 tons. Among the raw materials of antibiotics, 97,000 tons are used in animal husbandry, accounting for 46.1% of the total annual output. It has become one of the countries with the most serious problem of antibiotic abuse in the world. T...

Claims

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Application Information

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IPC IPC(8): A23K50/75A23K10/30A23K10/12
CPCA23K50/75A23K10/30A23K10/12
Inventor 张亮亮汪咏梅徐曼胡新宇
Owner INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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