CN115067436B - Preparation method of special feed additive for breeding fattening meat ducks - Google Patents

Preparation method of special feed additive for breeding fattening meat ducks Download PDF

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CN115067436B
CN115067436B CN202211003177.8A CN202211003177A CN115067436B CN 115067436 B CN115067436 B CN 115067436B CN 202211003177 A CN202211003177 A CN 202211003177A CN 115067436 B CN115067436 B CN 115067436B
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preparation
powder
regulator
meat
mixing
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CN115067436A (en
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郭志有
郭瑞萍
李超
陈焱
田慧丽
都振玉
刘建胜
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Shandong Vocational Animal Science and Veterinary College
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Abstract

The invention provides a preparation method of a special feed additive for fattening meat duck breeding, and belongs to the field of meat duck feed additives. The preparation method comprises the following steps: preparing composite powder, preparing a regulator and mixing. The composite powder is prepared by mixing pig bone powder, edible fish meal, starfish powder and bentonite uniformly. The preparation regulator is prepared by modifying zeolite powder, corn protein powder and medical stone powder to prepare a carrier, mixing the carrier with a mixed solution prepared in the solution preparation step, and performing spray drying. The feed additive special for fattening meat duck breeding is added into daily feed according to 3wt%, the average weight of 45-day-old meat ducks is 3309-3376g, the ketone body lean meat percentage is 29.6-31.2%, and the breast meat percentage is 15.9-16.7%; the feed can also effectively improve the overall resistance of the meat ducks, reduce the indigestion and diarrhea of the meat ducks, improve the utilization rate of the feed and ensure the fast and healthy growth of the meat ducks.

Description

Preparation method of special feed additive for breeding fattening meat ducks
Technical Field
The invention relates to the field of meat duck feed additives, in particular to a preparation method of a special feed additive for fattening meat duck breeding.
Background
Nowadays, with the continuous improvement of living standard, duck meat is deeply favored by consumers with unique delicious taste. The protein content of the duck meat is much higher than that of the livestock meat, and the fat content is moderate and is uniformly distributed. Duck meat is a good food for tonification, has the effects of nourishing stomach, tonifying kidney, eliminating edema, relieving cough and reducing sputum, and the dietotherapy effect of duck meat is recorded in the book of Chinese medical record 'Ben Cao gang mu' for a long time ago.
Meanwhile, the duck meat is rich in B vitamins and vitamin E, and the fatty acids of the duck meat are mainly unsaturated fatty acids and low-carbon saturated fatty acids, so that the duck meat is easy to digest. In addition, the fat in duck meat is different from other animal oil, the proportion of various fatty acids is close to ideal value, and the chemical composition is similar to olive oil, so that the duck meat has the function of reducing cholesterol. Meanwhile, the duck meat also contains rich nicotinic acid, so that the duck meat has a certain protection effect on heart diseases such as myocardial infarction and the like. Thus, the demand of duck meat and products in the market is steadily increasing.
With the development of the breeding industry, the large-scale and specialized breeding mode of meat ducks develops rapidly, and the meat ducks become the third largest livestock breeding breed second to live pigs and broilers. The marketing amount of commercial meat ducks in China is 46.83 hundred million in 2020, and the commercial meat ducks are increased by 9.7 percent on year-on-year basis. The yield of Chinese duck meat is about 1050 ten thousand tons, and the Chinese duck meat is increased by 11.2 percent on the same scale. Along with the continuous progress of the special degree of the meat duck breeding industry, higher requirements are also put forward on the special feed additive for the meat ducks.
In the existing meat duck breeding, in order to seek maximum benefit, the breeding period of the meat duck is usually shortened to 42-48 days, and the meat duck can be listed and marketed. Therefore, in order to accelerate the growth speed of the meat ducks and compress the breeding period, the meat ducks are fattened and fed on the 15 th day of breeding until the meat ducks are slaughtered in 45-49 days. During the fattening period of the meat ducks, the meat ducks grow vigorously on bones and muscles, subcutaneous fat grows fast, absolute weight gain enters a peak period, and feed intake is greatly increased.
However, in order to ensure the meat quality and the ketone body lean meat percentage of the meat ducks, the normal meat duck breeding period is 8-9 weeks, and the inventor finds that the meat duck feeding mode of compressing the breeding period to 42-48 days and rapidly fattening reduces the lean meat quantity and the meat quality of the meat ducks, particularly, the breast meat quantity is greatly reduced compared with the normal breeding period, the ketone body lean meat percentage and the meat quality flavor of the meat ducks are not ideal, and the meat duck meat level of the meat ducks with the breeding period of 8-9 weeks cannot be achieved. Further, the inventor also finds that in the fattening feeding period, due to the change of the feed raw material proportion and the great increase of the feed feeding amount, the meat ducks possibly have the problems of dyspepsia, diarrhea and the like, the overall resistance of the meat ducks cannot be effectively improved, and high-lethality diseases such as possible avian influenza cannot be resisted.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the preparation method of the special feed additive for fattening meat duck breeding, which can overcome the problems of unsatisfactory meat duck lean meat quantity and meat quality caused by shortened breeding period, effectively improve the meat duck ketone body lean meat percentage and improve the meat quality of the meat ducks; meanwhile, the problems of dyspepsia, diarrhea and the like of the meat ducks during fattening feeding can be eliminated, and the overall resistance of the meat ducks is effectively improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a preparation method of a special feed additive for fattening meat duck breeding comprises the following steps: preparing composite powder, preparing a regulator and mixing.
The preparation method of the composite powder comprises the steps of mixing the pig bone powder, the edible fish meal, the starfish powder and the bentonite, and uniformly grinding to obtain the composite powder;
in the prepared composite powder, the ratio of parts by weight of the pig bone meal, the edible fish meal, the starfish meal and the bentonite is 1:2-4:1-2.
The preparation of the regulator comprises the following steps: treating carrier, preparing liquid and preparing preparation.
In the preparation of the regulator, the carrier treatment method comprises the steps of mixing zeolite powder, corn protein powder and medical stone powder according to the weight part ratio of 2-3:2-3:1, and then carrying out ball milling uniformly to prepare a ball grinding material; mixing ball grinding material, polyvinylpyrrolidone, magnesium stearate, and carboxymethyl cellulose, and shearing for 10-20min to obtain carrier;
in the preparation of the regulator, in the carrier treatment, the weight parts of the ball grinding material, the polyvinylpyrrolidone, the magnesium stearate and the carboxymethyl cellulose are 25-35;
in the preparation of the regulator, in the carrier treatment, the particle size of the zeolite powder is 80-100 μm; the grain size of the corn protein powder is 20-40 μm; the particle size of the medical stone powder is 80-100 μm;
in the preparation of the regulator, in the carrier treatment, the ball-material ratio of ball milling is 4-6:1, the ball milling rotation speed is 500-600rpm, and the ball milling time is 20-30min;
in the preparation of the regulator, the rotation speed of shearing treatment in the carrier treatment is 1200-1500rpm.
In the preparation of the regulator, the liquid preparation method comprises mixing cortex Phellodendri, radix Paeoniae alba, pericarpium Citri Tangerinae, alismatis rhizoma and rhizoma Dioscoreae, adding into deionized water of 20-30 times volume, stirring, heating to boil, and keeping the temperature for 60-100min; filtering out solids to obtain filtrate; mixing the filtrate with deionized water of the same volume, adding periostracum Cicadae extract, semen Armeniacae amarum extract and pericarpium Citri Junoris extract, heating to 35-45 deg.C, stirring at 200-300rpm for 15-30min to obtain primary solution; then concentrating to 35-45% of the original volume at 65-75 ℃ under the environment of 0.04-0.06MPa of vacuum degree to prepare a mixed solution;
in the preparation of the regulator, the ratio of parts by weight of the phellodendron, the white paeony root, the dried orange peel, the rhizoma alismatis and the Chinese yam in the liquid preparation is 5-8:3-5:1-3:3-5:2-3;
in the preparation of the regulator, the weight part ratio of the filtrate, the cicada shell extract, the almond extract and the orange peel extract in the liquid preparation is (100) 2-3:1-2:3-4.
In the preparation method of the regulator, the preparation method comprises the steps of uniformly mixing the carrier and the mixed solution, and performing spray drying to prepare the regulator;
in the preparation of the regulator, the ratio of the carrier to the mixed solution in parts by weight is 1:2-3.
The mixing method comprises the steps of uniformly mixing the compound powder, the regulator, the compound enzyme agent, the compound amino acid, the compound trace element, the fish oil and the calcium hydrophosphate to prepare the special feed additive for breeding the fattening meat ducks;
in the mixing, the weight ratio of the composite powder, the regulator, the composite enzyme agent, the composite vitamin, the composite trace element, the fish oil and the calcium hydrophosphate is 20-30.
In the mixing, the compound enzyme agent is a mixture of glucanase, xylanase and cellulase; the weight ratio of the glucanase, the xylanase and the cellulase is 1-2:2-3:1-2;
in the mixing, the compound amino acid is a mixture of threonine, lysine, methionine, arginine and cysteine; the weight ratio of threonine, lysine, methionine, arginine and cysteine is 2-4:7-9:2-4:2-4:5-8;
in the mixing, the composite trace elements are a mixture of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate, and the ratio of the weight parts of the copper sulfate, the zinc sulfate, the ferrous sulfate and the manganese sulfate is 2-3:4-6:5-7:2-3.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the preparation method of the special feed additive for breeding the fattening meat ducks, the prepared special feed additive for breeding the fattening meat ducks is added into daily feed according to 3wt%, the problem that the lean meat quantity and the meat quality of the meat ducks are not ideal due to the fact that the breeding period is shortened can be effectively solved, the muscle growth of the meat ducks is effectively promoted while the meat ducks are fattened and gain weight is increased, and the ketone body lean meat percentage of the meat ducks is improved, wherein through tests, the average weight of the meat ducks aged for 45 days is 3309-3376g, the ketone body lean meat percentage is 29.6-31.2%, and the breast meat percentage is 15.9-16.7%.
(2) According to the preparation method of the special feed additive for fattening meat duck cultivation, the prepared special feed additive for fattening meat duck cultivation is added into daily feed in an amount of 3wt%, the overall resistance of the meat duck can be effectively improved, the conditions of dyspepsia and diarrhea of the meat duck are reduced, the feed utilization rate is improved, the rapid and healthy growth of the meat duck is ensured, the disease rate of the meat duck is 2-3%, the diarrhea rate is not higher than 1%, the survival rate in 45 days can reach 100%, and the meat duck is rapidly increased in weight and healthily grown in the fattening feeding process.
(3) According to the preparation method of the special feed additive for breeding the fattening meat ducks, the prepared special feed additive for breeding the fattening meat ducks is added into daily feed in an amount of 3wt%, the meat quality and the flavor of duck meat can be effectively improved, and the duck meat is fine and smooth, good in taste, good in flavor and aromatic in flavor.
(4) According to the preparation method of the special feed additive for breeding the fattening meat ducks, the prepared special feed additive for breeding the fattening meat ducks is low in additive amount, fast in meat duck weight gain, strong in disease resistance, good in duck meat quality, capable of effectively improving breeding benefits and suitable for large-scale and specialized breeding.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described.
Example 1
A preparation method of a special feed additive for fattening meat duck breeding specifically comprises the following steps:
1. preparation of composite powder
The preparation method of the composite powder comprises the steps of mixing the pig bone powder, the edible fish powder, the starfish powder and the bentonite, and uniformly grinding to obtain the composite powder.
In the preparation of the composite powder, the weight parts of the pig bone powder, the edible fish meal, the starfish powder and the bentonite are 1.
Wherein, the pig bone powder, the edible fish meal and the starfish meal can be obtained by the market.
2. Preparation of the Conditioning agent
1) Carrier treatment
Putting zeolite powder, corn protein powder and medical stone powder into a ball mill according to the weight part ratio of 2; mixing ball grinding material, polyvinylpyrrolidone, magnesium stearate, and carboxymethyl cellulose, controlling the shear rotation speed at 1200rpm, and performing shear treatment for 10min to obtain the carrier.
Wherein the ratio of parts by weight of the ball grinding material, the polyvinylpyrrolidone, the magnesium stearate and the carboxymethyl cellulose is 25.
The particle size of the zeolite powder is 80 mu m.
The particle size of the corn protein powder is 20 mu m.
The particle size of the medical stone powder is 80 mu m.
2) Liquid preparation
Mixing cortex Phellodendri, radix Paeoniae alba, pericarpium Citri Tangerinae, alismatis rhizoma and rhizoma Dioscoreae, adding into deionized water 20 times the volume of the mixture, stirring, heating to boil, and keeping the temperature for 60min; filtering to remove solid to obtain filtrate; mixing the filtrate with deionized water of the same volume, adding periostracum Cicadae extract, semen Armeniacae amarum extract and pericarpium Citri Junoris extract, heating to 35 deg.C, stirring at 200rpm for 15min to obtain primary liquid; then concentrating to 35% of the original volume at 65 ℃ under the environment of 0.04MPa of vacuum degree to prepare a mixed solution.
Wherein the ratio of the weight parts of the phellodendron, the white paeony root, the dried orange peel, the rhizoma alismatis and the Chinese yam is (5).
The weight ratio of the filtrate to the cicada shell extract to the almond extract to the orange peel extract is (100).
3) Preparation
And uniformly mixing the carrier and the mixed solution, and performing spray drying to obtain the regulator.
Wherein the weight ratio of the carrier to the mixed solution is 1:2.
3. Mixing
Uniformly mixing the compound powder, the regulator, the compound enzyme, the compound amino acid, the compound trace elements, the fish oil and the calcium hydrophosphate to prepare the special feed additive for breeding the fattening meat ducks.
Wherein, the weight ratio of the composite powder, the regulator, the compound enzyme agent, the compound vitamin, the compound trace element, the fish oil and the calcium hydrophosphate is 20.
The compound enzyme agent is a mixture of glucanase, xylanase and cellulase. Wherein the weight ratio of the glucanase, the xylanase and the cellulase is 1.
The compound amino acid is a mixture of threonine, lysine, methionine, arginine and cysteine. Wherein, the weight ratio of threonine, lysine, methionine, arginine and cysteine is 2.
The compound trace element is a mixture of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate. Wherein the weight parts ratio of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate is (2).
Example 2
A preparation method of a special feed additive for fattening meat duck breeding specifically comprises the following steps:
1. preparation of composite powder
The preparation method of the composite powder comprises the steps of mixing the pig bone powder, the edible fish powder, the starfish powder and the bentonite, and uniformly grinding to obtain the composite powder.
In the prepared composite powder, the ratio of the parts by weight of the pig bone powder, the edible fish meal, the starfish powder and the bentonite is 1.5.
Wherein the pig bone powder, the edible fish powder and the starfish powder can be obtained by a market.
2. Preparation of the Conditioning agent
1) Carrier treatment
Putting zeolite powder, corn protein powder and medical stone powder into a ball mill according to the weight part ratio of 2.5; mixing the ball grinding material, polyvinylpyrrolidone, magnesium stearate and carboxymethyl cellulose, controlling the shearing rotation speed to 1400rpm, and performing shearing treatment for 15min to obtain the carrier.
Wherein the ratio of parts by weight of the ball grinding material, the polyvinylpyrrolidone, the magnesium stearate and the carboxymethyl cellulose is 30.
The particle size of the zeolite powder is 90 mu m.
The particle size of the corn protein powder is 30 mu m.
The particle size of the medical stone powder is 90 mu m.
2) Liquid preparation
Mixing cortex Phellodendri, radix Paeoniae alba, pericarpium Citri Tangerinae, alismatis rhizoma and rhizoma Dioscoreae, adding into 25 times volume of deionized water, stirring, heating to boil, and keeping the temperature for 80min; filtering out solids to obtain filtrate; mixing the filtrate with deionized water of the same volume, adding periostracum Cicadae extract, semen Armeniacae amarum extract and pericarpium Citri Junoris extract, heating to 40 deg.C, stirring at 250rpm for 20min to obtain primary solution; then concentrating to 40% of the original volume under the environment of 0.05MPa of vacuum degree and at the temperature of 70 ℃ to prepare a mixed solution.
Wherein the ratio of the weight parts of the phellodendron, the white paeony root, the dried orange peel, the rhizoma alismatis and the Chinese yam is (6).
The weight ratio of the filtrate to the cicada shell extract to the almond extract to the orange peel extract is (100).
3) Preparation
And uniformly mixing the carrier and the mixed solution, and performing spray drying to obtain the regulator.
Wherein the ratio of the carrier to the mixed solution in parts by weight is 1.
3. Mixing
The compound powder, the regulator, the compound enzyme, the compound amino acid, the compound trace elements, the fish oil and the calcium hydrophosphate are uniformly mixed to prepare the special feed additive for breeding the fattening meat ducks.
Wherein, the weight ratio of the composite powder, the regulator, the compound enzyme agent, the compound vitamin, the compound trace element, the fish oil and the calcium hydrophosphate is 25.5.
The compound enzyme agent is a mixture of glucanase, xylanase and cellulase. Wherein the weight parts ratio of the glucanase, the xylanase and the cellulase is 1.5.
The compound amino acid is a mixture of threonine, lysine, methionine, arginine and cysteine. Wherein, the weight ratio of threonine, lysine, methionine, arginine and cysteine is 3.
The compound trace element is a mixture of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate. Wherein the weight parts ratio of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate is (2.5).
Example 3
A preparation method of a special feed additive for fattening meat duck breeding specifically comprises the following steps:
1. preparation of composite powder
The preparation method of the composite powder comprises mixing Os Sus Domestica powder, edible fish powder, starfish powder and bentonite, and grinding to obtain composite powder;
in the prepared composite powder, the ratio of the parts by weight of the pig bone powder, the edible fish meal, the starfish powder and the bentonite is 1.
Wherein the pig bone powder, the edible fish powder and the starfish powder can be obtained by a market.
2. Preparation of the Conditioning agent
1) Carrier treatment
Putting zeolite powder, corn protein powder and medical stone powder into a ball mill according to the weight part ratio of 3; mixing the ball grinding material, polyvinylpyrrolidone, magnesium stearate and carboxymethyl cellulose, controlling the shearing rotation speed to be 1500rpm, and performing shearing treatment for 20min to obtain the carrier.
Wherein the ratio of parts by weight of the ball grinding material, the polyvinylpyrrolidone, the magnesium stearate and the carboxymethyl cellulose is 35.
The particle size of the zeolite powder is 100 mu m.
The particle size of the corn protein powder is 40 mu m.
The particle size of the medical stone powder is 100 mu m.
2) Liquid preparation
Mixing cortex Phellodendri, radix Paeoniae alba, pericarpium Citri Tangerinae, alismatis rhizoma and rhizoma Dioscoreae, adding into 30 times volume of deionized water, stirring, heating to boil, and keeping the temperature for 100min; filtering to remove solid to obtain filtrate; mixing the filtrate with deionized water of the same volume, adding periostracum Cicadae extract, semen Armeniacae amarum extract and pericarpium Citri Junoris extract, heating to 45 deg.C, stirring at 300rpm for 30min to obtain primary liquid; then concentrating to 45% of the original volume at 75 ℃ under the environment of 0.06MPa of vacuum degree to prepare a mixed solution.
Wherein, the ratio of the weight parts of the phellodendron, the white paeony root, the dried orange peel, the rhizoma alismatis and the Chinese yam is 8.
The weight ratio of the filtrate to the cicada shell extract to the almond extract to the orange peel extract is 100.
3) Preparation
And uniformly mixing the carrier and the mixed solution, and performing spray drying to prepare the regulator.
Wherein the weight ratio of the carrier to the mixed solution is 1:3.
3. Mixing of
Uniformly mixing the compound powder, the regulator, the compound enzyme, the compound amino acid, the compound trace elements, the fish oil and the calcium hydrophosphate to prepare the special feed additive for breeding the fattening meat ducks.
Wherein, the weight ratio of the composite powder, the regulator, the compound enzyme agent, the compound vitamin, the compound trace element, the fish oil and the calcium hydrophosphate is 30.
The compound enzyme agent is a mixture of glucanase, xylanase and cellulase. Wherein the weight parts ratio of the glucanase, the xylanase and the cellulase is (2).
The compound amino acid is a mixture of threonine, lysine, methionine, arginine and cysteine. Wherein, the weight ratio of threonine, lysine, methionine, arginine and cysteine is 4.
The compound trace element is a mixture of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate. Wherein the weight parts ratio of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate is 3.
Comparative example 1
The solution of example 2 was used, with the difference that the regulator was omitted.
Comparative example 2
The technical scheme of the embodiment 2 is adopted, and the difference is that 1) pig bone powder is adopted to replace the composite powder; 2) The carrier treatment step in the preparation of the regulator is omitted, and the zeolite powder, the corn protein powder and the medical stone powder with the same specification are uniformly mixed and used as the carrier in the preparation step.
Test example 1
Animal feeding tests are carried out on the special feed additive for breeding the fattening meat ducks prepared in the examples 1-3 and the comparative examples 1-2, and the specific test method is as follows:
500 healthy 14-day-old Tianfu meat ducks were selected and randomly divided into 5 groups of 100 ducks. The special feed additive for fattening meat duck breeding, which is prepared in the examples 1-3 and the comparative examples 1-2 and has the mass fraction of 3wt%, is respectively added into the feed of meat ducks sold in the common market during the period from 15 days old to 45 days out of the market. Wherein, the meat duck feed manufacturer is Shandong Octopun Xin feed factory.
In the test process, each group adopts an independent feeding mode, so that the water source is kept clean and sufficient, and the conventional cleaning, epidemic disease immunization, disinfection and the like are well performed during the feeding period.
In the test process, the growth condition, morbidity, diarrhea rate and 45-day survival rate of the meat ducks in each group are recorded, and the specific determination results are as follows:
Figure 40112DEST_PATH_IMAGE001
further, the average weight, ketone body lean meat percentage and breast meat percentage of each group of meat ducks at 45 days are detected, and the specific measurement results are as follows:
Figure 239143DEST_PATH_IMAGE002
further, 5 meat ducks are selected from each group, the same cooking method is adopted, 1g of salt, 3g of chopped green onion, 5g of ginger, 3g of cooking wine and 1000g of water are added into every hundred grams of duck meat, and after the duck meat is boiled with strong fire, the duck meat is slowly stewed with slow fire for 2.5 hours. Please refer to 20 persons for evaluating the meat quality and flavor of each group of duck meat.
Wherein, the meat quality of the duck meat is calculated according to the fineness and the percentage; the flavor of the duck meat is calculated according to a complete preparation method. The specific results are as follows:
Figure 815618DEST_PATH_IMAGE003
all percentages used in the present invention are mass percentages unless otherwise indicated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (1)

1. A preparation method of a special feed additive for fattening meat duck breeding is characterized by comprising the following steps: preparing composite powder, preparing a regulator and mixing;
the preparation method of the composite powder comprises the steps of mixing the pig bone powder, the edible fish meal, the starfish powder and the bentonite, and uniformly grinding to obtain the composite powder;
in the prepared composite powder, the ratio of parts by weight of the pig bone meal, the edible fish meal, the starfish meal and the bentonite is 1:2-4:1-2;
the preparation of the regulator comprises the following steps: treating carrier, preparing liquid and preparing preparation;
in the preparation of the regulator, the carrier treatment method comprises the steps of mixing zeolite powder, corn protein powder and medical stone powder according to the weight part ratio of 2-3:2-3:1, and then carrying out ball milling uniformly to prepare a ball grinding material; mixing ball grinding material, polyvinylpyrrolidone, magnesium stearate, and carboxymethyl cellulose, and shearing for 10-20min to obtain carrier;
in the preparation of the regulator, in the carrier treatment, the weight parts of the ball grinding material, the polyvinylpyrrolidone, the magnesium stearate and the carboxymethyl cellulose are 25-35;
in the preparation of the regulator, in the carrier treatment, the particle size of the zeolite powder is 80-100 μm; the grain size of the corn protein powder is 20-40 μm; the particle size of the medical stone powder is 80-100 μm;
in the preparation of the regulator, in the carrier treatment, the ball-milling ball-material ratio is 4-6:1, the ball-milling rotating speed is 500-600rpm, and the ball-milling time is 20-30min;
in the preparation of the regulator, the rotation speed of shearing treatment is 1200-1500rpm in the carrier treatment;
in the preparation of the regulator, the liquid preparation method comprises mixing cortex Phellodendri, radix Paeoniae alba, pericarpium Citri Tangerinae, alismatis rhizoma and rhizoma Dioscoreae, adding into deionized water of 20-30 times volume, stirring, heating to boil, and keeping the temperature for 60-100min; filtering to remove solid to obtain filtrate; mixing the filtrate with deionized water of the same volume, adding periostracum Cicadae extract, semen Armeniacae amarum extract and pericarpium Citri Junoris extract, heating to 35-45 deg.C, stirring for 15-30min to obtain primary solution; then under the vacuum environment, at the temperature of 65-75 ℃, concentrating to 35-45% of the original volume to prepare a mixed solution;
in the preparation of the regulator, the ratio of parts by weight of the phellodendron, the white paeony root, the dried orange peel, the rhizoma alismatis and the Chinese yam in the liquid preparation is 5-8:3-5:1-3:3-5:2-3;
in the preparation of the regulator, the weight part ratio of the filtrate, the cicada shell extract, the almond extract and the orange peel extract in the liquid preparation is (100) 2-3:1-2:3-4;
in the preparation method of the regulator, the preparation method comprises the steps of uniformly mixing the carrier and the mixed solution, and performing spray drying to prepare the regulator;
in the preparation of the regulator, the ratio of parts by weight of the carrier to the mixed solution in the preparation is 1:2-3;
the mixing method comprises the steps of uniformly mixing the compound powder, the regulator, the compound enzyme agent, the compound amino acid, the compound trace element, the fish oil and the calcium hydrophosphate to prepare the special feed additive for breeding the fattening meat ducks;
in the mixing, the weight ratio of the composite powder, the regulator, the composite enzyme agent, the composite vitamin, the composite trace element, the fish oil and the calcium hydrophosphate is 20-30;
in the mixing, the compound enzyme agent is a mixture of glucanase, xylanase and cellulase; the weight ratio of the glucanase, the xylanase and the cellulase is 1-2:2-3:1-2;
in the mixing, the compound amino acid is a mixture of threonine, lysine, methionine, arginine and cysteine; the weight ratio of threonine, lysine, methionine, arginine and cysteine is 2-4:7-9:2-4:2-4:5-8;
in the mixing, the composite trace elements are a mixture of copper sulfate, zinc sulfate, ferrous sulfate and manganese sulfate, and the ratio of the weight parts of the copper sulfate, the zinc sulfate, the ferrous sulfate and the manganese sulfate is 2-3:4-6:5-7:2-3.
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