CN113142412A - Functional biological premix feed with microbial activity for laying hens - Google Patents

Functional biological premix feed with microbial activity for laying hens Download PDF

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CN113142412A
CN113142412A CN202110138941.1A CN202110138941A CN113142412A CN 113142412 A CN113142412 A CN 113142412A CN 202110138941 A CN202110138941 A CN 202110138941A CN 113142412 A CN113142412 A CN 113142412A
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parts
mixer
vitamin
microbial activity
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张俊平
赵静
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Anhui Guangtong Biological Technology Co ltd
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Anhui Guangtong Biological Technology Co ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K50/00Feeding-stuffs specially adapted for particular animals
    • A23K50/70Feeding-stuffs specially adapted for particular animals for birds
    • A23K50/75Feeding-stuffs specially adapted for particular animals for birds for poultry
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/10Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/12Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/30Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K10/00Animal feeding-stuffs
    • A23K10/30Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • A23K10/38Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material from distillers' or brewers' waste
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/105Aliphatic or alicyclic compounds
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/142Amino acids; Derivatives thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/174Vitamins
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/10Organic substances
    • A23K20/189Enzymes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/20Inorganic substances, e.g. oligoelements
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/20Inorganic substances, e.g. oligoelements
    • A23K20/26Compounds containing phosphorus
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23KFODDER
    • A23K20/00Accessory food factors for animal feeding-stuffs
    • A23K20/20Inorganic substances, e.g. oligoelements
    • A23K20/30Oligoelements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

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  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
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  • Health & Medical Sciences (AREA)
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  • Biomedical Technology (AREA)
  • Microbiology (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Fodder In General (AREA)

Abstract

The invention discloses a functional biological pre-mixed feed with microbial activity for laying hens, which comprises the following components: comprises the following components: the feed additive comprises, by mass, 1 part of lysine, 2.7 parts of methionine, 30 parts of mountain flour, 8 parts of calcium hydrophosphate, 5 parts of sodium chloride, 0.5 part of phytase (5000IU/g), 0.4 part of complex enzyme, 1 part of 50% choline chloride, 0.7 part of compound vitamin, 2.5 parts of compound trace element, 0.2 part of microbial liquid, 10 parts of water, 10 parts of bran and 25-30 parts of white distilled grains, and can effectively promote and maintain the production performance and the body health of high yield, and the feed additive shows the improvement of egg yield and the reduction of dead chickens in breeding practice, and improves the economic benefit of laying hen breeding.

Description

Functional biological premix feed with microbial activity for laying hens
Technical Field
The invention relates to the technical field of premixed feeds for laying hens, in particular to a functional biological premixed feed for laying hens with microbial activity.
Background
The long-term use of antibiotics leads to the increasing of the drug resistance of pathogenic microorganisms (germs), which leads to the increasing or even ineffectiveness of the dose of antibiotics (such as the superbacteria reported earlier) used for treating diseases, and causes the ineligibility of the treatment of animal or human diseases.
With the starting of the withdrawal plan of the feed drug additive, how to realize the low-resistance or even non-resistance breeding of the livestock and the poultry and ensure the quick and healthy growth of the livestock and the economic benefit of the breeding becomes a practical challenge for the farm; the invention aims to solve the technical problems that the premix contains active beneficial microorganisms (commonly called beneficial bacteria) besides nutrient components of the conventional premix for the laying hens, so that the health of the laying hens can be promoted, the occurrence of diseases and medication caused by diseases are reduced, the safety of eggs is ensured, and the egg laying performance and the economic benefit of cultivation are improved; therefore, the invention provides a functional biological premix feed with microbial activity for laying hens, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide a formaldehyde removing reagent capable of improving the working efficiency and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a functional biological premix feed with microbial activity for laying hens comprises the following components: 1 part by mass of lysine, 2.7 parts by mass of methionine, 30 parts by mass of mountain flour, 8 parts by mass of calcium hydrophosphate, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase (5000IU/g), 0.4 part by mass of complex enzyme, 1 part by mass of 50% choline chloride, 0.7 part by mass of vitamin complex, 2.5 parts by mass of complex trace elements, 0.2 part by mass of microbial liquid, 10 parts by mass of water, 10 parts by mass of bran and 25-30 parts by mass of white spirit.
A preparation method of a functional biological premix feed with microbial activity for laying hens comprises the following steps:
s1: starting up the mixer, turning on a power supply of the mixer, keeping the mixer running, and sequentially adding 10 parts by mass of bran, 25 parts by mass of white spirit vinasse, 30 parts by mass of stone powder, 8 parts by mass of calcium hydrophosphate, 2.5 parts by mass of composite trace elements, 0.2 part by mass of microbial liquid and 10 parts by mass of water;
s2: (mixing) after the feeding is finished, keeping the mixer running for 2-3min to obtain a mixture;
s3: (fermentation) discharging the mixture obtained in the step (2), canning and sealing or packaging the mixture by using a plastic bag with a one-way exhaust valve, and fermenting the mixture for 4 to 10 days in an environment with the temperature of 28 to 30 ℃ and the relative humidity of 65 to 70 percent to obtain a fermented material;
s4: (secondary blending) sequentially feeding 1 part by mass of lysine, 2.7 parts by mass of methionine, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase, 0.4 part by mass of complex enzyme, 1 part by mass of choline chloride, 0.7 part by mass of complex vitamin and the fermented material obtained in the step (3) into a mixer in an operating state;
s5: (mixing and packaging) after the feeding is finished, keeping the mixer running for 3-5min, and subpackaging and packaging to obtain the functional biological pre-mixed laying hen feed with microbial activity.
Compared with the prior art, the invention has the beneficial effects that:
compared with the conventional premix product, the biological premix feed for laying hens, which is designed and produced by the invention, contains beneficial microorganisms with biological activity, can effectively promote and maintain the production performance and body health of high-yield laying hens, and shows that the egg yield is improved and dead-panned chickens are reduced in the breeding practice, so that the economic benefit of laying hen breeding is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one (5 days of fermentation) group B:
the invention provides a technical scheme that: in order to achieve the purpose, the invention provides the following technical scheme: a functional biological premix feed with microbial activity for laying hens comprises the following components: 1 part by mass of lysine, 2.7 parts by mass of methionine, 30 parts by mass of mountain flour, 8 parts by mass of calcium hydrophosphate, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase (5000IU/g), 0.4 part by mass of complex enzyme, 1 part by mass of 50% choline chloride, 0.7 part by mass of vitamin complex, 2.5 parts by mass of complex trace elements, 0.2 part by mass of microbial liquid, 10 parts by mass of water, 10 parts by mass of bran and 25-30 parts by mass of white spirit.
A preparation method of a functional biological premix feed with microbial activity for laying hens comprises the following steps:
s1: starting up the mixer, turning on a power supply of the mixer, keeping the mixer running, and sequentially adding 10 parts by mass of bran, 25 parts by mass of white spirit vinasse, 30 parts by mass of stone powder, 8 parts by mass of calcium hydrophosphate, 2.5 parts by mass of composite trace elements, 0.2 part by mass of microbial liquid and 10 parts by mass of water;
s2: (mixing) after the feeding is finished, keeping the mixer running for 2-3min to obtain a mixture;
s3: (fermentation) discharging the mixture obtained in the step (2), canning and sealing or packaging the mixture by using a plastic bag with a one-way exhaust valve, and placing the mixture in an environment with the temperature of 28-30 ℃ and the relative humidity of 65-70% for fermentation for 5 days to obtain a fermented material;
s4: (secondary blending) sequentially feeding 1 part by mass of lysine, 2.7 parts by mass of methionine, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase, 0.4 part by mass of complex enzyme, 1 part by mass of choline chloride, 0.7 part by mass of complex vitamin and the fermented material obtained in the step (3) into a mixer in an operating state;
s5: (mixing and packaging) after the feeding is finished, keeping the mixer running for 3-5min, and subpackaging and packaging to obtain the functional biological pre-mixed laying hen feed with microbial activity.
Comparative example a group:
1. according to the conventional production standard, the special vitamin complex semi-finished product is produced according to the following mass ratio for standby. Each kilogram of the vitamin A food comprises 4050 ten thousand IU of vitamin A, 1250 ten thousand IU of vitamin D, 60g of vitamin E, 14g of vitamin K and vitamin B15.80g, vitamin B228g, vitamin B615g, vitamin B120.035g, 110g of nicotinamide, 100g of pantothenic acid, 3.20g of folic acid, 0.8g of biotin and the balance of carrier rice hull powder.
2. According to the conventional production standard, the special composite trace element semi-finished product is produced according to the following mass proportion for later use. Each kilogram of the catalyst comprises 5000mg of copper, 600mg of iodine, 250mg of selenium, 50000mg of iron, 60000mg of manganese, 65000mg of zinc and the balance of carrier zeolite powder.
3. And (3) microbial liquid: lactobacillus 1.0X 1010cfu/g, bacillus 1.5X 1010cfu/g, yeast 4.0 × 109cfu/g.
Example two (7 days fermentation) group C:
the invention provides a technical scheme that: in order to achieve the purpose, the invention provides the following technical scheme: a functional biological premix feed with microbial activity for laying hens comprises the following components: 1 part by mass of lysine, 2.7 parts by mass of methionine, 30 parts by mass of mountain flour, 8 parts by mass of calcium hydrophosphate, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase (5000IU/g), 0.4 part by mass of complex enzyme, 1 part by mass of 50% choline chloride, 0.7 part by mass of vitamin complex, 2.5 parts by mass of complex trace elements, 0.2 part by mass of microbial liquid, 10 parts by mass of water, 10 parts by mass of bran and 25-30 parts by mass of white spirit.
A preparation method of a functional biological premix feed with microbial activity for laying hens comprises the following steps:
s1: starting up the mixer, turning on a power supply of the mixer, keeping the mixer running, and sequentially adding 10 parts by mass of bran, 25 parts by mass of white spirit vinasse, 30 parts by mass of stone powder, 8 parts by mass of calcium hydrophosphate, 2.5 parts by mass of composite trace elements, 0.2 part by mass of microbial liquid and 10 parts by mass of water;
s2: (mixing) after the feeding is finished, keeping the mixer running for 2-3min to obtain a mixture;
s3: (fermentation) discharging the mixture obtained in the step (2), canning and sealing or packaging the mixture by using a plastic bag with a one-way exhaust valve, and placing the mixture in an environment with the temperature of 28-30 ℃ and the relative humidity of 65-70% for fermentation for 7 days to obtain a fermented material;
s4: (secondary blending) sequentially feeding 1 part by mass of lysine, 2.7 parts by mass of methionine, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase, 0.4 part by mass of complex enzyme, 1 part by mass of choline chloride, 0.7 part by mass of complex vitamin and the fermented material obtained in the step (3) into a mixer in an operating state;
s5: (mixing and packaging) after the feeding is finished, keeping the mixer running for 3-5min, and subpackaging and packaging to obtain the functional biological pre-mixed laying hen feed with microbial activity.
Comparative example a group:
1. according to the conventional production standard, the special vitamin complex semi-finished product is produced according to the following mass ratio for standby. Each kilogram of the vitamin A food comprises 4050 ten thousand IU of vitamin A, 1250 ten thousand IU of vitamin D, 60g of vitamin E, 14g of vitamin K and vitamin B15.80g, vitamin B228g, vitamin B615g, vitamin B120.035g, 110g of nicotinamide, 100g of pantothenic acid, 3.20g of folic acid, 0.8g of biotin and the balance of carrier rice hull powder.
2. According to the conventional production standard, the special composite trace element semi-finished product is produced according to the following mass proportion for later use. Each kilogram of the catalyst comprises 5000mg of copper, 600mg of iodine, 250mg of selenium, 50000mg of iron, 60000mg of manganese, 65000mg of zinc and the balance of carrier zeolite powder.
3. And (3) microbial liquid: lactobacillus 1.0X 1010cfu/g, bacillus 1.5X 1010cfu/g, yeast 4.0 × 109cfu/g.
Example two (10 days fermentation) group D:
the invention provides a technical scheme that: in order to achieve the purpose, the invention provides the following technical scheme: a functional biological premix feed with microbial activity for laying hens comprises the following components: 1 part by mass of lysine, 2.7 parts by mass of methionine, 30 parts by mass of mountain flour, 8 parts by mass of calcium hydrophosphate, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase (5000IU/g), 0.4 part by mass of complex enzyme, 1 part by mass of 50% choline chloride, 0.7 part by mass of vitamin complex, 2.5 parts by mass of complex trace elements, 0.2 part by mass of microbial liquid, 10 parts by mass of water, 10 parts by mass of bran and 25-30 parts by mass of white spirit.
A preparation method of a functional biological premix feed with microbial activity for laying hens comprises the following steps:
s1: starting up the mixer, turning on a power supply of the mixer, keeping the mixer running, and sequentially adding 10 parts by mass of bran, 25 parts by mass of white spirit vinasse, 30 parts by mass of stone powder, 8 parts by mass of calcium hydrophosphate, 2.5 parts by mass of composite trace elements, 0.2 part by mass of microbial liquid and 10 parts by mass of water;
s2: (mixing) after the feeding is finished, keeping the mixer running for 2-3min to obtain a mixture;
s3: (fermentation) discharging the mixture obtained in the step (2), canning and sealing or packaging the mixture by using a plastic bag with a one-way exhaust valve, and placing the mixture in an environment with the temperature of 28-30 ℃ and the relative humidity of 65-70% for fermentation for 10 days to obtain a fermented material;
s4: (secondary blending) sequentially feeding 1 part by mass of lysine, 2.7 parts by mass of methionine, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase, 0.4 part by mass of complex enzyme, 1 part by mass of choline chloride, 0.7 part by mass of complex vitamin and the fermented material obtained in the step (3) into a mixer in an operating state;
s5: (mixing and packaging) after the feeding is finished, keeping the mixer running for 3-5min, and subpackaging and packaging to obtain the functional biological pre-mixed laying hen feed with microbial activity.
Comparative example a group:
2. according to the conventional production standard, the special vitamin complex semi-finished product is produced according to the following mass ratio for standby. Each kilogram of the vitamin A food comprises 4050 ten thousand IU of vitamin A, 1250 ten thousand IU of vitamin D, 60g of vitamin E, 14g of vitamin K and vitamin B15.80g, vitamin B228g, vitamin B615g, vitamin B120.035g, 110g of nicotinamide, 100g of pantothenic acid, 3.20g of folic acid, 0.8g of biotin and the balance of carrier rice hull powder.
2. According to the conventional production standard, the special composite trace element semi-finished product is produced according to the following mass proportion for later use. Each kilogram of the catalyst comprises 5000mg of copper, 600mg of iodine, 250mg of selenium, 50000mg of iron, 60000mg of manganese, 65000mg of zinc and the balance of carrier zeolite powder.
3. And (3) microbial liquid: lactobacillus 1.0X 1010cfu/g, bacillus 1.5X 1010cfu/g, yeast 4.0 × 109cfu/g.
Example 1: design of experiments
Figure RE-GDA0002997629360000081
Test results
Figure RE-GDA0002997629360000082
Figure RE-GDA0002997629360000091
Conclusion of the experiment
1. The average egg production during the test period was higher in all three test groups than in the control group.
2. The feed-egg ratio, the egg breaking rate and the egg making cost are lower than those of a control group.
3. The death and culling rate is generally good and needs to be verified.
Example 2: design of experiments
Figure RE-GDA0002997629360000092
Test results
Figure RE-GDA0002997629360000093
Figure RE-GDA0002997629360000101
Conclusion of the experiment
1. The average laying rate during the test period of the test group is higher than that of the control group.
2. The egg laying weight and the egg breaking rate are lower than those of a control group.
Comparative example of embodiment: design of experiments
Figure RE-GDA0002997629360000102
Test results
Figure RE-GDA0002997629360000111
Conclusion of the experiment
1. The test shows that the test groups are better than the control group in the aspect of egg-making cost.
2. Different fermentation time has different effects, and the material-egg ratio and the egg-making cost are the lowest when the eggs are fermented for 7 days.
Summary analysis: through experimental analysis of the example B, C, D and the control group a, for the layer biological premix feed prepared in the example, the average laying rate is higher than that of the control group, the egg laying weight and the egg breaking rate are lower than those of the control group, the example B, C, D has bioactive beneficial microorganisms, the production performance and the body health of high-yield layers can be effectively promoted and maintained, the improvement of the egg yield and the reduction of dead-washed layers are shown in breeding practice, and the layer breeding economic benefit is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. A functional biological premix feed with microbial activity for laying hens is characterized in that: comprises the following components: 1 part by mass of lysine, 2.7 parts by mass of methionine, 30 parts by mass of mountain flour, 8 parts by mass of calcium hydrophosphate, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase (5000IU/g), 0.4 part by mass of complex enzyme, 1 part by mass of 50% choline chloride, 0.7 part by mass of vitamin complex, 2.5 parts by mass of complex trace elements, 0.2 part by mass of microbial liquid, 10 parts by mass of water, 10 parts by mass of bran and 25-30 parts by mass of white spirit.
2. A method for preparing a functional layer biological premix feed with microbial activity according to claim 1, which comprises the following steps:
s1: starting up the mixer, turning on a power supply of the mixer, keeping the mixer running, and sequentially adding 10 parts by mass of bran, 25 parts by mass of white spirit vinasse, 30 parts by mass of stone powder, 8 parts by mass of calcium hydrophosphate, 2.5 parts by mass of composite trace elements, 0.2 part by mass of microbial liquid and 10 parts by mass of water;
s2: (mixing) after the feeding is finished, keeping the mixer running for 2-3min to obtain a mixture;
s3: (fermentation) discharging the mixture obtained in the step (2), canning and sealing or packaging the mixture by using a plastic bag with a one-way exhaust valve, and fermenting the mixture for 4 to 10 days in an environment with the temperature of 28 to 30 ℃ and the relative humidity of 65 to 70 percent to obtain a fermented material;
s4: (secondary blending) sequentially feeding 1 part by mass of lysine, 2.7 parts by mass of methionine, 5 parts by mass of sodium chloride, 0.5 part by mass of phytase, 0.4 part by mass of complex enzyme, 1 part by mass of choline chloride, 0.7 part by mass of complex vitamin and the fermented material obtained in the step (3) into a mixer in an operating state;
s5: (mixing and packaging) after the feeding is finished, keeping the mixer running for 3-5min, and subpackaging and packaging to obtain the functional biological pre-mixed laying hen feed with microbial activity.
CN202110138941.1A 2021-02-01 2021-02-01 Functional biological premix feed with microbial activity for laying hens Pending CN113142412A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104397494A (en) * 2014-12-19 2015-03-11 天津正大饲料科技有限公司 Premixed feed for improving egg production and egg quality of hens and preparation method thereof
CN109497336A (en) * 2018-12-26 2019-03-22 青岛普兴生物科技有限公司 A kind of laying hen wet fermentation feed and its production technology
CN110122697A (en) * 2019-04-29 2019-08-16 北农大科技股份有限公司 It is a kind of for improving the Egg Production of Laying Hens later period compound premixed feed of eggshell quality

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104397494A (en) * 2014-12-19 2015-03-11 天津正大饲料科技有限公司 Premixed feed for improving egg production and egg quality of hens and preparation method thereof
CN109497336A (en) * 2018-12-26 2019-03-22 青岛普兴生物科技有限公司 A kind of laying hen wet fermentation feed and its production technology
CN110122697A (en) * 2019-04-29 2019-08-16 北农大科技股份有限公司 It is a kind of for improving the Egg Production of Laying Hens later period compound premixed feed of eggshell quality

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Application publication date: 20210723