CN116076629A - Beta-carotene-rich feed additive for laying hens and preparation method thereof - Google Patents

Beta-carotene-rich feed additive for laying hens and preparation method thereof Download PDF

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CN116076629A
CN116076629A CN202310253321.1A CN202310253321A CN116076629A CN 116076629 A CN116076629 A CN 116076629A CN 202310253321 A CN202310253321 A CN 202310253321A CN 116076629 A CN116076629 A CN 116076629A
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extract
carotene
vitamin
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房司铎
杨宏
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DALIAN HONGJIA ANIMAL HUSBANDRY CO LTD
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
    • A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/02—Breeding vertebrates
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/142—Amino acids; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/158—Fatty acids; Fats; Products containing oils or fats
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/174—Vitamins
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/30—Oligoelements
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

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  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
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  • Inorganic Chemistry (AREA)
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  • Health & Medical Sciences (AREA)
  • Feed For Specific Animals (AREA)
  • Fodder In General (AREA)

Abstract

The invention provides a feed additive rich in beta-carotene for laying hens and a preparation method thereof, belonging to the technical field of feed formulas. According to the invention, the Dunaliella salina extract is added, and through the cooperation of other components, not only can the beta-carotene in the Dunaliella salina extract be subjected to antioxidation protection, but also the absorption of the beta-carotene by the laying hen can be increased, so that the content of the beta-carotene in the egg can be effectively increased, the content of the beta-carotene in the obtained egg can reach 3530 mu g/100g, the chroma of the yolk can reach 8-9, and the daily requirement of a human body on the beta-carotene can be met by eating one egg. The content of vitamin E, vitamin B1, vitamin B2 and zinc in the egg is 48-178% higher than that in common eggs, and the substances can also help the beta-carotene to fully play a role in the process of eating the egg and promote the beta-carotene to be converted into vitamin A.

Description

Beta-carotene-rich feed additive for laying hens and preparation method thereof
Technical Field
The invention relates to the technical field of feed formulas, in particular to a feed additive rich in beta-carotene for laying hens and a preparation method thereof.
Background
Beta-carotene is a natural beta-carotene widely existing in green and yellow vegetables and fruits, a fat-soluble compound and a precursor of vitamin A synthesized by human body, is the safest way to supplement vitamin A at present, maintains nutrients essential to human health, has the effects of preventing and resisting cancer, resisting aging, resisting radiation, preventing cardiovascular diseases, cataract and the like, and further prevents various degradation diseases caused by aging and aging. However, the human body cannot synthesize beta-carotene by itself and can only take the beta-carotene through the outside.
The chicken can efficiently enrich the beta-carotene in the feed into the eggs, so that the beta-carotene-rich eggs can become an important beta-carotene nutrition source in human foods. In general, most of the beta-carotene in eggs is deposited in the yolk of the eggs, and the total lipid content in the yolk is about 28.2%, so that the fat-soluble beta-carotene can be well dissolved, and the absorption of the beta-carotene is facilitated.
At present, although there is also a report of producing eggs rich in carotene or beta-carotene by adding carotene or carrot to feed, for example, chinese patent CN103829049a discloses "a production method for producing eggs rich in cholesterol, carotene and zinc"; chinese patent CN102119767a discloses "a production technology of eggs with high carotene content", but the content of carotene in each 100g egg in these reports is low, which cannot meet the daily requirement of human body for carotene.
Disclosure of Invention
In view of the above, the invention aims to provide the feed additive for the laying hens, which is rich in beta-carotene, and the preparation method thereof, wherein the feed additive for the laying hens is used for feeding the laying hens, can enable the content of the beta-carotene in eggs to reach 3530 mu g/100g, and can meet the daily requirement of human bodies on the beta-carotene by eating one egg.
In order to achieve the above object, the present invention provides the following technical solutions:
a feed additive rich in beta-carotene for laying hens comprises the following components in parts by weight: 100-300 parts of Dunaliella salina extract, 5-15 parts of vitamin E, 110-20 parts of vitamin B, 25-10 parts of vitamin B, 4-8 parts of amino acid zinc, 100-200 parts of eucommia ulmoides extract, 100-200 parts of star anise extract, 100-200 parts of rosemary extract and 20-30 parts of soybean oil.
Preferably, the composition comprises the following components in parts by weight: 180-230 parts of Dunaliella salina extract, 8-12 parts of vitamin E, 115-16 parts of vitamin B, 27-8 parts of vitamin B, 5-6 parts of amino acid zinc, 150-160 parts of eucommia ulmoides extract, 170-180 parts of star anise extract, 150-160 parts of rosemary extract and 24-26 parts of soybean oil.
Preferably, the composition comprises the following components in parts by weight: 200 parts of Dunaliella salina extract, 11 parts of vitamin E, 115 parts of vitamin B, 27 parts of vitamin B, 6 parts of amino acid zinc, 155 parts of eucommia ulmoides extract, 175 parts of star anise extract, 155 parts of rosemary extract and 25 parts of soybean oil.
Preferably, the dunaliella salina extract is a dunaliella salina extract and is in a powder form; the eucommia ulmoides extract is a eucommia ulmoides 10:1 water extract, and is in a powder form; the fructus Anisi Stellati extract is 10:1 water extract of mature fructus Anisi Stellati fruit, and is in powder form; the herba Rosmarini officinalis extract is 10:1 aqueous extract of herba Rosmarini officinalis leaf, and is in the form of powder.
The invention also provides a preparation method of the beta-carotene-rich feed additive for laying hens, which comprises the following steps:
uniformly mixing 1/3-1/2 weight of soybean oil and Dunaliella salina extract to obtain a first mixture;
mixing vitamin B1, vitamin B2, amino acid zinc, eucommiae cortex extract, fructus Anisi Stellati extract, and herba Rosmarini officinalis extract, adding vitamin E and residual soybean oil, and mixing to obtain second mixture;
after the first mixture and the second mixture are uniformly mixed, the mixture is packaged, stored at a low temperature Wen Biguang and prepared for use.
The invention also provides a production process of the beta-carotene-rich egg, which comprises the following steps of:
the feed additive for the laying hens is added into compound feed for the laying hens according to a certain proportion, and the mixture is stirred uniformly to obtain special mixed feed;
and feeding 25-50 weeks old laying hens with the special mixed feed for 21 days to obtain the beta-carotene-rich eggs.
Preferably, the certain proportion is 0.4-0.6% of the weight of the compound feed for the laying hens.
The beneficial technical effects are as follows: according to the invention, the Dunaliella salina extract rich in beta-carotene is added, and the eucommia ulmoides extract, the star anise extract and the rosemary extract are matched with vitamin E, vitamin B1, vitamin B2 and amino acid zinc, so that not only can the beta-carotene in the Dunaliella salina extract be subjected to antioxidation protection, but also the absorption of the beta-carotene by laying hens can be increased, and further the beta-carotene content in eggs can be effectively increased, the beta-carotene content in the eggs can reach 3530 mug/100 g, the chroma of yolk reaches 8-9, and the daily requirement of human bodies on the beta-carotene can be met by eating one egg. The content of vitamin E, vitamin B1, vitamin B2 and zinc in the egg is 48-178% higher than that in common eggs, and the substances can also help the beta-carotene to fully play a role in the process of eating the egg and promote the beta-carotene to be converted into vitamin A.
Detailed Description
The invention provides a feed additive for laying hens, which is rich in beta-carotene and comprises the following components in parts by weight: 100-300 parts of Dunaliella salina extract, 5-15 parts of vitamin E, 110-20 parts of vitamin B, 25-10 parts of vitamin B, 4-8 parts of amino acid zinc, 100-200 parts of eucommia ulmoides extract, 100-200 parts of star anise extract, 100-200 parts of rosemary extract and 20-30 parts of soybean oil.
In the present invention, the dunaliella salina extract is in the form of powder; the Dunaliella salina extract is rich in more than 70 kinds of minerals and trace elements required by human body, such as calcium, iron, zinc, selenium and the like, and 18 kinds of amino acids, wherein the minerals and trace elements are required by human body, and the minerals and the trace elements are required by human body, such as various natural beta-carotene, folic acid, vitamin A, vitamin E, linolenic acid, linoleic acid, lecithin, fucoidin, dietary fibers and the like; wherein the natural beta-carotene can reach 10% -14% of dry weight, which is 1000 times of the content of the beta-carotene of the carrot and 100 times of the content of the beta-carotene of the spirulina; meanwhile, the cis-trans ratio (1:1) of the beta-carotene in the Dunaliella salina extract is consistent with the cis-trans ratio (1:1) of the beta-carotene in human body, so that the Dunaliella salina extract is safe and easy to be absorbed by human body, and has good antioxidant capacity.
In the invention, the eucommia ulmoides extract is preferably prepared by concentrating and refining a 10:1 aqueous extract of eucommia ulmoides dried barks; the eucommia ulmoides extract has the effects of increasing laying rate, improving eggshell quality, increasing egg weight, increasing deposition of proteins, beta-carotene and the like in eggs, improving flavor of eggs, and reducing cholesterol of eggs. The fructus Anisi Stellati extract is preferably prepared by concentrating and refining 10:1 water extract of fructus Anisi Stellati; the fructus Anisi Stellati extract has effects of promoting growth, enhancing immunity, resisting oxidation, and improving product quality for livestock and fowl; the rosemary extract is a 10:1 aqueous extract of rosemary leaves, and is in a powder form; rosemary is a safe, efficient and broad-spectrum natural antioxidant and is used for improving egg laying performance and egg quality in laying hen breeding. The vitamin E, the vitamin B1, the vitamin B2 and the zinc play roles in antioxidation protection and synergistic effect on natural carotene. According to the invention, through the coordination of eucommia ulmoides extracts, star anise extracts and rosemary extracts, vitamin E, vitamin B1, vitamin B2 and amino acid zinc, not only can the beta-carotene in the Dunaliella salina extract be subjected to antioxidation protection, but also the absorption of the beta-carotene by laying hens can be increased, and further the content of the beta-carotene in eggs can be effectively increased.
In the invention, the components in parts by weight are preferably as follows: 180-230 parts of Dunaliella salina extract, 8-12 parts of vitamin E, 115-16 parts of vitamin B, 27-8 parts of vitamin B, 5-6 parts of amino acid zinc, 150-160 parts of eucommia ulmoides extract, 170-180 parts of star anise extract, 150-160 parts of rosemary extract and 24-26 parts of soybean oil.
In the invention, the components in parts by weight are preferably as follows: 200 parts of Dunaliella salina extract, 11 parts of vitamin E, 115 parts of vitamin B, 27 parts of vitamin B, 6 parts of amino acid zinc, 155 parts of eucommia ulmoides extract, 175 parts of star anise extract, 155 parts of rosemary extract and 25 parts of soybean oil.
The invention also provides a preparation method of the beta-carotene-rich feed additive for laying hens, which comprises the following steps:
uniformly mixing 1/3-1/2 weight of soybean oil and Dunaliella salina extract to obtain a first mixture;
in the invention, soybean oil is mixed with the Dunaliella salina extract in advance, so that fat-soluble beta-carotene in the Dunaliella salina extract can be wrapped, and the oxidation of the beta-carotene is further reduced.
Mixing vitamin B1, vitamin B2, amino acid zinc, eucommiae cortex extract, fructus Anisi Stellati extract, herba Rosmarini officinalis extract, and vitamin E and residual soybean oil, and mixing to obtain second mixture;
after the first mixture and the second mixture are uniformly mixed, the mixture is packaged, stored at a low temperature Wen Biguang and prepared for use.
The invention also provides a production process of the beta-carotene-rich egg, which comprises the following steps of:
the feed additive for the laying hens is added into compound feed for the laying hens according to a certain proportion, and the mixture is stirred uniformly to obtain special mixed feed;
in the invention, the certain proportion is preferably 0.4-0.6% of the weight of the compound feed of the laying hens, and more preferably 0.5% of the weight of the compound feed of the laying hens; the compound feed for the laying hens is preferably corn-soybean meal ration; the corn-soybean meal ration consists of the following components in percentage by weight: 63.3% of corn, 25.5% of bean pulp, 0.8% of calcium hydrophosphate, 8.7% of calcium carbonate, 1% of grease, 0.3% of salt, 0.1% of phytase, 0.1% of multi-vitamin laying hen, 0.1% of moldy clear polymineral and 0.1% of probiotics; because beta-carotene is fat-soluble, the invention further promotes the absorption of beta-carotene by maintaining a proper proportion of fat in the ration.
And feeding 25-50 weeks old laying hens with the special mixed feed for 21 days to obtain the beta-carotene-rich eggs.
For a better understanding of the present invention, the following examples are further illustrated, but are not limited to the following examples. Materials, reagents and the like used in the examples and test examples of the present invention can be obtained commercially unless otherwise specified; the methods used in the examples and test examples of the present invention are conventional methods unless otherwise specified.
Example 1
A feed additive rich in beta-carotene for laying hens comprises the following components in parts by weight: 100 parts of Dunaliella salina extract, 5 parts of vitamin E, 110 parts of vitamin B, 25 parts of vitamin B, 4 parts of amino acid zinc, 200 parts of eucommia ulmoides extract, 100 parts of star anise extract, 200 parts of rosemary extract and 20 parts of soybean oil;
the preparation method of the feed additive for the laying hens rich in beta-carotene comprises the following steps: uniformly mixing 1/3 weight of soybean oil and Dunaliella salina extract to obtain a first mixture; mixing vitamin B1, vitamin B2, amino acid zinc, eucommiae cortex extract, fructus Anisi Stellati extract, and herba Rosmarini officinalis extract, adding vitamin E and residual soybean oil, and mixing to obtain second mixture; after the first mixture and the second mixture are uniformly mixed, the mixture is packaged, stored at a low temperature Wen Biguang and prepared for use.
The production process of the beta-carotene-rich eggs comprises the following steps: adding the laying hen feed additive accounting for 0.4 percent of the weight of the feed additive into corn-soybean meal ration, and uniformly stirring to obtain a special mixed feed; 200 laying hens with the age of 25-50 weeks and the egg laying peak period are selected, the production environment accords with the standard of NY/T391-2013 green food production environment quality, and the beta-carotene-rich eggs are obtained after 21 days of feeding the special mixed feed.
Comparative example 1
In the comparative example, no feed additive for laying hens is added, only corn-soybean meal ration in the example is used as laying hen feed, 200 laying hens with 25-50 weeks old and healthy laying peak period are selected, and the production environment accords with NY/T391-2013 'green food production environment quality' standard, and common corn-soybean meal ration is fed.
Comparative example 2
In the comparative example, green vegetables accounting for 25% of the weight of the ration are added into the corn-soybean meal ration in the embodiment of the invention to be used as feed for laying hens. 200 laying hens with the age of 25-50 weeks and the egg laying peak period are selected, the production environment meets the standard of NY/T391-2013 green food production environment quality, and the laying hens are fed with the feed.
Comparative example 3
According to the comparative example, dunaliella salina is taken as a feed additive for laying hens, 0.4% of Dunaliella salina by weight of the Dunaliella salina is added into corn-soybean meal ration, and the mixture is stirred uniformly to obtain mixed feed; 200 laying hens with the age of 25-50 weeks and the egg laying peak period are selected, the production environment meets the standard of NY/T391-2013 green food production environment quality, and the mixed feed is fed.
Comparative example 4
According to the comparative example, the Dunaliella salina extract is only used as a feed additive for laying hens, and 0.4% of the Dunaliella salina extract by weight is added into corn-soybean meal ration, and the mixed feed is obtained after uniform stirring; 200 laying hens with the age of 25-50 weeks and the egg laying peak period are selected, the production environment meets the standard of NY/T391-2013 green food production environment quality, and the mixed feed is fed.
Experimental example 1
Randomly taking the eggs of the example 1 and the comparative examples 1-4 after feeding for 21 days, and detecting the content of beta-carotene in the eggs according to the measurement of the carotene in the GB5009.83-2016 food; the color of the egg yolk was measured by a rogowski color fan, and the measurement results are shown in table 1.
Table 1 contents of substances in egg and results of Rogowski color comparison
Figure BDA0004128599030000061
As can be seen from Table 1, no beta-carotene was detected in the eggs obtained by feeding only corn-soybean meal diet in comparative example 1, and the content of beta-carotene was 4.3 times in the eggs obtained in comparative example 2, 42.6 times in the eggs obtained in comparative example 3, and 2.9 times in the eggs obtained in comparative example 4.
The egg yolk chromaticity of the eggs obtained by the embodiment of the invention can reach 8-9, and the egg yolk chromaticity of the eggs obtained by the comparative example is only 4-5.
Randomly taking the eggs and the common eggs after 21 days of feeding in the example 1, detecting the content of beta-carotene in the eggs according to the determination of carotene in the GB5009.83-2016 food, and detecting the content of vitamin E in the eggs according to the determination of vitamin A, D, E in the GB5009.82-2016 food; detecting the content of vitamin B1 in eggs according to the determination of vitamin B1 in GB5009.84-2016 food; detecting the content of vitamin B2 in eggs according to the determination of vitamin B2 in GB5009.85-2016 food; the zinc content of the eggs was measured according to the measurement of zinc in the food of GB5009.14-2017, and the measurement results are shown in table 2.
Table 2 comparative example 1 and nutrient content of common egg
Nutritional element The product reaches the index Nutrient value of control product Multiple of increase with reference
Beta-carrot mug/100 g 3530 Not detected +3530 times
Emg/100g vitamin 7.91 2.85 +178％
Vitamin B1mg/100g 0.176 Not detected +17.6％
Vitamin B2mg/100g 2.58 1.72 +50％
Zinc mg/kg 13.4 9.1 +47.3％
As can be seen from Table 2, the content of beta-carotene in the eggs obtained by the method can reach 3530 mug/100 g, and the contents of vitamin E, vitamin B1, vitamin B2 and zinc are respectively 178%, 17.6%, 50% and 47.3% higher than those in common eggs, so that the substances can promote the enrichment of the beta-carotene in the eggs, and can also help the beta-carotene to fully play a role in the process of eating the eggs and promote the conversion of the beta-carotene into vitamin A.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (7)

1. The feed additive for the laying hens, which is rich in beta-carotene, is characterized by comprising the following components in parts by weight: 100-300 parts of Dunaliella salina extract, 5-15 parts of vitamin E, 110-20 parts of vitamin B, 25-10 parts of vitamin B, 4-8 parts of amino acid zinc, 100-200 parts of eucommia ulmoides extract, 100-200 parts of star anise extract, 100-200 parts of rosemary extract and 20-30 parts of soybean oil.
2. The feed additive for layer chicken rich in beta-carotene according to claim 1, which is characterized by comprising the following components in parts by weight: 180-230 parts of Dunaliella salina extract, 8-12 parts of vitamin E, 115-16 parts of vitamin B, 27-8 parts of vitamin B, 5-6 parts of amino acid zinc, 150-160 parts of eucommia ulmoides extract, 170-180 parts of star anise extract, 150-160 parts of rosemary extract and 24-26 parts of soybean oil.
3. The feed additive for layer chicken rich in beta-carotene according to claim 1, which is characterized by comprising the following components in parts by weight: 200 parts of Dunaliella salina extract, 11 parts of vitamin E, 115 parts of vitamin B, 27 parts of vitamin B, 6 parts of amino acid zinc, 155 parts of eucommia ulmoides extract, 175 parts of star anise extract, 155 parts of rosemary extract and 25 parts of soybean oil.
4. The beta-carotene rich feed additive for layer chicken of claim 1, wherein the dunaliella salina extract is dunaliella salina extract in powder form; the eucommia ulmoides extract is a eucommia ulmoides 10:1 water extract, and is in a powder form; the fructus Anisi Stellati extract is 10:1 water extract of mature fructus Anisi Stellati fruit, and is in powder form; the herba Rosmarini officinalis extract is 10:1 aqueous extract of herba Rosmarini officinalis leaf, and is in the form of powder.
5. A method for preparing the beta-carotene-rich feed additive for laying hens, as claimed in any one of claims 1 to 4, comprising the steps of:
uniformly mixing 1/3-1/2 weight of soybean oil and Dunaliella salina extract to obtain a first mixture;
mixing vitamin B1, vitamin B2, amino acid zinc, eucommiae cortex extract, fructus Anisi Stellati extract, and herba Rosmarini officinalis extract, adding vitamin E and residual soybean oil, and mixing to obtain second mixture;
after the first mixture and the second mixture are uniformly mixed, the mixture is packaged, stored at a low temperature Wen Biguang and prepared for use.
6. The production process of the beta-carotene-rich eggs is characterized by comprising the following steps of:
adding the feed additive for laying hens according to any one of claims 1-4 into a compound feed for laying hens according to a certain proportion, and uniformly stirring to obtain a special mixed feed;
and feeding 25-50 weeks old laying hens with the special mixed feed for 21 days to obtain the beta-carotene-rich eggs.
7. The process for producing beta-carotene-rich eggs according to claim 6, wherein the certain proportion is 0.4% -0.6% of the weight of the compound feed for laying hens.
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CN104256195A (en) * 2014-10-14 2015-01-07 哈尔滨金玉科技开发有限公司 Chinese herbal medicine feed additive for ducks and preparation method of feed additive
CN110236019A (en) * 2019-07-10 2019-09-17 四川圣迪乐村生态食品股份有限公司 It is a kind of for producing the egg feedstuff and preparation method thereof of anti-oxidant egg

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000060439A (en) * 1998-08-19 2000-02-29 Yoshio Tanaka Production for pelletized feed for hen
CN102550869A (en) * 2012-01-13 2012-07-11 大连赛姆生物工程技术有限公司 Feed additive for production of Beta-carotene-rich eggs and preparation method thereof
CN104256195A (en) * 2014-10-14 2015-01-07 哈尔滨金玉科技开发有限公司 Chinese herbal medicine feed additive for ducks and preparation method of feed additive
CN110236019A (en) * 2019-07-10 2019-09-17 四川圣迪乐村生态食品股份有限公司 It is a kind of for producing the egg feedstuff and preparation method thereof of anti-oxidant egg

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