CN115444076A - Feed capable of increasing DHA content of fish muscle - Google Patents

Feed capable of increasing DHA content of fish muscle Download PDF

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Publication number
CN115444076A
CN115444076A CN202111622517.0A CN202111622517A CN115444076A CN 115444076 A CN115444076 A CN 115444076A CN 202111622517 A CN202111622517 A CN 202111622517A CN 115444076 A CN115444076 A CN 115444076A
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feed
equal
vitamin
meal
crucian
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张平平
邓岳松
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Tangrenshen Group Co ltd
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Tangrenshen Group 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
    • A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
    • A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/22—Animal feeding-stuffs from material of animal origin from fish
    • 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
    • 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
    • A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • 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
    • A23K20/105—Aliphatic or alicyclic compounds
    • 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
    • A23K20/163—Sugars; Polysaccharides
    • 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
    • A23K20/24—Compounds of alkaline earth metals, e.g. magnesium
    • 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
    • A23K20/26—Compounds containing phosphorus
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish
    • Y02A40/818—Alternative feeds for fish, e.g. in aquacultures

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Abstract

The invention provides a feed capable of improving DHA content of fish muscle, which comprises 0.1-0.2 wt% of DHA algae oil, 0.1-0.2 wt% of methionine, 0.1-0.2 wt% of lysine, 0.5-1 wt% of compound vitamin and 0.5-1 wt% of compound mineral element. According to the invention, DHA algae oil, methionine, lysine, compound vitamins and compound mineral elements are added, so that the DHA content in fish muscle can be effectively increased, the weight gain rate and the survival rate of fish are improved, and the health level of fish is improved.

Description

Feed capable of increasing DHA content of fish muscle
Technical Field
The invention belongs to the field of feeds, and particularly relates to a feed capable of improving DHA content of fish muscle.
Background
DHA (docosahexaenoic acid) belongs to omega-3 series long-chain polyunsaturated fatty acid, has important physiological function to organism, has vital function to infantile cranial nerve growth and development, infantile visual development, children intelligence development, etc., and has antiallergic and organism immunity enhancing functions. Animals and humans cannot synthesize them by themselves, must be supplied from foreign foods, and belong to essential fatty acids.
Crucian is one of the most common freshwater fishes in China, has the characteristics of omnivorous fishes, wide feeding property, strong adaptability, strong fecundity, strong disease resistance, fast growth, low requirement on water temperature and the like, and is one of the main culture types in bulk freshwater fishes in China. The crucian carp has tender meat, high nutritional value, contains a large amount of mineral substances such as calcium, phosphorus, iron and the like, is a fish with high protein, low fat and high nutritional value, is a high-quality, low-price and sufficient protein source in national dietary structure, has the lactation promotion effect, and is often used for nourishing bodies of pregnant and lying-in women and promoting milk secretion.
With the continuous development of crucian scale breeding, the problem of crucian diseases and the large fluctuation of market quotation cause adverse effects on the healthy development of crucian breeding industry. The feed plays an important role in the crucian breeding process, the malignant competition of feed enterprises also causes the annual decline of the quality of feed products, and the breeding yield and the economic benefit are also poor. Most manufacturers in the market are forced to be under market competition pressure, the produced crucian feed cannot completely meet the growth requirement of crucians, the bait coefficient of most crucian feeds is higher than 1.5, the incidence of crucian hemorrhagic disease, liver and gall problems and enteritis is high, the enthusiasm of crucian farmers is seriously attacked, and the healthy development of crucian aquaculture industry is not facilitated. The whole aquaculture industry is influenced by various factors such as aquaculture yield, market supply, logistics transportation, diseases and the like, products are not special, most of farmers can only go to the market at any time, and aquaculture benefits are difficult to promote.
In order to promote the healthy development of the crucian breeding industry, a special crucian feed capable of effectively improving the crucian breeding yield and economic benefits is urgently needed. Meanwhile, the additional value of the crucian aquatic products can be improved by improving the DHA content in the crucian muscles, the brand of the established functional crucian aquatic products can be improved, and the healthy and benign development of the crucian breeding industry in China can be further promoted.
Disclosure of Invention
The invention provides a feed for improving the content of DHA in fish muscle.
The invention provides a feed capable of improving DHA content of fish muscle and a preparation method thereof, wherein the feed comprises the following components:
15 to 25 weight percent of soybean meal, 5 to 10 weight percent of sunflower seed meal, 5 to 10 weight percent of peanut meal, 10 to 15 weight percent of seed-added vegetable meal, 18 to 25 weight percent of flour, 10 to 20 weight percent of imported steam fish meal, 3 to 8 weight percent of rice bran, 3 to 5 weight percent of spirulina powder, 1 to 2 weight percent of yeast extract, 4 to 6 weight percent of soybean oil, 1 to 2 weight percent of monocalcium phosphate, 0.1 to 0.2 weight percent of taurine, 0.1 to 0.3 weight percent of choline chloride, 0.05 to 0.1 weight percent of astragalus polysaccharide, 0.05 to 0.1 weight percent of eucommia bark extract, 0.05 to 0.1 weight percent of bile acid, 0.1 to 0.2 weight percent of DHA algal oil, 0.1 to 0.2 weight percent of methionine, 0.1 to 0.2 weight percent of lysine, 0.5 to 1 weight percent of vitamin complex, and 0.5 to 1 weight percent of complex mineral elements.
Further, the compound vitamin comprises the following components in percentage by weight: more than or equal to 100000IU/kg of vitamin A, more than or equal to 80000IU/kg of vitamin D3, more than or equal to 1900mg/kg of vitamin E, more than or equal to 250mg/kg of vitamin K3, more than or equal to 300mg/kg of vitamin B1, more than or equal to 350mg/kg of vitamin B2, more than or equal to 300mg/kg of vitamin B6, more than or equal to 2mg/kg of vitamin B12, more than or equal to 3500mg/kg of vitamin C, more than or equal to 2300mg/kg of nicotinamide, more than or equal to 1200mg/kg of D-calcium pantothenate, more than or equal to 150mg/kg of folic acid, more than or equal to 5mg/kg of D-biotin and more than or equal to 2800mg/kg of inositol. According to the technical scheme, the multivitamin can meet the requirements, and the balance of the multivitamin is a common carrier. The complex vitamin carrier in the application can adopt the common substances in the prior art, and is not limited by the carrier in the application.
Further, the composite mineral comprises the following components in percentage by weight: more than 500mg/kg of magnesium, more than 2200mg/kg of zinc, more than 1000mg/kg of manganese, more than 1000mg/kg of copper, more than 10000mg/kg of iron, more than 110mg/kg of cobalt, more than 80mg/kg of iodine and more than 20mg/kg of selenium. According to the technical scheme, the composite mineral can meet the requirements, and the balance of the composite mineral is a common carrier for the composite mineral. The complex vitamin carrier in the application can adopt the common substances in the prior art, and is not limited by the carrier in the application.
Furthermore, the DHA algae oil is produced by a schizochytrium limacinum fermentation method, has high yield and good safety, and is easy to enrich in crucian.
Furthermore, the astragalus polysaccharide is used in the invention, is one of the main active ingredients of the herbal astragalus, has the effects of resisting virus and improving immunity, and is beneficial to preventing the hemorrhagic disease of crucian and improving the immunity of crucian.
Furthermore, the invention uses bile acid and taurine which play an important role in the digestion and absorption process of the nutrient substances of aquatic animals, can promote the emulsification of fat, improve the activity of organism lipase, play a role in protecting liver and gallbladder, effectively improve the digestion and absorption of crucian to the nutrition of feed, reduce the load of liver and gallbladder and reduce the occurrence of liver and gallbladder syndrome and enteritis.
Furthermore, the eucommia ulmoides extract is used in the invention, is an effective active ingredient extracted from the herb eucommia ulmoides leaves, is rich in active substances such as chlorogenic acid, eucommia ulmoides flavone and eucommia ulmoides polysaccharide, has the effects of resisting bacteria, promoting growth, resisting oxidation and stress and the like, can effectively replace antibiotics in aquaculture, and plays a role in preventing aquatic animal diseases. And the feed additive is a pure green natural plant extract, cannot cause the problems of drug resistance and the like, and is a safe and effective green feed additive for preventing aquatic animal diseases. The disease resistance and prevention capability of the crucian can be further improved, and the growth of the crucian can be promoted.
The invention also provides a preparation method of the feed for improving the DHA content of the crucian muscles, which comprises the steps of fully premixing rice bran, taurine, choline chloride, DHA algae oil, methionine, lysine and the like, carrying out superfine grinding, and then carrying out steam full tempering, granulation and cooling to obtain the feed. All the raw materials are subjected to superfine grinding, and then the ground raw materials reach the grinding fineness of more than 90 percent and pass through a 80-mesh screen, so that the digestibility of the feed in the crucian is further improved.
Compared with the prior art, the invention has the following advantages:
1. the fish feed provided by the invention fully considers the nutritional requirements of fish, and is obtained by optimizing and adjusting according to a reasonable animal protein and plant protein ratio; the feed has the advantages of comprehensive and balanced nutrition, good digestion and absorption effects, healthier intestinal tract, high growth speed, strong disease resistance, low feed coefficient and good economic benefit.
2. The fish feed disclosed by the invention is added with natural plant active ingredients, is safe and free of drug resistance, has the effects of improving immunity, resisting bacteria and viruses, can improve the disease resistance of fish, and can effectively prevent fish from generating bleeding disease, so that the economic benefit of culture is improved, and the DHA content in fish muscle is effectively improved.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, 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 of the embodiments.
The composite vitamins adopted in examples 1 to 4 and comparative examples 1 to 4 of the invention comprise the following components in percentage by weight: 120000IU/kg of vitamin A, 3 85000IU/kg of vitamin D, 2000mg/kg of vitamin E, 300mg/kg of vitamin K, 320mg/kg of vitamin B, 400mg/kg of vitamin B, 6mg/kg of vitamin B, 12 mg/kg of vitamin B, 4000mg/kg of vitamin C, 2500mg/kg of nicotinamide, 1250mg/kg of D-calcium pantothenate, 200mg/kg of folic acid, 6mg/kg of D-biotin, 3000mg/kg of inositol and the balance of a compound vitamin carrier.
The composite minerals used in examples 1 to 4 of the present invention and comparative examples 1 to 4 contained: 600mg/kg of magnesium, 2250mg/kg of zinc, 1100mg/kg of manganese, 1050mg/kg of copper, 11000mg/kg of iron, 120mg/kg of cobalt, 90mg/kg of iodine, 25mg/kg of selenium and the balance of a composite mineral carrier.
Example 1
The embodiment of the invention discloses a feed for improving the DHA content of crucian muscles, which comprises the following raw materials in percentage by weight based on the total mass of the raw materials: 20wt% of soybean meal, 5wt% of sunflower seed meal, 8wt% of peanut meal, 10wt% of rapeseed meal, 20wt% of flour, 18wt% of import steam fish meal, 5wt% of rice bran, 3wt% of spirulina powder, 1wt% of yeast extract, 6wt% of soybean oil, 1.8wt% of monocalcium phosphate, 0.1wt% of taurine, 0.3wt% of choline chloride, 0.1wt% of astragalus polysaccharide, 0.1wt% of eucommia bark extract, 0.1wt% of bile acid, 0.2wt% of DHA algal oil, 0.2wt% of methionine, 0.1wt% of lysine, 1wt% of vitamin complex and 1wt% of mineral complex elements.
Example 2
The embodiment of the invention discloses a feed for improving the DHA content of crucian muscles, which comprises the following raw materials in percentage by weight based on the total mass of the raw materials: 22wt% of soybean meal, 8wt% of sunflower seed meal, 5wt% of peanut meal, 10wt% of seed added vegetable meal, 20wt% of flour, 15wt% of imported steam fish meal, 3wt% of rice bran, 5wt% of spirulina powder, 2wt% of yeast extract, 5wt% of soybean oil, 1.7wt% of calcium dihydrogen phosphate, 0.2wt% of taurine, 0.2wt% of choline chloride, 0.1wt% of astragalus polysaccharide, 0.1wt% of eucommia bark extract, 0.1wt% of bile acid, 0.2wt% of DHA algae oil, 0.2wt% of methionine, 0.2wt% of lysine, 1wt% of vitamin complex and 1wt% of mineral complex elements.
Example 3
The embodiment discloses a feed for improving the DHA content of crucian muscles, which comprises the following raw materials in percentage by weight based on the total mass of the raw materials: 15wt% of soybean meal, 6wt% of sunflower seed meal, 5wt% of peanut meal, 12wt% of added seed meal, 23wt% of flour, 20wt% of imported steam fish meal, 5wt% of rice bran, 3wt% of spirulina powder, 1wt% of yeast extract, 5wt% of soybean oil, 1.7wt% of calcium dihydrogen phosphate, 0.1wt% of taurine, 0.3wt% of choline chloride, 0.1wt% of astragalus polysaccharide, 0.1wt% of eucommia bark extract, 0.1wt% of bile acid, 0.2wt% of DHA algae oil, 0.2wt% of methionine, 0.2wt% of lysine, 1wt% of vitamin complex and 1wt% of mineral complex elements.
Example 4
The embodiment of the invention discloses a feed for improving the DHA content of crucian muscles, which comprises the following raw materials in percentage by weight based on the total mass of the raw materials: 18wt% of soybean meal, 6wt% of sunflower seed meal, 10wt% of peanut meal, 14wt% of seed added vegetable meal, 20wt% of flour, 14wt% of imported steam fish meal, 3wt% of rice bran, 3wt% of spirulina powder, 2wt% of yeast extract, 5wt% of soybean oil, 1.7wt% of calcium dihydrogen phosphate, 0.1wt% of taurine, 0.3wt% of choline chloride, 0.1wt% of astragalus polysaccharide, 0.1wt% of eucommia bark extract, 0.1wt% of bile acid, 0.2wt% of DHA algae oil, 0.2wt% of methionine, 0.2wt% of lysine, 1wt% of vitamin complex and 1wt% of mineral complex elements.
Comparative example 1
The crucian feed in the comparative example is different from example 1 in that DHA algae oil is not contained, and the rest are the same.
Comparative example 2
The crucian feed in the comparative example is different from the crucian feed in example 2 in that no DHA algae oil is contained, and the rest are the same.
Comparative example 3
The crucian feed in the comparative example is different from that in example 1 in that no DHA algae oil is contained, and the others are the same.
Comparative example 4
The crucian feed in the comparative example is different from the crucian feed in example 2 in that no DHA algae oil is contained, and the rest are the same.
The preparation methods of the feeds of the above examples and comparative examples are as follows: the method comprises the steps of premixing rice bran, taurine, choline chloride, DHA algal oil, methionine and lysine in the raw materials of the feed, mixing the premixed materials with other raw materials, carrying out superfine grinding, enabling the raw materials accounting for more than 90% of the total weight of the feed to pass through a 80-mesh sieve, and then carrying out steam full tempering, granulation and cooling to obtain the corresponding crucian feed.
The crucian feeds prepared in examples 1-4 and comparative examples 1-4 were used to feed eight groups of crucian, each group of crucian having 50 tails/barrel and a mean weight of 50 g/tail. The culture time is from 5 months, the culture period is 30 days, feeding is carried out for three times a day, and the average feeding amount per day is 3%.
The breeding experiment has the following comparison effects:
Figure BDA0003437994220000041
Figure BDA0003437994220000051
as can be seen from the above table, the crucian breeding effect of the crucian feed prepared in the embodiment 1-4 of the invention is significantly better than that of the comparative example 1-4. The survival rates of the crucian carps in the examples 1 to 4 are all more than 90 percent, the average weight gain is about 180g, and the survival rates in the comparative examples 1 to 4 are respectively 90.3 percent, 84.9 percent, 86.6 percent and 83.6 percent. It can be clearly seen that the DHA content of the examples 1-4 is obviously higher than that of the comparative examples 1-4, and the DHA can be well enriched in the crucian body while the muscle fat of the crucian is not increased too much. In addition, compared with the comparative example 4, the DHA algae oil is only additionally added in the example 4 of the invention, so that the weight and survival rate of the fish are obviously improved.
The crucian feed prepared by the invention has the advantages of comprehensive and balanced nutrition, strong disease resistance, growth promotion, low feed coefficient and the like, embodies remarkable breeding effect in the crucian breeding process, and can better enrich DHA in crucian bodies. The invention completely adopts feed raw materials allowed by national regulations, does not contain any prohibited components, fully considers factors such as feed food calling effect, digestibility, animal intestinal health, meat quality and flavor and the like through reasonable collocation and optimized design of various raw materials, and provides a safe and efficient special feed for crucian for producing crucian products with high added value.
It should be noted that, although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can modify and substitute the specific embodiments of the present invention without departing from the scope of the appended claims.

Claims (10)

1. The feed capable of improving the DHA content of fish muscles is characterized by comprising 0.1-0.2 wt% of DHA algae oil, 0.1-0.2 wt% of methionine, 0.1-0.2 wt% of lysine, 0.5-1 wt% of compound vitamin and 0.5-1 wt% of compound mineral elements.
2. The feed of claim 1, wherein the multivitamins comprise the following components in percentage by weight: more than or equal to 100000IU/kg of vitamin A, more than or equal to 80000IU/kg of vitamin D3, more than or equal to 1900mg/kg of vitamin E, more than or equal to 250mg/kg of vitamin K3, more than or equal to 300mg/kg of vitamin B1, more than or equal to 350mg/kg of vitamin B2, more than or equal to 300mg/kg of vitamin B6, more than or equal to 2mg/kg of vitamin B12, more than or equal to 3500mg/kg of vitamin C, more than or equal to 2300mg/kg of nicotinamide, more than or equal to 1200mg/kg of D-calcium pantothenate, more than or equal to 150mg/kg of folic acid, more than or equal to 5mg/kg of D-biotin and more than or equal to 2800mg/kg of inositol.
3. The feed according to claim 1, wherein the complex mineral elements comprise the following components: more than 500mg/kg of magnesium, more than 2200mg/kg of zinc, more than 1000mg/kg of manganese, more than 1000mg/kg of copper, more than 10000mg/kg of iron, more than 110mg/kg of cobalt, more than 80mg/kg of iodine and more than 20mg/kg of selenium.
4. The feed of claim 1, wherein the feed further comprises monocalcium phosphate 1-2 wt%, taurine 0.1-0.2 wt%, and choline chloride 0.1-0.3 wt%.
5. The feed of claim 1, further comprising 0.05wt% to 0.1wt% of astragalus polysaccharides, 0.05wt% to 0.1wt% of eucommia ulmoides extracts, and 0.05wt% to 0.1wt% of bile acids.
6. The feed of claim 1, wherein the feed further comprises 1-2 wt% of yeast extract and 3-5 wt% of spirulina powder.
7. The feed of claim 1, wherein the feed further comprises 10wt% to 20wt% of fish meal, 3wt% to 8wt% of rice bran, and 4wt% to 6wt% of soybean oil.
8. The feed of claim 1, further comprising 15wt% -25wt% of soybean meal, 5wt% -10wt% of sunflower seed meal, 5wt% -10wt% of peanut meal, 10wt% -15wt% of seed meal, 18wt% -25wt% of flour, 10wt% -20wt% of fish meal, 3wt% -8wt% of rice bran, and 4wt% -6wt% of soybean oil.
9. The feed according to any one of claims 1 to 8, wherein the feed is obtained by micronizing, and then fully tempering with steam, granulating, and cooling.
10. The feed of claim 9, wherein more than 90% of the feed material is sieved through a 80 mesh sieve.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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