Micropterus salmoides feed taking hermetia illucens as raw material

Abstract

The invention discloses a largemouth bass feed taking hermetia illucens as a raw material. Comprising the following raw materials in parts by weight: 150-300 parts of hermetia illucens larva powder, 100-200 parts of fish meal, 50-100 parts of soybean meal, 30-60 parts of wheat flour, 30-50 parts of corn flour, 10-30 parts of casein, 20-40 parts of enzymolysis fish soluble, 10-20 parts of yeast powder, 10-20 parts of fish oil, 20-30 parts of soybean lecithin, 8-15 parts of monocalcium phosphate, 3-8 parts of a vitamin premix, 5-12 parts of a mineral premix, 2-5 parts of choline and 0.2-1.0 part of an antioxidant. 20-40 parts of pregelatinized starch and 3-8 parts of sodium alginate. The feed is reasonable in design, and the formula comprises various raw materials, so that balanced nutrition is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of aquaculture feeds, and particularly to a largemouth bass feed with black soldier fly larvae as raw materials. Background Art

[0002] Largemouth bass is an important economic fish species and is widely cultured due to its delicious meat and fast growth rate. Traditional feeds mainly use fish meal, soybean meal, etc. as the main raw materials. However, with the reduction of fishery resources and the improvement of environmental protection requirements, finding sustainable protein sources has become a research hotspot.

[0003] Black soldier fly is an insect widely distributed. Its larvae have a high protein content and are rich in essential amino acids and fatty acids. Black soldier fly larvae can reproduce by feeding on organic waste, with the advantages of low cost and strong sustainability. In recent years, black soldier fly larvae powder, as a new type of protein source, has gradually been applied to aquatic feeds. However, the special feed formula and preparation method for largemouth bass have not been perfected yet.

[0004] Therefore, we have designed a largemouth bass feed with black soldier fly larvae as raw materials. Summary of the Invention

[0005] The purpose of the present invention is to solve the problems in the prior art, and to provide a largemouth bass feed with black soldier fly larvae as raw materials.

[0006] To achieve the above purpose, the present invention adopts the following technical scheme:

[0007] A largemouth bass feed with black soldier fly larvae as raw materials, comprising the following amounts of raw materials: 150 - 300 parts of black soldier fly larvae powder, 100 - 200 parts of fish meal, 50 - 100 parts of soybean meal, 30 - 60 parts of wheat flour, 30 - 50 parts of corn flour, 10 - 30 parts of casein, 20 - 40 parts of enzymolyzed fish solubles, 10 - 20 parts of yeast powder, 10 - 20 parts of fish oil, 20 - 30 parts of soy lecithin, 8 - 15 parts of monocalcium phosphate, 3 - 8 parts of vitamin premix, 5 - 12 parts of mineral premix, 2 - 5 parts of choline, 0.2 - 1.0 part of antioxidant, 20 - 40 parts of pregelatinized starch, and 3 - 8 parts of sodium alginate.

[0008] Preferably, the antioxidant is one or more of ethoxyquin, butylated hydroxyanisole, or propyl gallate.

[0009] A preparation method of a largemouth bass feed with black soldier fly larvae as raw materials, comprising the following steps:

[0010] S1: Mix the black soldier fly larvae powder, fish meal, soybean meal, wheat flour, corn flour, casein, monocalcium phosphate, vitamin premix, mineral premix, choline, and antioxidant evenly.

[0011] S2: Add fish oil, soy lecithin, enzymatically hydrolyzed fish solubles and yeast powder to the mixture, and continue to stir evenly.

[0012] S3: Add an appropriate amount of water to the mixture to make the moisture content of the raw materials reach 30%-35%, and heat to 50-60°C for conditioning treatment, and maintain for 10-15 minutes.

[0013] S4: Pelletize the conditioned material, and the length of the pellets after pelleting is 2-3 times the diameter.

[0014] S5: Dry the pelleted feed to a moisture content of 10%-12%.

[0015] S6: Package after cooling to room temperature.

[0016] Preferably, in the pelleting step, the die hole diameter of the pellet mill is 2-4 mm.

[0017] Preferably, in the drying step, the drying temperature is 60-70°C and the drying time is 30-40 minutes.

[0018] Preferably, in the cooling step, after cooling to room temperature, the final moisture content of the feed does not exceed 12%.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] 1. The crude protein content in the dry matter of black soldier fly larvae can reach 40%-50%, which is a high-quality protein source, can meet the protein requirements for the growth of largemouth bass, and promote its muscle growth and development; it contains rich essential amino acids, such as lysine, methionine, tryptophan, etc., and the amino acid composition is relatively balanced, which can improve the nutritional value and utilization rate of the feed; antibacterial peptides and chitin and other active substances are contained in the black soldier fly larvae. Antibacterial peptides have broad-spectrum antibacterial properties, can enhance the immunity of largemouth bass, and reduce the occurrence of diseases; chitin can promote intestinal peristalsis and improve intestinal health; the content of lauric acid is relatively high in its fatty acid composition. Lauric acid has antibacterial properties and is easily absorbed and utilized by aquatic animals, which can improve the palatability and energy utilization rate of the feed; black soldier flies can feed on various organic wastes, such as kitchen waste, animal feces, etc., and convert them into high-protein larvae, realizing the resource utilization of wastes and reducing the feed cost.

[0021] 2. Fish meal is a traditional high-quality protein feed with a high crude protein content, generally ranging from 60% to 70%. Moreover, its amino acid composition is relatively close to the nutritional requirements of largemouth bass, making it an indispensable protein source in largemouth bass feed. It is rich in unsaturated fatty acids such as EPA and DHA, which play important roles in the growth, development, and reproduction of largemouth bass, can promote the development of its brain and retina, and improve immunity. It contains mineral elements such as calcium and phosphorus, and the calcium-phosphorus ratio is appropriate, which can meet the needs of largemouth bass for bone growth and tooth development.

[0022] 3. Soybean meal is a high-quality source in vegetable protein feeds, with a crude protein content of about 40% - 45%, and can be used as a supplementary source of protein. Compared with animal proteins such as fish meal, the price of soybean meal is relatively low, which can reduce feed costs. It contains rich lysine and methionine and can be used in combination with fish meal, black soldier fly larvae meal, etc. to optimize the amino acid composition of the feed.

[0023] 4. Casein is a protein with a relatively high purity and a balanced amino acid composition, which can further optimize the protein quality of the feed. It can supplement certain amino acids that may be lacking in other raw materials and improve the nutritional value and utilization rate of the feed.

[0024] 5. Fish oil is rich in EPA and DHA, which play important roles in the development of the brain and retina of largemouth bass and the improvement of immunity.

[0025] 6. Soybean phospholipid is an important component of cell membranes, which can promote the growth and development of largemouth bass. It has an emulsifying effect, can better disperse the oil in the feed, and improve the stability and utilization rate of the feed.

[0026] 7. Monocalcium phosphate is an important mineral source for the bone and tooth development of largemouth bass, which can meet its growth requirements for calcium and phosphorus. It helps to regulate the acid-base balance of the feed and maintain the acid-base balance in the body of largemouth bass.

[0027] 8. Vitamin premix contains various vitamins such as vitamins A, D, E, K, and B vitamins, which can meet the vitamin requirements of largemouth bass and promote its growth, development, and immunity improvement.

[0028] 9. Mineral premix contains various minerals such as iron, zinc, copper, and manganese, which can meet the mineral requirements of largemouth bass and promote its growth and development.

[0029] 10. Choline is an important raw material for synthesizing phospholipids, which can promote fat metabolism, prevent fat accumulation in the liver, and maintain the normal function of the liver. It plays an important role in the development and function of the nervous system of largemouth bass.

[0030] 11. Antioxidants can prevent the oxidation and rancidity of ingredients such as oils and vitamins in feed, extend the shelf life of feed, ensure the stability of nutritional components in feed during storage and use, and maintain their nutritional value. Detailed implementation mode

[0031] Next, the technical solutions in the embodiments of the present invention will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0032] A largemouth bass feed using black soldier fly as raw material, comprising the following amounts of raw materials: 150 - 300 parts of black soldier fly larvae powder, 100 - 200 parts of fish meal, 50 - 100 parts of soybean meal, 30 - 60 parts of wheat flour, 30 - 50 parts of corn flour, 10 - 30 parts of casein, 20 - 40 parts of enzymatically hydrolyzed fish solubles, 10 - 20 parts of yeast powder, 10 - 20 parts of fish oil, 20 - 30 parts of soy lecithin, 8 - 15 parts of calcium dihydrogen phosphate, 3 - 8 parts of vitamin premix, 5 - 12 parts of mineral premix, 2 - 5 parts of choline, 0.2 - 1.0 part of antioxidant, 20 - 40 parts of pregelatinized starch, 3 - 8 parts of sodium alginate.

[0033] The antioxidant is one or more of ethoxyquin, butylated hydroxyanisole or propyl gallate;

[0034] A preparation method of a largemouth bass feed using black soldier fly as raw material, comprising the following steps:

[0035] S1: Mix the black soldier fly larvae powder, fish meal, soybean meal, wheat flour, corn flour, casein, calcium dihydrogen phosphate, vitamin premix, mineral premix, choline and antioxidant evenly;

[0036] S2: Add fish oil, soy lecithin, enzymatically hydrolyzed fish solubles and yeast powder to the mixture and continue to stir evenly;

[0037] S3: Add an appropriate amount of water to the mixture to make the moisture content of the raw materials reach 30% - 35%, and heat to 50 - 60 °C for conditioning treatment, and maintain for 10 - 15 minutes;

[0038] S4: Pelletize the conditioned material, and the length of the pellet after pelleting is 2 - 3 times the diameter;

[0039] S5: Dry the pelleted feed to a moisture content of 10% - 12%;

[0040] S6: Package after cooling to room temperature.

[0041] In the pelleting step, the die hole diameter of the pellet mill is 2 - 4 mm;

[0042] In the drying step, the drying temperature is 60-70 °C and the drying time is 30-40 minutes; in the cooling step, after cooling to room temperature, the final moisture content of the feed does not exceed 12%.

[0043] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A largemouth bass feed with black soldier fly as the raw material, characterized in that, Comprising the following amounts of raw materials: 150 - 300 parts of black soldier fly larvae powder, 100 - 200 parts of fish meal, 50 - 100 parts of soybean meal, 30 - 60 parts of wheat flour, 30 - 50 parts of corn flour, 10 - 30 parts of casein, 20 - 40 parts of enzymatically hydrolyzed fish solubles, 10 - 20 parts of yeast powder, 10 - 20 parts of fish oil, 20 - 30 parts of soy lecithin, 8 - 15 parts of monocalcium phosphate, 3 - 8 parts of vitamin premix, 5 - 12 parts of mineral premix, 2 - 5 parts of choline, 0.2 - 1.0 part of antioxidant, 20 - 40 parts of pregelatinized starch, and 3 - 8 parts of sodium alginate.

2. The largemouth bass feed using black soldier fly as raw material according to claim 1, characterized in that, The antioxidant is one or more of ethoxyquin, butylated hydroxyanisole, or propyl gallate.

3. The preparation method of a largemouth bass feed using black soldier fly as raw material according to claim 1, characterized in that, Including the following steps: S1: Mix the black soldier fly larvae powder, fish meal, soybean meal, wheat flour, corn flour, casein, monocalcium phosphate, vitamin premix, mineral premix, choline, and antioxidant evenly. S2: Add fish oil, soy lecithin, enzymatically hydrolyzed fish solubles, and yeast powder to the mixture and continue to stir evenly. S3: Add an appropriate amount of water to the mixture to make the moisture content of the raw materials reach 30% - 35%, and heat to 50 - 60 °C for conditioning, and maintain for 10 - 15 minutes. S4: Pelletize the conditioned material, and the length of the pellet after pelleting is 2 - 3 times the diameter. S5: Dry the pelleted feed to a moisture content of 10% - 12%. S6: Package after cooling to room temperature.

4. The largemouth bass feed using black soldier flies as raw materials according to claim 3, characterized in that: In the pelleting step, the die hole diameter of the pellet mill is 2 - 4 mm.

5. The largemouth bass feed using black soldier flies as raw materials according to claim 3, characterized in that: In the drying step, the drying temperature is 60 - 70 °C, and the drying time is 30 - 40 minutes.

6. The largemouth bass feed using black soldier flies as raw materials according to claim 3, characterized in that: In the cooling step, after cooling to room temperature, the final moisture content of the feed does not exceed 12%.