Chilo suppressalis artificial feeding feed and preparation method thereof

Abstract

The invention discloses a chilo suppressalis artificial feeding feed and a preparation method thereof, and belongs to the technical field of feeds. The invention discloses a preparation method of an anti-aging agent. The feed is prepared from the following raw materials: 7.5 to 10.0 percent of soybean meal, 5.0 to 6.0 percent of yeast powder, 3.0 to 4.0 percent of sucrose, 3.0 to 4.0 percent of casein, 2.0 to 2.8 percent of rice husk meal, 3.0 to 3.5 percent of rice stem powder, 0.1 to 0.2 percent of formaldehyde solution, 3.0 to 3.5 percent of agar, 0.6 to 0.8 percent of ascorbic acid, 0.005 to 0.01 percent of vitamin B complex, 0.04 to 0.1 percent of choline chloride, 0.045 to 0.065 percent of cholesterol, 0.2 to 0.35 percent of sorbic acid, 0.03 to 0.035 percent of Webster salt, 0.3 to 0.35 percent of methylparaben, 30 to 32 percent of zizania latifolia and the balance of water. The survival rate, feed utilization rate, insect body conversion rate and shelf life of the chilo suppressalis can be effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of feed, in particular to an artificial feeding feed for Chilo suppressalis and a preparation method thereof. Background Art

[0002] The existence of rice pests is one of the main reasons for rice yield reduction, and the Chilo suppressalis, as one of the most serious pests that harm rice, is urgently needed for its prevention and control. The research on the biological characteristics, growth and development rules and prevention and control technology of the Chilo suppressalis is of great significance to agricultural production. In the research process of the Chilo suppressalis, artificial breeding is an indispensable link. The existing Chilo suppressalis artificial breeding feed has the problems of cumbersome preparation method, high labor time cost, unbalanced nutrients, easy deterioration, etc., which seriously affects the growth and development of the Chilo suppressalis. At the same time, when the Chilo suppressalis is artificially raised, in addition to strict environmental requirements, the moisture, hardness, taste and nutritional components of the artificial feed are also strictly required. Therefore, it is urgent to develop a new feed to improve the utilization rate of the feed and the survival rate of the insects, promote the healthy growth of the artificial breeding of the Chilo suppressalis, and allow the research to proceed smoothly. Summary of the invention

[0003] The invention aims to provide an artificial feeding feed for striped stem borer and a preparation method thereof, so as to solve the problems of the existing artificial feeding feed for striped stem borer, such as complicated preparation method, easy deterioration of feed, unbalanced nutritional components, etc.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] One of the technical solutions of the present invention is an artificial feeding feed for striped stem borer. The raw materials include, by mass percentage, 7.5-10.0% of soybean powder, 5.0-6.0% of yeast powder, 3.0-4.0% of sucrose, 3.0-4.0% of casein, 2.0-2.8% of rice bran powder, 3.0-3.5% of rice stem powder, 0.1-0.2% of formaldehyde solution, 3.0-3.5% of agar, 0.6-0.8% of ascorbic acid, 0.005-0.01% of complex vitamin B, 0.04-0.1% of choline chloride, 0.045-0.065% of cholesterol, 0.2-0.35% of sorbic acid, 0.03-0.035% of Webster salt, 0.3-0.35% of methyl paraben, 30-32% of wild rice stem and the balance of water.

[0006] Wild rice stem and rice are the favorite foods of the Chilo suppressalis. Adding fresh wild rice stem and rice bran powder and rice stem powder to the feed can attract more Chilo suppressalis to feed. Adding methylparaben can maintain the taste and aroma of the feed and keep the Chilo suppressalis feeding. The addition of wild rice stem, rice bran powder, rice stem powder and methylparaben can effectively increase the Chilo suppressalis's food intake. Other components in the feed can be combined with wild rice stem, rice bran powder and rice stem powder to provide Chilo suppressalis with sufficient and balanced nutrition. The synergistic effect of various components in the feed can effectively improve the survival rate, feed utilization rate and insect body conversion rate of Chilo suppressalis.

[0007] In addition, formaldehyde solution, sorbic acid and methyl paraben have excellent preservative effects and can effectively improve the shelf life of feed.

[0008] Further preferably, the raw material composition of the artificial feeding feed for striped stem borer is, by mass percentage, 8.0% soybean meal, 5.6% yeast powder, 3.0% sucrose, 3.0% casein, 2.4% rice bran powder, 3.0% rice stem powder, 0.2% formaldehyde solution, 3.2% agar, 0.8% ascorbic acid, 0.01% vitamin B complex, 0.1% choline chloride, 0.06% cholesterol, 0.3% sorbic acid, 0.03% Webster salt, 0.3% methyl paraben, 30% wild rice stem and the balance water.

[0009] Ascorbic acid, vitamin B complex, choline chloride, cholesterol, sorbic acid, Webster salt and methylparaben in the raw materials can be regarded as excipients.

[0010] Furthermore, the concentration of the formaldehyde solution is 40wt%.

[0011] Furthermore, the wild rice stem is fresh wild rice stem pulp.

[0012] The second technical solution of the present invention: the preparation method of the above-mentioned artificial feeding feed for Chilo suppressalis comprises the following steps:

[0013] Agar and part of water are mixed, and dissolved under high-pressure steam heating conditions to obtain an agar solution; wild rice stem and remaining water are mixed, and juice is squeezed to obtain wild rice stem juice; soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder, methyl paraben, the agar solution and the wild rice stem juice are mixed, boiled for 5-10 minutes, and then ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and complex vitamin B are added, stirred evenly, and solidified to obtain the artificial breeding feed for striped stem borer.

[0014] In the traditional feed boiling method, inexperienced personnel are prone to making the agar mushy or insufficiently dissolved. The present invention can avoid this problem by dissolving the agar separately by high-pressure steam heating. At the same time, the boiling method can artificially control the moisture content of the feed and allow the various components to be completely dissolved together. The agar dissolution and wild rice stem juicing can be carried out at the same time, which can save time and cost. The preparation process of the present invention is simple, and the first-time production success rate is extremely high.

[0015] Furthermore, the dissolving under high-pressure steam heating conditions is specifically dissolving in a high-pressure steam autoclave.

[0016] Furthermore, the high-pressure steam heating conditions include: a temperature of 121°C-124°C and a pressure of 103 kPa.

[0017] Furthermore, the high-pressure steam heating conditions also include: the time is preferably 10 minutes.

[0018] Furthermore, the mixing of soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder, methyl paraben, the agar solution and the wild rice stem juice comprises: firstly mixing soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder and methyl paraben, and then adding the agar solution and wild rice stem juice.

[0019] Furthermore, the boiling temperature is 60°C-100°C.

[0020] The boiling process can inactivate the yeast (inactivated yeast has rich nutrients, smooth taste and loses its fermentation function). At the same time, the humidity of the feed can be artificially controlled by controlling the boiling temperature and time.

[0021] Furthermore, the waiting for solidification is performed at room temperature.

[0022] Furthermore, mixing agar with part of the water comprises: mixing agar with water whose mass is 50wt% of the mass of all the water.

[0023] The third technical solution of the present invention: application of the above-mentioned artificial breeding feed for Chilo suppressalis in artificial breeding of Chilo suppressalis.

[0024] The present invention discloses the following technical effects:

[0025] The invention provides an artificial feeding feed for striped stem borer. The raw materials include: 7.5-10.0% of soybean powder, 5.0-6.0% of yeast powder, 3.0-4.0% of sucrose, 3.0-4.0% of casein, 2.0-2.8% of rice bran powder, 3.0-3.5% of rice stem powder, 0.1-0.2% of formaldehyde solution, 3.0-3.5% of agar, 0.6-0.8% of ascorbic acid, 0.005-0.01% of complex vitamin B, 0.04-0.1% of choline chloride, 0.045-0.065% of cholesterol, 0.2-0.35% of sorbic acid, 0.03-0.035% of Webster salt, 0.3-0.35% of methyl paraben, 30-32% of wild rice stem and the balance of water. The above components work synergistically to effectively improve the survival rate, feed utilization rate, insect body conversion rate and shelf life of the Chilo suppressalis.

[0026] The preparation process of the invention is simple and the first-time preparation success rate is extremely high. DETAILED DESCRIPTION

[0027] Various exemplary embodiments of the present invention will now be described in detail. This detailed description should not be considered as limiting the present invention, but should be understood as a more detailed description of certain aspects, features, and embodiments of the present invention.

[0028] It should be understood that the terms described in the present invention are only for describing special embodiments and are not intended to limit the present invention. In addition, for the numerical range in the present invention, it should be understood that each intermediate value between the upper and lower limits of the scope is also specifically disclosed. Each smaller range between the intermediate value in any stated value or stated range and any other stated value or intermediate value in the described range is also included in the present invention. The upper and lower limits of these smaller ranges can be independently included or excluded in the scope.

[0029] Unless otherwise indicated, all technical and scientific terms used herein have the same meanings as those generally understood by those skilled in the art. Although the present invention describes only preferred methods and materials, any methods and materials similar or equivalent to those described herein may also be used in the implementation or testing of the present invention. All documents mentioned in this specification are incorporated by reference to disclose and describe the methods and / or materials associated with the documents. In the event of a conflict with any incorporated document, the content of this specification shall prevail.

[0030] It will be apparent to those skilled in the art that various modifications and variations may be made to the specific embodiments of the present invention description without departing from the scope or spirit of the present invention. Other embodiments derived from the present invention description will be apparent to those skilled in the art. The present application description and examples are exemplary only.

[0031] The words “include,” “including,” “have,” “contain,” etc. used in this document are open-ended terms, meaning including but not limited to.

[0032] It should be pointed out that the matters not described in detail in the present invention are conventional operating means in the art and are not the focus of the present invention.

[0033] The room temperature involved in the specific implementation manner of the present invention specifically refers to 20-30°C.

[0034] All raw materials used in the specific implementation of the present invention are common commercial products unless otherwise specified. Among them, the vitamin B complex is Huiqianfang veterinary vitamin B complex soluble powder.

[0035] Example 1

[0036] The raw material composition of the artificial feeding feed of Chilo suppressalis is as follows: 40g soybean meal, 28g yeast powder, 15g sucrose, 15g casein, 12g rice bran powder, 15g rice stem powder, 1.0g formaldehyde solution (concentration is 40wt%), 16g agar, 4g ascorbic acid, 0.05g complex vitamin B, 0.5g choline chloride, 0.3g cholesterol, 1.5g sorbic acid, 0.15g Wei's salt, 1.5g methyl paraben, 150g fresh wild rice pulp, and 200g distilled water;

[0037] The preparation steps of artificial feeding feed for Chilo suppressalis are as follows:

[0038] First, agar and part of distilled water (100g) are added to a conical flask, and the bottle mouth is wrapped with tinfoil and then put into a high pressure steam sterilizing pot (temperature is 121 ℃-124 ℃, pressure is 103kPa), and agar is waited to be completely dissolved (agar is completely dissolved after 10 minutes). At the same time, fresh wild rice pulp and residual distilled water (100g) are put into a juicer to squeeze the juice to obtain wild rice juice. And soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder and methyl paraben are added to a stainless steel pot, after the agar in the high pressure steam sterilizing pot is completely dissolved, the agar solution obtained and the wild rice juice are poured into a stainless steel pot, and then the stainless steel pot is placed on an electromagnetic cooker and boiled at 80 ℃-85 ℃ for 10 minutes, and finally ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and vitamin B complex are added, and stirred evenly, and the feed is waited to solidify under room temperature to obtain the artificial feeding feed of striped stem borer.

[0039] Comparative Example 1

[0040] The raw material composition of the artificial feeding feed of Chilo suppressalis is as follows: 40g soybean powder, 28g yeast powder, 15g sucrose, 15g casein, 1.0g formaldehyde solution (concentration is 40wt%), 16g agar, 4g ascorbic acid, 0.05g vitamin B complex, 0.5g choline chloride, 0.3g cholesterol, 1.5g sorbic acid, 0.15g Wei's salt, 1.5g methyl paraben, 150g fresh wild rice pulp, and 227g distilled water;

[0041] The preparation steps of artificial feeding feed for Chilo suppressalis are as follows:

[0042] First, agar and part of distilled water (100g) are added to a conical flask, and the bottle mouth is wrapped with tinfoil and then put into a high pressure steam sterilizer (temperature is 121°C-124°C, pressure is 103kPa), and agar is waited to be completely dissolved (agar is completely dissolved after 10 minutes). At the same time, fresh wild rice pulp and residual distilled water (100g) are put into a juicer to squeeze the juice to obtain wild rice juice. And soybean powder, sucrose, yeast powder, casein and methyl paraben are added to a stainless steel pot, after the agar in the high pressure steam sterilizer is completely dissolved, the agar solution obtained and the wild rice juice are poured into a stainless steel pot, and then the stainless steel pot is placed on an electromagnetic cooker and boiled at 80-85°C for 10 minutes, and finally ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and vitamin B complex are added, and stirred evenly, and the feed is waited to solidify under room temperature to obtain the artificial feeding feed of striped stem borer.

[0043] The difference between this comparative example and Example 1 is mainly that the use of rice bran powder and rice stem powder is omitted.

[0044] Comparative Example 2

[0045] The raw material composition of the artificial feeding feed of Chilo suppressalis is as follows: 40g soybean meal, 28g yeast powder, 15g sucrose, 15g casein, 12g rice bran powder, 15g rice stem powder, 1.0g formaldehyde solution (concentration is 40wt%), 16g agar, 4g ascorbic acid, 0.05g complex vitamin B, 0.5g choline chloride, 0.3g cholesterol, 1.5g sorbic acid, 0.15g Wei's salt, 150g fresh wild rice pulp, and 201.5g distilled water;

[0046] The preparation steps of artificial feeding feed for Chilo suppressalis are as follows:

[0047] First, agar and part of distilled water (100g) are added to a conical flask, and the bottle mouth is wrapped with tin foil and placed in a high-pressure steam sterilizer (temperature is 121°C-124°C, pressure is 103kPa), and agar is waited to be completely dissolved (agar is completely dissolved after 10 minutes). At the same time, fresh wild rice pulp and remaining distilled water (100g) are put into a juicer for squeezing juice to obtain wild rice juice. Soybean powder, sucrose, yeast powder, casein, rice bran powder and rice stem powder are added to a stainless steel pot, after the agar in the high-pressure steam sterilizer is completely dissolved, the agar solution obtained and the wild rice juice are poured into the stainless steel pot, and then the stainless steel pot is placed on an induction cooker and boiled at 80-85°C for 10 minutes, and finally ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and complex vitamin B are added, stirred evenly, and the feed is waited to solidify under room temperature to obtain the artificial feeding feed of the striped stem borer.

[0048] The difference between this comparative example and Example 1 is mainly that the use of methylparaben is omitted.

[0049] Comparative Example 3

[0050] The raw material composition of the artificial feeding feed for Chilo suppressalis is as follows: 50g soybean meal, 30g yeast powder, 15g sucrose, 15g casein, 7.5g rice bran powder, 7.5g rice stem powder, 1.0g formaldehyde solution (concentration is 40wt%), 16g agar, 4g ascorbic acid, 0.05g vitamin B complex, 0.5g choline chloride, 0.3g cholesterol, 1.5g sorbic acid, 0.15g Wei's salt, 1.5g methyl paraben, 150g fresh wild rice pulp, and 200g distilled water;

[0051] The preparation steps of artificial feeding feed for Chilo suppressalis are as follows:

[0052] First, agar and part of distilled water (100g) are added to a conical flask, and the bottle mouth is wrapped with tinfoil and then put into a high pressure steam sterilizing pot (temperature is 121 ℃-124 ℃, pressure is 103kPa), and agar is waited to be completely dissolved (agar is completely dissolved after 10 minutes). At the same time, fresh wild rice pulp and residual distilled water (100g) are put into a juicer to squeeze the juice to obtain wild rice juice. And soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder and methyl paraben are added to a stainless steel pot, after the agar in the high pressure steam sterilizing pot is completely dissolved, the agar solution obtained and the wild rice juice are poured into a stainless steel pot, and then the stainless steel pot is placed on an electromagnetic cooker and boiled at 80-85 ℃ for 10 minutes, and finally ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and complex vitamin B are added, and stirred evenly, and the feed is waited to solidify under room temperature to obtain the artificial feeding feed of striped stem borer.

[0053] The difference between this comparative example and Example 1 is mainly that the amount of soybean powder and yeast powder is increased, and the amount of rice bran powder and rice stem powder is reduced.

[0054] Comparative Example 4

[0055] The raw materials of the artificial feeding feed of Chilo suppressalis are as follows: 40g soybean powder, 28g yeast powder, 15g sucrose, 15g casein, 12g rice bran powder, 15g rice stem powder, 16g agar, 4g ascorbic acid, 0.05g vitamin B complex, 0.5g choline chloride, 0.3g cholesterol, 0.15g Wei's salt, 1.5g methyl paraben, 150g fresh wild rice pulp, and 202.5g distilled water;

[0056] The preparation steps of artificial feeding feed for Chilo suppressalis are as follows:

[0057] First, agar and part of distilled water (100g) are added to a conical flask, and the bottle mouth is wrapped with tinfoil and then put into a high pressure steam sterilizing pot (temperature is 121 ℃-124 ℃, pressure is 103kPa), and agar is waited to be completely dissolved (agar is completely dissolved after 10 minutes). At the same time, fresh wild rice pulp and residual distilled water (100g) are put into a juicer to squeeze the juice to obtain wild rice juice. And soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder and methyl paraben are added to a stainless steel pot, after the agar in the high pressure steam sterilizing pot is completely dissolved, the agar solution obtained and the wild rice juice are poured into a stainless steel pot, and then the stainless steel pot is placed on an electromagnetic cooker and boiled at 80-85 ℃ for 10 minutes, and finally ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and complex vitamin B are added, and stirred evenly, and the feed is waited to solidify under room temperature to obtain the artificial feeding feed of striped stem borer.

[0058] The difference between this comparative example and Example 1 is mainly that the use of formaldehyde solution and sorbic acid is omitted.

[0059] Comparative Example 5

[0060] The raw material composition of the artificial feeding feed for Chilo suppressalis is as follows: 40g soybean meal, 28g yeast powder, 15g sucrose, 15g casein, 12g rice bran powder, 15g rice stem powder, 1.0g formaldehyde solution (concentration is 40wt%), 16g agar, 1.5g ascorbic acid, 0.015g vitamin B complex, 0.1g choline chloride, 0.15g cholesterol, 1.5g sorbic acid, 0.15g Wei's salt, 1.5g methyl paraben, 150g fresh wild rice pulp, and 203.085g distilled water;

[0061] The preparation steps of artificial feeding feed for Chilo suppressalis are as follows:

[0062] First, agar and part of distilled water (100g) are added to a conical flask, and the bottle mouth is wrapped with tinfoil and then put into a high pressure steam sterilizing pot (temperature is 121 ℃-124 ℃, pressure is 103kPa), and agar is waited to be completely dissolved (agar is completely dissolved after 10 minutes). At the same time, fresh wild rice pulp and residual distilled water (100g) are put into a juicer to squeeze the juice to obtain wild rice juice. And soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder and methyl paraben are added to a stainless steel pot, after the agar in the high pressure steam sterilizing pot is completely dissolved, the agar solution obtained and the wild rice juice are poured into a stainless steel pot, and then the stainless steel pot is placed on an electromagnetic cooker and boiled at 80-85 ℃ for 10 minutes, and finally ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and complex vitamin B are added, and stirred evenly, and the feed is waited to solidify under room temperature to obtain the artificial feeding feed of striped stem borer.

[0063] The difference between this comparative example and Example 1 is mainly that the dosage of ascorbic acid, vitamin B complex, choline chloride and cholesterol is reduced.

[0064] Comparative Example 6

[0065] The raw material composition of the artificial feeding feed for Chilo suppressalis is as follows: 40g soybean powder, 28g yeast powder, 15g sucrose, 15g casein, 27g rice stem powder, 1.0g formaldehyde solution (concentration is 40wt%), 16g agar, 4g ascorbic acid, 0.05g vitamin B complex, 0.5g choline chloride, 0.3g cholesterol, 1.5g sorbic acid, 0.15g Wei's salt, 1.5g methyl paraben, 150g fresh wild rice pulp, and 200g distilled water;

[0066] The preparation steps of artificial feeding feed for Chilo suppressalis are as follows:

[0067] First, agar and part of distilled water (100g) are added to a conical flask, and the bottle mouth is wrapped with tinfoil and then put into a high pressure steam sterilizing pot (temperature is 121 ℃-124 ℃, pressure is 103kPa), and agar is waited to be completely dissolved (agar is completely dissolved after 10 minutes). At the same time, fresh wild rice pulp and residual distilled water (100g) are put into a juicer to squeeze the juice, and wild rice juice is obtained. And soybean powder, sucrose, yeast powder, casein, rice stem powder and methyl paraben are added to a stainless steel pot, after the agar in the high pressure steam sterilizing pot is completely dissolved, the agar solution obtained and the wild rice juice are poured into a stainless steel pot, and then the stainless steel pot is placed on an electromagnetic cooker and boiled at 80-85 ℃ for 10 minutes, and finally ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and complex vitamin B are added, and stirred evenly, and the feed is waited to solidify under room temperature to obtain the artificial feeding feed of striped stem borer.

[0068] The difference between this comparative example and Example 1 is that the rice bran powder is replaced by rice stem powder.

[0069] Test Example 1

[0070] A feeding experiment on Chilo suppressalis was carried out using the artificial feeding feeds for Chilo suppressalis prepared in the embodiments and comparative examples.

[0071] Feeding conditions: 42 larvae of Chilo suppressalis were placed in a dipping box and raised individually (the feeding temperature was 25°C). The total amount of feed in each group was the same. The larvae were weighed every three days with a cycle of 15 days, and the weight changes of the Chilo suppressalis and the feed weight changes were recorded. The survival rate, body conversion rate and body conversion rate of Chilo suppressalis were calculated according to the following formula.

[0072] Chilo suppressalis survival rate = number of survivors after 15 days / total number × 100%;

[0073] Feed utilization rate = (worm biomass after feeding - experimental worm basic biomass) / (feed input amount - feed remaining amount) × 100%;

[0074] Insect body conversion rate = (insect body biomass after feeding - experimental insect body basic biomass) / (feed input amount - feed remaining amount - residue amount) × 100%.

[0075] The test results are shown in Table 1.

[0076] Table 1

[0077]

[0078]

[0079] As shown in Table 1, compared with Example 1, after omitting the use of rice bran powder and rice stem powder, the preference of the stem borer for selecting artificial feed was greatly reduced, resulting in a significant reduction in the survival rate, feed utilization rate and insect body conversion rate of the stem borer. Compared with Example 1, after omitting methylparaben, the preference of the stem borer for selecting artificial feed was reduced over time due to the inability to retain the taste of the feed for a long time, resulting in a reduction in the survival rate, feed utilization rate and insect body conversion rate of the stem borer. Compared with Example 1, after the amount of yeast powder, rice bran powder and rice stem powder was reduced in Comparative Example 3, the survival rate, feed utilization rate and insect body conversion rate of the stem borer were also reduced. Compared with Example 1, after reducing the amount of formaldehyde solution and sorbic acid in Comparative Example 4, the survival rate, feed utilization rate and insect body conversion rate of the stem borer were also slightly reduced. Compared with Example 1, in Comparative Example 5, after reducing the dosage of auxiliary materials such as ascorbic acid, vitamin B complex, choline chloride and cholesterol, the survival rate of the striped stem borer was significantly reduced. Compared with Example 1, in Comparative Example 6, after replacing the rice bran powder with rice stem powder, the survival rate, feed utilization rate and insect body conversion rate of the striped stem borer were also reduced.

[0080] Test Example 2

[0081] The artificial feeding feeds for Chilo suppressalis prepared in each embodiment and comparative example were placed in a 4°C refrigerator and a 25°C room, respectively, and the deterioration of the feed was observed. The number of days the feed could be stored at different temperatures was recorded (i.e., the number of days without deterioration. The feed was considered deteriorated when it had a sour taste, increased hardness, decreased moisture, and darkened color). The results are shown in Table 2.

[0082] Table 2

[0083]

[0084]

[0085] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A feed for artificial breeding of Chilo suppressalis, characterized in that: The raw materials include, by mass percentage, 7.5-10.0% of soybean flour, 5.0-6.0% of yeast powder, 3.0-4.0% of sucrose, 3.0-4.0% of casein, 2.0-2.8% of rice bran powder, 3.0-3.5% of rice stem powder, 0.1-0.2% of formaldehyde solution, 3.0-3.5% of agar, 0.6-0.8% of ascorbic acid, 0.005-0.01% of complex vitamin B, 0.04-0.1% of choline chloride, 0.045-0.065% of cholesterol, 0.2-0.35% of sorbic acid, 0.03-0.035% of Webster salt, 0.3-0.35% of methyl paraben, 30-32% of wild rice stem and the balance of water.

2. The artificial feeding feed for Chilo suppressalis according to claim 1, characterized in that: The raw material composition is as follows by mass percentage: 8.0% soybean flour, 5.6% yeast powder, 3.0% sucrose, 3.0% casein, 2.4% rice bran powder, 3.0% rice stem powder, 0.2% formaldehyde solution, 3.2% agar, 0.8% ascorbic acid, 0.01% vitamin B complex, 0.1% choline chloride, 0.06% cholesterol, 0.3% sorbic acid, 0.03% Webster salt, 0.3% methyl paraben, 30% wild rice stem and the balance water.

3. The artificial feeding feed for Chilo suppressalis according to claim 1, characterized in that: The concentration of the formaldehyde solution is 40 wt %.

4. The method for preparing the artificial feeding feed for Chilo suppressalis according to any one of claims 1 to 3, characterized in that: The following steps are involved: Agar and part of water are mixed, and dissolved under high-pressure steam heating conditions to obtain an agar solution; wild rice stem and remaining water are mixed, and juice is squeezed to obtain wild rice stem juice; soybean powder, sucrose, yeast powder, casein, rice bran powder, rice stem powder, methyl paraben, the agar solution and the wild rice stem juice are mixed, boiled for 5-10 minutes, and then ascorbic acid, sorbic acid, formaldehyde solution, Wei's salt, choline chloride, cholesterol and complex vitamin B are added, stirred evenly, and solidified to obtain the artificial breeding feed for striped stem borer.

5. The preparation method according to claim 4, characterized in that: The high-pressure steam heating conditions include: a temperature of 121° C.-124° C. and a pressure of 103 kPa.

6. The preparation method according to claim 4, characterized in that: The boiling temperature is 60°C-100°C.

7. Use of the artificial breeding feed for Chilo suppressalis according to any one of claims 1 to 3 in artificial breeding of Chilo suppressalis.

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