CN115413630A - Feeding method for co-breeding of young silkworms with artificial feed for silkworms - Google Patents
Feeding method for co-breeding of young silkworms with artificial feed for silkworms Download PDFInfo
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- CN115413630A CN115413630A CN202211176852.7A CN202211176852A CN115413630A CN 115413630 A CN115413630 A CN 115413630A CN 202211176852 A CN202211176852 A CN 202211176852A CN 115413630 A CN115413630 A CN 115413630A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
- A01K67/04—Silkworms
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- 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
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- 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
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- 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
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- 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
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- 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
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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
- A23K50/90—Feeding-stuffs specially adapted for particular animals for insects, e.g. bees or silkworms
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
- A23L3/358—Inorganic compounds
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- 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
Abstract
The invention relates to the technical field of silkworm breeding and discloses a breeding method for co-breeding of artificial feed for silkworms. The rearing method for jointly rearing the young silkworms by using the artificial feed for the silkworms comprises the following steps: mixing the artificial feed with water to prepare a wet granulated feed for one year; spreading white cloth at the bottom of the rearing box, and spraying an aqueous solution containing potassium sorbate onto the white cloth by using a sprayer; sprinkling wet granulated feed of one year into a rearing box, then sprinkling wet granulated feed of one year with newly-hatched silkworms into the rearing box, pouring the box once every 12 hours, observing the growth condition of the silkworms, and finishing rearing of the silkworms of one year; adjusting the mixing ratio of the artificial feed and water to prepare a second-instar wet granulated feed, sprinkling the second-instar wet granulated feed into the feed box for the food in the area of the feed, pouring the feed into the feed box once every 12 hours, observing the growth condition of the silkworms, completing the co-culture of the artificial feed of the young silkworms after all the silkworms are dormant, and feeding the young silkworms to farmers. The invention can improve the labor efficiency, prevent diseases, reduce the feed consumption and save the cost.
Description
Technical Field
The invention relates to the technical field of silkworm breeding, in particular to a breeding method for co-breeding of artificial feed for silkworms.
Background
The artificial feed for silkworm and young silkworm co-breeding is characterized in that the first-instar and second-instar silkworms are bred together by using artificial feed in villages or groups, and after the silkworms are bred to the third instar, the silkworms are bred to mulberry leaves by each family until the silkworms are clustered and used as cocoons.
For example, chinese patent No. 103828766B discloses a method for collecting ants in artificial feed for silkworm breeding, which comprises putting an ant collecting bag with the silkworm faces upward in a breeding box, uniformly spreading artificial feed on the ant collecting bag, spreading the artificial feed 1000-1200 g for 30-60 min, then drawing out the ant collecting bag, arranging the artificial feed into a rectangular area with the length of 66-68 cm and the width of 56-58 cm, and covering the breeding box with a cover or plastic cloth. However, in patent CN103828766B, the artificial feed is arranged in a rectangular area, which facilitates the plastic cloth covering the feed to prevent the feed from drying, but the plastic cloth can affect the air permeability of the rearing box. In addition, the feed consumption is more, which causes feed waste and increases the feeding cost.
Disclosure of Invention
In order to solve the technical problem, the invention provides a rearing method for the co-rearing of silkworms with artificial feed, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed with water, stirring, filling into a fresh-keeping bag, folding, steaming the fresh-keeping bag, cooling to room temperature, and rubbing the cooled feed through a stainless steel wire mesh to obtain wet granulated feed of one year;
2) Spreading white cloth at the bottom of the rearing box, and spraying an aqueous solution containing potassium sorbate onto the white cloth by using a sprayer;
3) Sprinkling wet body granular feed of one year old into a rearing box, tearing and flatly paving a termite collecting bag containing half silkworm eggs on plastic cloth, sprinkling a small amount of wet body granular feed of one year old onto the termite collecting bag, pouring all wet body granular feed of one year old with the termites on the termite collecting bag onto the plastic cloth after all the termites climb onto the wet body granular feed of one year old, and then evenly sprinkling all wet body granular feed of one year old with the termites on the plastic cloth into the rearing box to finish termite collection;
(2) Stacking all the rearing boxes together, pouring the rearing boxes once every 12 hours, observing the growth condition of the silkworm after 72 hours, and staggering all the rearing boxes immediately once the silkworm is found to be dormant, so as to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to complete the rearing of a first-instar silkworm;
(3) Mixing the artificial feed with water, stirring, stacking, steaming, cooling to room temperature, and rolling the cooled feed through a stainless steel wire mesh to obtain a second-instar wet granulated feed;
(4) Adding a layer of first-age net on second-age silkworms, sprinkling wet granulated feed for the second-age silkworms into each rearing box, pouring the wet granulated feed once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping silkworms; after silkworms come out, dry soil is scattered, and after the silkworms all come up, the whole process of co-breeding of the small silkworms with the artificial feed is completed, and the silkworms are separated to farmers for feeding.
Preferably, in the step (1), the dry powder-shaped artificial feed is mixed with water according to the mass ratio of 1; the cooking conditions of the freshness protection package are as follows: steaming at 90-100 deg.C for 45-55min.
Preferably, the aperture of the stainless steel wire mesh in the step (1) is 4 × 4 mm; the white cloth is a lockstitching white cloth with the thickness of 900 multiplied by 700 mm; the size of the feeding box is 900 multiplied by 700 multiplied by 100mm.
Preferably, 0.18-0.22wt% potassium sorbate aqueous solution is used in the step (1); the spraying amount of the potassium sorbate water solution in a single feeding box is 300mL.
Preferably, 400g of wet body pellet feed of one year old is sprinkled into the rearing box in the step (1); spreading a bag containing half of silkworm eggs on 400 × 400mm plastic cloth, and spreading 200g of the wet granulated feed on the bag.
Preferably, in the step (2), all the rearing boxes are stacked together, 20 rearing boxes are stacked, and an empty box is added on the top surface to be used as a cover.
Preferably, the mass ratio of the dry powdery artificial feed to the water in the step (3) is 1.6, and the stirring condition is that the dry powdery artificial feed is stirred for 5-10min at the rotating speed of 100-180 r/min; the cooking conditions of the freshness protection package are as follows: steaming at 90-100 deg.C for 45-55min; the aperture of the stainless steel wire mesh is 6 multiplied by 6mm.
Preferably, a 900X 700mm one-year-old net is adopted in the step (4); the amount of wet granulated feed for two years old in each feeding box was 1560g.
Preferably, the artificial feed is dry powdered feed and comprises mulberry leaf powder, soybean meal, cellulose, starch, B vitamins, vitamin C, citric acid, inorganic salt and other components; the dry soil is a powdery material which is prepared by drying and sterilizing argil at high temperature and pulverizing into 80 meshes.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the rearing method of the silkworm with the artificial feed for the co-rearing of young silkworms, the mass ratio of the artificial feed to water in the wet granulated feed for the first year is 1.4, so that the viscosity of the feed is reduced, hands and other silkworm tools are not stuck in the operation process, the labor efficiency is greatly improved, and the silkworm rearing performance is not influenced.
2. According to the rearing method for co-rearing of young silkworms with the artificial feed for the silkworms, the wet white cloth is flatly laid at the bottom of the rearing box, the feed is scattered on the wet cloth, the feed can absorb moisture on the wet cloth to increase the water content, the air permeability in the rearing box is ensured, and meanwhile, the feed in the rearing box is not easy to dry, so that the problem that the feed amount needs to be increased quickly to prevent the feed from drying in a conventional rearing method is solved, only one rearing box needs 1000 grams of silkworms of one year, but the feed for the silkworms of one year only needs 600 grams of feed, so that the feed consumption is greatly reduced, and the cost is saved.
Furthermore, the white cloth of the invention is sprayed with 0.18-0.22wt% potassium sorbate water solution, which can effectively prevent the mildew of the feed.
Drawings
FIG. 1 is a flow chart of a rearing method for co-rearing of silkworms with artificial feed of silkworms according to the present invention;
FIG. 2 is a comparison graph showing the moisture content and surface mold test of the first-instar wet body pellet feeds in the example of the present invention and the comparative example.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
The embodiment discloses a rearing method for co-rearing of silkworms with artificial feed, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed and water according to a mass ratio of 1.4, stirring for 10min at a rotating speed of 100r/min, then filling into a fresh-keeping bag, folding, cooking the fresh-keeping bag for 55min at 90 ℃, taking out, cooling to room temperature, and rubbing the cooled feed through a stainless steel wire mesh with the aperture of 4 x 4mm to obtain wet granulated feed for one year;
2) Spreading a white cloth with the size of 900 × 700mm and the lock edge at the bottom of a feeding box with the size of 900 × 700 × 100mm, and spraying 300mL of 0.18wt% potassium sorbate water solution onto the white cloth by using a sprayer to fully wet the white cloth;
3) Uniformly scattering 400g of wet granulated feed of one year old into a feeding box; tearing open a termite collecting bag containing half silkworm eggs and spreading the bag on 400 x 400mm of plastic cloth, uniformly spreading 200g of wet granulated feed on the termite collecting bag, pouring all the wet granulated feed with the silkworm on the termite collecting bag on the plastic cloth after all the silkworms climb on the wet granulated feed with the silkworm, and uniformly spreading all the wet granulated feed with the silkworm on the plastic cloth in a rearing box;
(2) Stacking all the rearing boxes together, taking 20 rearing boxes as a stack, adding an empty box on the top surface as a cover, pouring the boxes once every 12 hours, observing the growth condition of the silkworm after 72 hours, and immediately staggering all the rearing boxes once the silkworm is found, so as to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to complete the rearing of a first-instar silkworm;
(3) Mixing dry powder artificial feed and water according to the mass ratio of 1.6, stirring for 10min at the rotating speed of 100r/min, then filling into a fresh-keeping bag, overlapping, cooking the fresh-keeping bag at 90 ℃ for 55min, then taking out, cooling to room temperature, twisting the cooled feed through a stainless steel wire mesh with the diameter of 6 x 6mm to obtain second-instar wet granulated feed;
(4) Adding a layer of first-age net (900 × 700 mm) on second-age initial silkworms, uniformly scattering 1560g of second-age wet granulated feed into each rearing box, pouring the box once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping silkworms; after silkworms are grown, dry soil is scattered, and after all the silkworms are dormant, the artificial feed for co-breeding the young silkworms is completed, and the young silkworms are separated to be fed to farmers.
Example 2
The embodiment discloses a rearing method for co-rearing of silkworms with artificial feed, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed and water according to the mass ratio of 1.4, stirring for 5min at the rotating speed of 180r/min, then filling into a fresh-keeping bag, folding, cooking the fresh-keeping bag at 100 ℃ for 45min, then taking out, cooling to room temperature, and rolling the cooled feed through a stainless steel wire mesh with the aperture of 4 x 4mm to obtain wet granulated feed for one year;
2) Spreading a white cloth with a size of 900 × 700mm and a overlock stitching to the bottom of a raising box with a size of 900 × 700 × 100mm, and spraying 300mL of 0.22wt% potassium sorbate water solution onto the white cloth by using a sprayer to fully wet the white cloth;
3) Uniformly scattering 400g of wet granulated feed of one year old into a feeding box; tearing open a termite collecting bag containing half silkworm eggs and spreading the bag on 400 x 400mm of plastic cloth, uniformly spreading 200g of wet granulated feed on the termite collecting bag, pouring all the wet granulated feed with the silkworm on the termite collecting bag on the plastic cloth after all the silkworms climb on the wet granulated feed with the silkworm, and uniformly spreading all the wet granulated feed with the silkworm on the plastic cloth in a rearing box;
(2) Stacking all the rearing boxes together, taking 20 rearing boxes as a stack, adding an empty box on the top surface as a cover, pouring the boxes once every 12 hours, observing the growth condition of the silkworm after 72 hours, and immediately staggering all the rearing boxes once the silkworm is found, so as to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to complete the rearing of a first-instar silkworm;
(3) Mixing dry powder artificial feed and water according to a mass ratio of 1.6, stirring for 5min at a rotating speed of 180r/min, then filling into a fresh-keeping bag, folding, cooking the fresh-keeping bag for 45min at 100 ℃, taking out, cooling to room temperature, twisting the cooled feed through a stainless steel wire mesh with the diameter of 6 x 6mm to obtain a second-instar wet body pellet feed;
(4) Adding a layer of first-age net (900 × 700 mm) on silkworms, uniformly spreading 1560g of second-age wet granulated feed into each rearing box, turning the boxes once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping the silkworms; after silkworms come out, dry soil is scattered, and after the silkworms all come up, the co-breeding of the small silkworms with the artificial feed is completed, and the silkworms are separated to be fed to farmers.
Example 3
The embodiment discloses a rearing method for co-rearing of silkworms with artificial feed, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed and water according to a mass ratio of 1.4, stirring for 9min at a rotating speed of 120r/min, then filling into a fresh-keeping bag, folding, cooking the fresh-keeping bag for 52min at 92 ℃, taking out, cooling to room temperature, and rubbing the cooled feed through a stainless steel wire mesh with the aperture of 4 x 4mm to obtain wet granulated feed for one year;
2) Spreading white cloth with a size of 900 × 700mm and a lockstitch to the bottom of a feeding box with a size of 900 × 700 × 100mm, and spraying 300mL of 0.19wt% potassium sorbate aqueous solution onto the white cloth by using a sprayer to fully wet the white cloth;
3) Uniformly scattering 400g of wet granulated feed of one year old into a feeding box; tearing open a termite collecting bag containing half silkworm eggs and spreading the bag on 400 x 400mm of plastic cloth, uniformly spreading 200g of wet granulated feed on the termite collecting bag, pouring all the wet granulated feed with the silkworm on the termite collecting bag on the plastic cloth after all the silkworms climb on the wet granulated feed with the silkworm, and then pouring all the wet granulated feed with the silkworm on the plastic cloth into a rearing box uniformly;
(2) Stacking all the rearing boxes together, taking 20 rearing boxes as a stack, adding an empty box on the top surface as a cover, pouring the boxes once every 12 hours, observing the growth condition of the silkworms after 72 hours, and immediately staggering all the rearing boxes once the silkworms are found to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to complete the rearing of a first-instar silkworm;
(3) Mixing dry powder artificial feed and water according to the mass ratio of 1.6, stirring for 9min at the rotating speed of 120r/min, then filling into a fresh-keeping bag, overlapping, cooking the fresh-keeping bag for 52min at the temperature of 92 ℃, then taking out, cooling to room temperature, twisting the cooled feed through a stainless steel wire mesh with the diameter of 6 x 6mm, and obtaining the second-age wet granulated feed;
(4) Adding a layer of first-age net (900 × 700 mm) on second-age initial silkworms, uniformly scattering 1560g of second-age wet granulated feed into each rearing box, pouring the box once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping silkworms; after silkworms come out, dry soil is scattered, and after the silkworms all come up, the co-breeding of the small silkworms with the artificial feed is completed, and the silkworms are separated to be fed to farmers.
Example 4
The embodiment discloses a rearing method for co-rearing of silkworms with artificial feed, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed and water according to the mass ratio of 1.4, stirring for 8min at the rotating speed of 140r/min, then filling into a fresh-keeping bag, folding, cooking the fresh-keeping bag for 50min at 95 ℃, then taking out, cooling to room temperature, and rolling the cooled feed through a stainless steel wire mesh with the aperture of 4 x 4mm to obtain wet granulated feed for one year;
2) Spreading white cloth with a size of 900 × 700mm and a lockstitch to the bottom of a feeding box with a size of 900 × 700 × 100mm, and spraying 300mL of 0.20wt% potassium sorbate water solution onto the white cloth by using a sprayer to fully wet the white cloth;
3) Uniformly scattering 400g of wet granulated feed of one year old into a feeding box; tearing open a termite collecting bag containing half silkworm eggs and spreading the bag on 400 x 400mm of plastic cloth, uniformly spreading 200g of wet granulated feed on the termite collecting bag, pouring all the wet granulated feed with the silkworm on the termite collecting bag on the plastic cloth after all the silkworms climb on the wet granulated feed with the silkworm, and uniformly spreading all the wet granulated feed with the silkworm on the plastic cloth in a rearing box;
(2) Stacking all the rearing boxes together, taking 20 rearing boxes as a stack, adding an empty box on the top surface as a cover, pouring the boxes once every 12 hours, observing the growth condition of the silkworms after 72 hours, and immediately staggering all the rearing boxes once the silkworms are found to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to complete the rearing of a first-instar silkworm;
(3) Mixing dry powder artificial feed and water according to the mass ratio of 1.6, stirring for 8min at the rotating speed of 140r/min, then filling into a fresh-keeping bag, overlapping, cooking the fresh-keeping bag for 50min at 95 ℃, then taking out, cooling to room temperature, twisting the cooled feed through a stainless steel wire mesh with the diameter of 6 x 6mm to obtain second-instar wet granulated feed;
(4) Adding a layer of first-age net (900 × 700 mm) on second-age initial silkworms, uniformly scattering 1560g of second-age wet granulated feed into each rearing box, pouring the box once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping silkworms; after silkworms come out, dry soil is scattered, and after all the silkworms come out, the artificial feed co-breeding of young silkworms is completed, and the silkworms are separated into farmers for breeding.
Example 5
The embodiment discloses a rearing method for co-rearing of silkworms with artificial feed, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed and water according to the mass ratio of 1.4, stirring for 6min at the rotating speed of 160r/min, then loading into a fresh-keeping bag, overlapping, cooking the fresh-keeping bag at 98 ℃ for 48min, then taking out, cooling to room temperature, and rolling the cooled feed through a stainless steel wire mesh with the aperture of 4 x 4mm to obtain wet granulated feed for one year;
2) Spreading a white cloth with the size of 900 × 700mm and the lock edge at the bottom of a feeding box with the size of 900 × 700 × 100mm, and spraying 300mL of 0.21wt% potassium sorbate water solution onto the white cloth by using a sprayer to fully wet the white cloth;
3) Uniformly scattering 400g of wet granulated feed of one year old into a feeding box; tearing open a termite collecting bag containing half silkworm eggs and spreading the bag on 400 x 400mm of plastic cloth, uniformly spreading 200g of wet granulated feed on the termite collecting bag, pouring all the wet granulated feed with the silkworm on the termite collecting bag on the plastic cloth after all the silkworms climb on the wet granulated feed with the silkworm, and uniformly spreading all the wet granulated feed with the silkworm on the plastic cloth in a rearing box;
(2) Stacking all the rearing boxes together, taking 20 rearing boxes as a stack, adding an empty box on the top surface as a cover, pouring the boxes once every 12 hours, observing the growth condition of the silkworm after 72 hours, and immediately staggering all the rearing boxes once the silkworm is found, so as to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to complete the rearing of a first-instar silkworm;
(3) Mixing dry powder artificial feed and water according to a mass ratio of 1.6, stirring for 6min at a rotating speed of 160r/min, then filling into a fresh-keeping bag, folding, cooking the fresh-keeping bag for 48min at 98 ℃, taking out, cooling to room temperature, twisting the cooled feed through a stainless steel wire mesh with the diameter of 6 x 6mm to obtain a second-instar wet body pellet feed;
(4) Adding a layer of first-age net (900 × 700 mm) on second-age silkworms, uniformly spreading 1560g of second-age wet granulated feed into each rearing box, pouring the wet granulated feed into the rearing boxes once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping the silkworms; after silkworms come out, dry soil is scattered, and after the silkworms all come up, the co-breeding of the small silkworms with the artificial feed is completed, and the silkworms are separated to be fed to farmers.
Comparative example 1
The present invention discloses a breeding method for co-breeding of artificial silkworm feed young silkworms, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed and water according to a mass ratio of 1.4, stirring for 9min at a rotating speed of 120r/min, then loading into a fresh-keeping bag, folding, cooking the fresh-keeping bag at 92 ℃ for 52min, then taking out, cooling to room temperature, and rolling the cooled feed through a stainless steel wire mesh with the aperture of 4 x 4mm to obtain wet granulated feed for one year;
2) Spraying 300mL of 0.19wt% potassium sorbate aqueous solution to the bottom of the feeding box by a sprayer;
3) Uniformly scattering 400g of wet granulated feed of one year old into a feeding box; tearing open a termite collecting bag containing half silkworm eggs and spreading the bag on 400 x 400mm of plastic cloth, uniformly spreading 200g of wet granulated feed on the termite collecting bag, pouring all the wet granulated feed with the silkworm on the termite collecting bag on the plastic cloth after all the silkworms climb on the wet granulated feed with the silkworm, and uniformly spreading all the wet granulated feed with the silkworm on the plastic cloth in a rearing box;
(2) Stacking all the rearing boxes together, taking 20 rearing boxes as a stack, adding an empty box on the top surface as a cover, pouring the boxes once every 12 hours, observing the growth condition of the silkworms after 72 hours, and immediately staggering all the rearing boxes once the silkworms are found to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to finish the rearing of a first-instar silkworm;
(3) Mixing dry powder artificial feed and water according to a mass ratio of 1.6, stirring for 9min at a rotating speed of 120r/min, then filling into a fresh-keeping bag, folding, cooking the fresh-keeping bag for 52min at 92 ℃, taking out, cooling to room temperature, twisting the cooled feed through a stainless steel wire mesh with the diameter of 6 x 6mm to obtain a second-instar wet body pellet feed;
(4) Adding a layer of first-age net (900 × 700 mm) on second-age initial silkworms, uniformly scattering 1560g of second-age wet granulated feed into each rearing box, pouring the box once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping silkworms; after silkworms come out, dry soil is scattered, and after the silkworms all come up, the co-breeding of the small silkworms with the artificial feed is completed, and the silkworms are separated to be fed to farmers.
Comparative example 2
The present invention discloses a breeding method for co-breeding of artificial silkworm feed young silkworms, which comprises the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed and water according to a mass ratio of 1.4, stirring for 9min at a rotating speed of 120r/min, then loading into a fresh-keeping bag, folding, cooking the fresh-keeping bag at 92 ℃ for 52min, then taking out, cooling to room temperature, and rolling the cooled feed through a stainless steel wire mesh with the aperture of 4 x 4mm to obtain wet granulated feed for one year;
2) Spreading a white cloth with the size of 900 multiplied by 700mm and a lock edge on the bottom of a feeding box with the size of 900 multiplied by 700 multiplied by 100mm, and spraying 300mL of sterilized water on the white cloth by a sprayer to fully wet the white cloth;
3) Uniformly scattering 400g of wet granulated feed of one year old into a feeding box; tearing open a termite collecting bag containing half silkworm eggs and spreading the bag on 400 x 400mm of plastic cloth, uniformly spreading 200g of wet granulated feed on the termite collecting bag, pouring all the wet granulated feed with the silkworm on the termite collecting bag on the plastic cloth after all the silkworms climb on the wet granulated feed with the silkworm, and uniformly spreading all the wet granulated feed with the silkworm on the plastic cloth in a rearing box;
(2) Stacking all the rearing boxes together, taking 20 rearing boxes as a stack, adding an empty box on the top surface as a cover, pouring the boxes once every 12 hours, observing the growth condition of the silkworms after 72 hours, and immediately staggering all the rearing boxes once the silkworms are found to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to finish the rearing of a first-instar silkworm;
(3) Mixing dry powder artificial feed and water according to the mass ratio of 1.6, stirring for 9min at the rotating speed of 120r/min, then filling into a fresh-keeping bag, overlapping, cooking the fresh-keeping bag for 52min at the temperature of 92 ℃, then taking out, cooling to room temperature, twisting the cooled feed through a stainless steel wire mesh with the diameter of 6 x 6mm, and obtaining the second-age wet granulated feed;
(4) Adding a layer of first-age net (900 × 700 mm) on second-age initial silkworms, uniformly scattering 1560g of second-age wet granulated feed into each rearing box, pouring the box once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping silkworms; after silkworms come out, dry soil is scattered, and after all the silkworms come out, the artificial feed co-breeding of young silkworms is completed, and the silkworms are separated into farmers for breeding.
The artificial feed in all the above examples and comparative examples is a powdered feed comprising mulberry leaf powder, soybean powder, cellulose, starch, B vitamins, vitamin C, citric acid, inorganic salts and the like; the drying soil is prepared by drying and sterilizing argil at high temperature, and pulverizing into 80-mesh powder; the potassium sorbate water solution is formed by mixing sterilized water (namely sterilized water) and potassium sorbate.
Test examples
First, the changes of the first-instar wet granulated feeds and the second-instar wet granulated feeds in examples 1 to 5 and comparative examples 1 to 3 during rearing of young silkworms were examined.
1. And (3) testing the moisture content: adding the wet granulated feed of the first age into a feeding box, weighing the wet granulated feed of the first age at 12h, 24h, 36h, 48h and 60h, weighing the original weight of the feed, drying the feed at 60 ℃ for 2h, weighing the weight of the dried wet granulated feed of the first age, and calculating the water content of the wet granulated feed of the first age in different time periods.
The calculation method of the moisture content comprises the following steps: moisture content = (wet feed weight-dry powdered feed weight)/wet feed weight × 100%
Second, testing the mildew of feed
Using a 5cm petri dish, the wet granulated feeds of examples 1 to 5 and comparative examples 1 to 3 of the present invention of one year were placed in the petri dish, the wet granulated feed of one year was flattened to eliminate gaps, and 100. Mu.L of Aspergillus was inoculated with a pipette, having a spore concentration of 5.6X 10 5 Sealing with a sealing film, placing in a climatic chamber at 30 deg.C and air humidity of 90%, and observing the mildew on the surface of wet granulated feed after 60 hr.
The test results are shown in table 1:
TABLE 1
The comparative example 1 of the invention is that on the basis of the example 3, the white cloth paved at the bottom of the rearing box is removed, and other conditions are unchanged; comparative example 2 on the basis of example 3, 0.18 to 0.22wt% potassium sorbate aqueous solution was changed to the same amount of sterilized water, and other conditions were not changed. As is clear from the test results of table 1, the moisture content of the one-year-old wet granulated feed of comparative example 1 of the present invention decreased much with time, and thus it can be shown that the white cloth laid on the bottom of the rearing box can prevent the loss of moisture; it is understood from comparative example 2 that the aqueous potassium sorbate solution is effective in inhibiting the growth of mold.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A rearing method for jointly rearing young silkworms with artificial feed is characterized by comprising the following steps:
(1) Feeding of a single feeding box:
1) Mixing dry powder artificial feed with water, stirring, filling into a fresh-keeping bag, folding, steaming the fresh-keeping bag, cooling to room temperature, and rubbing the cooled feed through a stainless steel wire mesh to obtain wet granulated feed of one year;
2) Spreading white cloth at the bottom of the breeding box, and spraying an aqueous solution containing potassium sorbate onto the white cloth by using a sprayer;
3) Sprinkling wet body granulated feed of one year into a rearing box, tearing and spreading a termite collecting bag containing half silkworm eggs on plastic cloth, sprinkling the wet body granulated feed of one year onto the termite collecting bag, pouring all wet body granulated feed of one year with the termites on the termite collecting bag onto the plastic cloth after all the termites climb onto the wet body granulated feed of one year, and then evenly sprinkling all wet body granulated feed of one year with the termites on the plastic cloth into the rearing box to finish the termite collection;
(2) Stacking all the rearing boxes together, pouring the rearing boxes once every 12 hours, observing the growth condition of the silkworm after 72 hours, and staggering all the rearing boxes immediately once the silkworm is found to be dormant, so as to reduce the environmental humidity; when a silkworm is found, immediately scattering dry soil to complete the rearing of a first-instar silkworm;
(3) Mixing the artificial feed with water, stirring, stacking, steaming, cooling to room temperature, and rolling the cooled feed through a stainless steel wire mesh to obtain a second-instar wet granulated feed;
(4) Adding a layer of first-age net on second-age silkworms, sprinkling wet granulated feed for the second-age silkworms into each rearing box, pouring the wet granulated feed once every 12 hours, observing the growth condition of the silkworms after 48 hours, and staggering the boxes after sleeping silkworms; after silkworms come out, dry soil is scattered, and after the silkworms all come up, the whole process of co-breeding of the small silkworms with the artificial feed is completed, and the silkworms are separated to farmers for feeding.
2. The method for co-culturing silkworms with artificial feed for silkworms as claimed in claim 1, wherein in the step (1), the dry powder artificial feed is mixed with water according to a mass ratio of 1.4, and the stirring condition is that the mixture is stirred for 5-10min at a rotation speed of 100-180 r/min; the cooking conditions of the freshness protection package are as follows: steaming at 90-100 deg.C for 45-55min.
3. The method for rearing young silkworms with artificial feed according to claim 1, wherein the stainless steel wire mesh in step (1) has a 4 x 4mm diameter; the white cloth is a lockrand white cloth with the thickness of 900 multiplied by 700 mm; the size of the rearing box is 900X 700X 100mm.
4. The method for co-culturing silkworms with artificial feed for silkworms of claim 1, wherein in the step (1), 0.18 to 0.22wt% of potassium sorbate solution is used; the spraying amount of the potassium sorbate water solution in a single feeding box is 300mL.
5. The method for rearing silkworms with artificial feed according to claim 1, wherein 400g of wet granulated feed for the first year of age is sprinkled into a rearing box in the step (1); spreading a bag containing half of silkworm eggs on 400 × 400mm plastic cloth, and spreading 200g of wet granulated feed on the bag.
6. The method as claimed in claim 1, wherein all the rearing boxes are stacked in step (2), and 20 rearing boxes are stacked, and an empty box is added on the top surface of the rearing box to serve as a cover.
7. The method for co-culturing silkworms with artificial feed for silkworms as claimed in claim 1, wherein the mass ratio of the artificial feed to water in step (3) is 1.6, and the stirring is performed at a rotation speed of 100-180r/min for 5-10min; the cooking conditions of the freshness protection package are as follows: steaming at 90-100 deg.C for 45-55min; the aperture of the stainless steel wire mesh is 6 multiplied by 6mm.
8. The method for rearing silkworms with artificial feed according to claim 1, wherein a 900X 700mm net of one year old is used in the step (4); the amount of wet granulated feed for two years old in each rearing box was 1560g.
9. The method as claimed in claim 1, wherein the artificial feed is dry powdered feed comprising mulberry leaf powder, soybean powder, cellulose, starch, vitamin B, vitamin C, citric acid and inorganic salt; the dry soil is a powdery material which is prepared by drying and sterilizing argil at high temperature and pulverizing into 80 meshes.
10. A rearing method of co-rearing of silkworms with the artificial diet as set forth in any one of claims 1 to 9.
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| CN112335615A (en) * | 2020-10-27 | 2021-02-09 | 四川省农业科学院蚕业研究所 | Efficient artificial feed young silkworm breeding method |
| CN113180015A (en) * | 2021-05-25 | 2021-07-30 | 四川省农业机械研究设计院 | Silkworm rearing room and three-section type assembly line silkworm rearing method |
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| JPH0851891A (en) * | 1994-08-12 | 1996-02-27 | Geochto:Kk | Aseptical breeding of silkworm |
| JPH0974947A (en) * | 1995-09-14 | 1997-03-25 | Nichiharachiyou | Raising of silkworm |
| CN104719680A (en) * | 2015-04-13 | 2015-06-24 | 山东省蚕业研究所 | Artificial feed for silkworms and its production method |
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