CN115104562A - Ecological culture method of whitmania pigra - Google Patents
Ecological culture method of whitmania pigra Download PDFInfo
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- CN115104562A CN115104562A CN202210826012.4A CN202210826012A CN115104562A CN 115104562 A CN115104562 A CN 115104562A CN 202210826012 A CN202210826012 A CN 202210826012A CN 115104562 A CN115104562 A CN 115104562A
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- 241000258623 Whitmania pigra Species 0.000 title claims abstract description 29
- 238000012136 culture method Methods 0.000 title claims abstract description 13
- 241000545744 Hirudinea Species 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 241000196324 Embryophyta Species 0.000 claims abstract description 26
- 241000143060 Americamysis bahia Species 0.000 claims abstract description 10
- 241000237858 Gastropoda Species 0.000 claims abstract description 10
- 238000005286 illumination Methods 0.000 claims abstract description 10
- 241000195493 Cryptophyta Species 0.000 claims abstract description 9
- 244000207867 Pistia stratiotes Species 0.000 claims abstract description 9
- 235000006440 Pistia stratiotes Nutrition 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 8
- 239000002985 plastic film Substances 0.000 claims abstract description 8
- 229920006255 plastic film Polymers 0.000 claims abstract description 8
- 239000013589 supplement Substances 0.000 claims abstract description 8
- 240000003826 Eichhornia crassipes Species 0.000 claims abstract 2
- 241000756943 Codonopsis Species 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 22
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 claims description 14
- 241000007126 Codonopsis pilosula Species 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 12
- 241001465754 Metazoa Species 0.000 claims description 9
- 108010059892 Cellulase Proteins 0.000 claims description 7
- 244000068988 Glycine max Species 0.000 claims description 7
- 235000010469 Glycine max Nutrition 0.000 claims description 7
- 108010059820 Polygalacturonase Proteins 0.000 claims description 7
- 240000006394 Sorghum bicolor Species 0.000 claims description 7
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims description 7
- 239000008280 blood Substances 0.000 claims description 7
- 210000004369 blood Anatomy 0.000 claims description 7
- 229940106157 cellulase Drugs 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000008157 edible vegetable oil Substances 0.000 claims description 7
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 7
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000006228 supernatant Substances 0.000 claims description 7
- 229960003080 taurine Drugs 0.000 claims description 7
- 238000012258 culturing Methods 0.000 claims 8
- 238000009395 breeding Methods 0.000 abstract description 3
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 241000169203 Eichhornia Species 0.000 description 7
- 235000013312 flour Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 201000000736 Amenorrhea Diseases 0.000 description 1
- 206010001928 Amenorrhoea Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 231100000540 amenorrhea Toxicity 0.000 description 1
- 230000001093 anti-cancer Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 238000012364 cultivation method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008736 traumatic injury Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/40—Culture of aquatic animals of annelids, e.g. lugworms or Eunice
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G33/00—Cultivation of seaweed or algae
-
- 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
-
- 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
- A23K10/38—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 from distillers' or brewers' waste
-
- 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
- A23K50/00—Feeding-stuffs specially adapted for particular animals
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- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Food Science & Technology (AREA)
- Environmental Sciences (AREA)
- Molecular Biology (AREA)
- Physiology (AREA)
- Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Marine Sciences & Fisheries (AREA)
- Mycology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Biomedical Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Birds (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention belongs to the technical field of culture methods, and particularly discloses an ecological culture method of whitmania pigra, which comprises the following steps: s1, building a culture pond: arranging a culture pond at a wind-sheltering and sun-facing position, wherein the culture pond is constructed by cement, a plastic film is laid in the culture pond to isolate water, and broken stones are laid at the bottom of the culture pond; s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants; s3, leech feeding: the single dosage is about 20-30 g, 500 kg of leech is fed per hectare, and the water temperature is kept at 22-25 ℃; s4, bait throwing: putting the shrimps and the river snails in an amount which is 2-3 times of the weight of the leeches; s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech; s6, illumination control: white light is used for illumination. The invention realizes the ecological breeding of the leeches.
Description
Technical Field
The invention belongs to the field of culture methods, and particularly discloses an ecological culture method of whitmania pigra.
Background
Leeches, commonly known as leeches, have been recorded in Shennong herbal Jing and have high medicinal value; the dried product of the aquatic animal grows and breeds in inland fresh water areas, is a traditional special medicinal aquatic animal, is soaked in the water, is used as a traditional Chinese medicine, and has the effects of treating stroke, hypertension, stasis, amenorrhea, traumatic injury and the like. In recent years, leech preparations are newly found to have special effects on the prevention and treatment of cardiovascular and cerebrovascular diseases and the anticancer aspect. Wherein, the whitmania pigra whitman has a spindle shape, the length is generally 60-130mm, and the width is 13-20 mm. The back is dark green, there are 5 longitudinal lines of black stripes mixed with light yellow, the yellow part is composed of circular spots on the 3 rings in the middle of each body segment, the midline is deeper, and there are 9 discontinuous black longitudinal stripes on both sides of the ventral surface and in the middle. In the leech breeding technology, how to improve the ecological environment-friendly leech breeding is an urgent problem to be solved.
Disclosure of Invention
In view of the above, the present invention provides an ecological cultivation method for whitmania pigra, so as to solve the problems of the prior art.
In order to achieve the above purpose, the invention provides an ecological culture method of whitmania pigra, which comprises the following steps:
s1, building a culture pond: arranging a culture pond at a wind-sheltering and sun-facing position, wherein the culture pond is constructed by cement, a plastic film is laid in the culture pond to isolate water, and broken stones are laid at the bottom of the culture pond;
s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants;
s3, leech feeding: the single dosage is about 20-30 g, 500 kg of leech is fed per hectare, and the water temperature is kept at 22-25 ℃;
s4, bait throwing: putting the shrimps and the river snails in an amount which is 2-3 times of the weight of the leeches;
s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech;
s6, illumination control: white light is used for illumination.
In the above technical solution, preferably, the leech is whitmania pigra.
In the technical scheme, preferably, dead leeches need to be cleaned in time in the culture process.
In the technical scheme, preferably, the bred leeches are placed into a designated water pool in the last 7 months of each year for fishing.
In the technical scheme, preferably, the environment-friendly feed in S5 comprises the following formula in parts by weight: 18-21 parts of vinasse, 18-21 parts of animal blood, 7-8 parts of soybean juice, 1-2 parts of baking soda, 0.02-0.04 part of citric acid, 7-8 parts of sorghum flour, 1-5 parts of edible oil, 0.1-0.5 part of taurine and 0.1-0.5 part of radix codonopsis extract.
In the above technical solution, preferably, the method for extracting the codonopsis pilosula extract comprises the following steps: drying radix Codonopsis until the water content is less than or equal to 5%, and grinding to obtain radix Codonopsis powder; adding radix Codonopsis powder into extraction tank, adding cellulase, pectinase and distilled water, mixing, heating to boil, and maintaining for 30 min; standing, collecting supernatant, filtering, and distilling to obtain solid powder.
In the above technical scheme, preferably, the escape prevention device is arranged around the culture pond.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, aquatic plants, algae, water lettuce and water hyacinth are put into the culture pond as aquatic plants, and the shrimps and the river snails are put into the culture pond, so that the shrimps and the river snails can grow freely to form a good ecological environment, food is provided for the leeches, the ecological environment-friendly advantage is achieved, and the rapid growth of the leeches can be further promoted by regularly putting the environment-friendly feed.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail with reference to specific embodiments.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.
Example 1
An ecological culture method of whitmania pigra, which comprises the following steps:
s1, building a culture pond: arranging a culture pond at a wind-sheltering and sun-facing position, wherein the culture pond is constructed by cement, a plastic film is laid in the culture pond to isolate water, and broken stones are laid at the bottom of the culture pond; an anti-escape device is arranged around the culture pond;
s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants;
s3, leech feeding: the leech is whitmania pigra, the single size of the leech is about 20 to 30 grams, 500 kilograms of leech is thrown per hectare, and the water temperature is kept at 22 to 25 ℃;
s4, bait throwing: putting the shrimps and the river snails in an amount which is 2 times of the weight of the leeches;
s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech;
s6, light control: white light is adopted for irradiation, and in the culture process, dead leeches need to be cleaned in time.
And (4) putting the bred leeches into a designated water pool in the last 7 months every year, and fishing.
The environment-friendly feed in S5 comprises the following formula in parts by weight: 18 parts of vinasse, 18 parts of animal blood, 7 parts of soybean juice, 1 part of baking soda, 0.02 part of citric acid, 7 parts of sorghum flour, 1 part of edible oil, 0.1 part of taurine and 0.1 part of codonopsis pilosula extract.
The extraction method of the codonopsis pilosula extract comprises the following steps: drying radix Codonopsis until the water content is less than or equal to 5%, and grinding to obtain radix Codonopsis powder; adding radix Codonopsis powder into extraction tank, adding cellulase, pectinase and distilled water, mixing, heating to boil, and maintaining for 30 min; standing, collecting supernatant, filtering, and distilling to obtain solid powder.
Example 2
An ecological culture method of whitmania pigra, which comprises the following steps:
s1, building a culture pond: arranging a culture pond at a wind-sheltering and sun-facing position, wherein the culture pond is constructed by cement, a plastic film is laid in the culture pond to isolate water, and broken stones are laid at the bottom of the culture pond; an anti-escape device is arranged around the culture pond;
s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants;
s3, leech feeding: the leech is whitmania pigra, the single size of the leech is about 20 to 30 grams, 500 kilograms of leech is thrown per hectare, and the water temperature is kept at 22 to 25 ℃;
s4, bait throwing: putting the shrimps and the river snails in an amount which is 2-3 times of the weight of the leeches;
s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech;
s6, illumination control: white light is adopted for irradiation, and dead leeches need to be cleaned in time in the culture process.
And (4) putting the bred leeches into a designated water pool in the last 7 months every year, and fishing.
The environment-friendly feed in S5 comprises the following formula in parts by weight: 19 parts of vinasse, 19 parts of animal blood, 7 parts of soybean juice, 1 part of baking soda, 0.03 part of citric acid, 7 parts of sorghum flour, 2 parts of edible oil, 0.2 part of taurine and 0.2 part of codonopsis pilosula extract.
The extraction method of the codonopsis pilosula extract comprises the following steps: drying radix Codonopsis until the water content is less than or equal to 5%, and grinding to obtain radix Codonopsis powder; adding radix Codonopsis powder into extraction tank, adding cellulase, pectinase and distilled water, mixing, heating to boil, and maintaining for 30 min; standing, collecting supernatant, filtering, and distilling to obtain solid powder.
Example 3
An ecological culture method of whitmania pigra, which comprises the following steps:
s1, building a culture pond: arranging a culture pond at a wind-sheltering and sun-facing position, wherein the culture pond is constructed by cement, a plastic film is laid in the culture pond to isolate water, and broken stones are laid at the bottom of the culture pond; an anti-escape device is arranged around the culture pond;
s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants;
s3, leech feeding: the leech is whitmania pigra, the single size of the leech is about 20 to 30 grams, 500 kilograms of leech is thrown per hectare, and the water temperature is kept at 22 to 25 ℃;
s4, bait throwing: putting the shrimps and the river snails in an amount which is 2-3 times of the weight of the leeches;
s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech;
s6, illumination control: white light is adopted for irradiation, and dead leeches need to be cleaned in time in the culture process.
And (4) putting the bred leeches into a designated water pool in the last 7 months every year, and fishing.
The environment-friendly feed in S5 comprises the following formula in parts by weight: 20 parts of vinasse, 20 parts of animal blood, 7 parts of soybean juice, 1 part of baking soda, 0.03 part of citric acid, 7 parts of sorghum flour, 3 parts of edible oil, 0.3 part of taurine and 0.3 part of codonopsis pilosula extract.
The extraction method of the codonopsis pilosula extract comprises the following steps: drying radix Codonopsis until water content is less than or equal to 5%, and grinding to obtain radix Codonopsis powder; adding radix Codonopsis powder into extraction tank, adding cellulase, pectinase and distilled water, mixing, heating to boil, and maintaining for 30 min; standing, collecting supernatant, filtering, and distilling to obtain solid powder.
Example 4
An ecological culture method of whitmania pigra, which comprises the following steps:
s1, building a culture pond: arranging a culture pond at a wind-sheltering and sun-facing position, wherein the culture pond is constructed by cement, a plastic film is laid in the culture pond to isolate water, and broken stones are laid at the bottom of the culture pond; an anti-escape device is arranged around the culture pond;
s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants;
s3, leech feeding: the leech is whitmania pigra, the single size of the leech is about 20 to 30 grams, 500 kilograms of leech is thrown per hectare, and the water temperature is kept at 22 to 25 ℃;
s4, bait throwing: putting the shrimps and the river snails in an amount which is 2-3 times of the weight of the leeches;
s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech;
s6, illumination control: white light is adopted for irradiation, and dead leeches need to be cleaned in time in the culture process.
And (4) putting the bred leeches into a designated water pool in the last 7 months every year, and fishing.
The environment-friendly feed in S5 comprises the following formula in parts by weight: 20 parts of vinasse, 20 parts of animal blood, 8 parts of soybean juice, 2 parts of baking soda, 0.04 part of citric acid, 8 parts of sorghum flour, 4 parts of edible oil, 0.4 part of taurine and 0.4 part of codonopsis pilosula extract.
The extraction method of the codonopsis pilosula extract comprises the following steps: drying radix Codonopsis until water content is less than or equal to 5%, and grinding to obtain radix Codonopsis powder; adding radix Codonopsis powder into extraction tank, adding cellulase, pectinase and distilled water, mixing, heating to boil, and maintaining for 30 min; standing, collecting supernatant, filtering, and distilling to obtain solid powder.
Example 5
An ecological culture method of whitmania pigra, which comprises the following steps:
s1, building a culture pond: arranging a culture pond at a wind-sheltering and sun-facing position, wherein the culture pond is constructed by cement, a plastic film is laid in the culture pond to isolate water, and broken stones are laid at the bottom of the culture pond; an anti-escape device is arranged around the culture pond;
s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants;
s3, leech feeding: the leech is whitmania pigra, the single size of the leech is about 20 to 30 grams, 500 kilograms of leech is thrown per hectare, and the water temperature is kept at 22 to 25 ℃;
s4, bait throwing: putting the shrimps and the river snails in an amount which is 2-3 times of the weight of the leeches;
s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech;
s6, illumination control: white light is adopted for irradiation, and dead leeches need to be cleaned in time in the culture process.
And (4) putting the bred leeches into a designated water pool in the last 7 months every year, and fishing.
The environment-friendly feed in S5 comprises the following formula in parts by weight: 21 parts of vinasse, 21 parts of animal blood, 8 parts of soybean juice, 2 parts of baking soda, 0.04 part of citric acid, 8 parts of sorghum flour, 5 parts of edible oil, 0.5 part of taurine and 0.5 part of codonopsis pilosula extract.
The extraction method of the codonopsis pilosula extract comprises the following steps: drying radix Codonopsis until the water content is less than or equal to 5%, and grinding to obtain radix Codonopsis powder; adding radix Codonopsis powder into extraction tank, adding cellulase, pectinase and distilled water, mixing, heating to boil, and maintaining for 30 min; standing, collecting supernatant, filtering, and distilling to obtain solid powder.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An ecological culture method of whitmania pigra, which is characterized by comprising the following steps:
s1, building a culture pond: arranging a culture pond at a position sheltered from the wind and exposed to the sun, wherein the culture pond is constructed by cement, a plastic film is paved in the culture pond for resisting water, and broken stones are paved at the bottom of the culture pond;
s2, planting aquatic plants: adding water plants, algae, water lettuce and water hyacinth into the culture pond as aquatic plants;
s3, leech feeding: the single dosage is about 20-30 g, 500 kg of leech is fed per hectare, and the water temperature is kept at 22-25 ℃;
s4, bait throwing: putting the shrimps and the river snails in an amount which is 2-3 times of the weight of the leeches;
s5, feed throwing: putting the environment-friendly feed once a week as a supplement to promote the growth of the leech;
s6, illumination control: white light is used for illumination.
2. The ecological culturing method of Whitmania pigra Whitman according to claim 1, wherein the Whitmania pigra Whitman is Whitmania pigra Whitman.
3. The ecological culturing method of Whitmania pigra Whitman according to claim 1, wherein the dead Whitmania pigra Whitman is found to need to be cleaned in time during culturing.
4. The ecological culturing method of whitmania pigra according to claim 1, characterized in that the bred whitmania pigra is put into a designated water pond for fishing processing in 7 months.
5. The ecological culturing method of whitmania pigra, according to claim 1, is characterized in that the environment-friendly feed in S5 comprises the following formula in parts by weight: 18-21 parts of vinasse, 18-21 parts of animal blood, 7-8 parts of soybean juice, 1-2 parts of baking soda, 0.02-0.04 part of citric acid, 7-8 parts of sorghum powder, 1-5 parts of edible oil, 0.1-0.5 part of taurine and 0.1-0.5 part of codonopsis pilosula extract.
6. The ecological culturing method of whitmania pigra, according to claim 5, is characterized in that the extracting method of the codonopsis pilosula extract comprises the following steps: drying radix Codonopsis until the water content is less than or equal to 5%, and grinding to obtain radix Codonopsis powder; adding radix Codonopsis powder into extraction tank, adding cellulase, pectinase and distilled water, mixing, heating to boil, and maintaining for 30 min; standing, collecting supernatant, filtering, and distilling to obtain solid powder.
7. The ecological culturing method of whitmania pigra, according to claim 1, is characterized in that the periphery of the culturing pond is provided with an escape-proof device.
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| CN202210826012.4A CN115104562A (en) | 2022-07-14 | 2022-07-14 | Ecological culture method of whitmania pigra |
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