CN113207585A - Co-culture method for breeding three-season crayfishes based on double-season rice - Google Patents
Co-culture method for breeding three-season crayfishes based on double-season rice Download PDFInfo
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- CN113207585A CN113207585A CN202110434200.8A CN202110434200A CN113207585A CN 113207585 A CN113207585 A CN 113207585A CN 202110434200 A CN202110434200 A CN 202110434200A CN 113207585 A CN113207585 A CN 113207585A
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- shrimp
- culturing
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 93
- 235000009566 rice Nutrition 0.000 title claims abstract description 93
- 241000238017 Astacoidea Species 0.000 title claims abstract description 67
- 238000009395 breeding Methods 0.000 title claims description 13
- 230000001488 breeding effect Effects 0.000 title claims description 13
- 238000003501 co-culture Methods 0.000 title claims description 10
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000238557 Decapoda Species 0.000 claims abstract description 100
- 241000209094 Oryza Species 0.000 claims abstract description 92
- 238000012258 culturing Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000003306 harvesting Methods 0.000 claims abstract description 14
- 238000009355 double cropping Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 235000013601 eggs Nutrition 0.000 claims abstract description 5
- 241000196324 Embryophyta Species 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 239000003895 organic fertilizer Substances 0.000 claims description 4
- 239000008188 pellet Substances 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 4
- 241000237858 Gastropoda Species 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 claims description 2
- 239000003337 fertilizer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000009313 farming Methods 0.000 claims 6
- 238000009344 polyculture Methods 0.000 claims 2
- 235000013339 cereals Nutrition 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- 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
- A01G22/20—Cereals
- A01G22/22—Rice
-
- 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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a method for co-culturing crayfishes in three seasons based on double cropping rice, which comprises the steps of modifying an S1 rice field, planting S2 double cropping rice and culturing the crayfishes in S3 three seasons, wherein the method adopts a culturing mode of double cropping rice and three seasons, the crayfishes in the first season are cultured in a crayfish culturing ditch, small-sized crayfish fries are adopted, high-protein feed is fed, the crayfishes in the second season adopt medium-sized crayfish fries, the crayfishes are cultivated in the paddy field together with the early season rice, the cultivation time of the crayfishes in the second season is in summer, the growth of the paddy rice can provide a natural shading place for the crayfishes, the crayfishes are prevented from being holed and lying in summer, meanwhile, the second-season shrimps are kept as parent shrimps, the water level is gradually reduced to induce the parent shrimps to mate and lay eggs, the method has the advantages that the method improves the grain production capacity of the rice field, realizes double harvest of grains and shrimps and improves the rice farmer income.
Description
Technical Field
The invention relates to a rice field co-culture technology, in particular to a co-culture method for breeding three-season crayfishes based on double-season rice.
Background
The ecological co-culture of the rice field becomes a new mode of agricultural breeding at present, but the existing breeding mode of one-season rice and one-season shrimp or one-season rice and two-season shrimp cannot meet the economic benefit requirement, and meanwhile, due to the fact that the method for co-culture of the rice and the shrimp is improper, the crayfish is small in size and low in yield.
Disclosure of Invention
The invention aims to solve the problems in the prior art, double-cropping rice is adopted for planting in the rice field, and the seedling throwing time and the harvesting time of the crayfishes are adjusted at the same time, so that the crayfishes can be harvested for three seasons in one year, and the economic benefit of the rice field is greatly improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a co-culture method for breeding three-season crayfishes based on double-season rice comprises S1 rice field modification: transforming the rice field into a rice planting area and a Hui-shaped shrimp culture ditch or a field-shaped shrimp culture ditch, and planting the S2 double cropping rice: planting early rice in late 4 th or late 5 th of month, harvesting in middle and late 7 th of month, planting late rice in late 8 th of month, harvesting late rice in late 10 th to early 11 th of month, and culturing crayfish in three seasons S3, wherein the culturing of crayfish in three seasons S3 specifically comprises the following steps:
(1) crayfish in the first season: injecting water and rich water into the shrimp culturing ditch 4 months ago, planting aquatic plants, putting shrimp seedlings, putting the shrimp seedlings according to 30-35kg per mu, 160-180 fish per kilogram, feeding the first-season crayfish pellet feed in the period, and fishing the first-season crayfish in the middle ten days of 6 months;
(2) crayfish in the second season: after the early season rice turns green, keeping the water depth of a rice planting area to be 20-30cm, putting shrimp seedlings, putting the shrimp seedlings according to 35-45kg per mu, 100 per kg of 110 plus materials, reducing the water level before harvesting the 7-month early season rice, gathering the crayfish on the field surface into a shrimp culturing ditch to be cultured to the middle and upper ten days in 8 months for catching, and reserving 40-45g of parent shrimp for culturing, wherein the male-female ratio is 3: 1;
(3) crayfish in the third season: after the late rice is planted, the water level of the shrimp culturing ditch is gradually reduced, the parent shrimps are induced to mate and lay eggs, the late rice is harvested in the last 11 th month and then is injected into a paddy field, the water level is 40-50cm, meanwhile, the egg-carrying parent shrimps in the shrimp culturing ditch are fished to a paddy planting area, the paddy planting area is covered with a shed, the adult shrimps and the parent shrimps are fished together when the adult shrimps and the parent shrimps are raised for 3-4 months in the next year.
Further, the area ratio of the rice planting area to the shrimp culture ditch is 7: 3.
the scheme of the rice planting area and the shrimp culture ditch is optimized, the shrimp culture ditch is excavated in the ridge of the rice planting area with the width of 1.5-3m and the depth of 0.8-1.2m, and the slope ratio is 1-1.5: 1.
further, the protein content of the first-season crayfish pellet feed is 32-44%.
Further, the coverage rate of the aquatic plants is 30-35%.
Further, the fertilizer water in the step (1) is 15-20kg of decomposed organic fertilizer and 5-8kg of snails applied to each mu of shrimp culture ditch.
Further, after the greenhouse is buckled in the step (3), keeping the water temperature at 18-22 ℃.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a double-cropping rice and three-cropping shrimp breeding mode, the crayfish in the first season is bred in a shrimp breeding ditch, small-sized shrimp seedlings are adopted, high-protein feed is fed, the crayfish in the second season is bred in a rice field together with early rice by adopting medium-sized shrimp seedlings, the breeding time of the crayfish in the second season is summer, the growth of rice can provide a natural shade place for the crayfish to prevent the crayfish from digging a hole and lodging in summer, meanwhile, the crayfish in the second season is kept as parent shrimps, the water level is gradually reduced to induce the parent shrimps to mate and spawn, the parent shrimps and new shrimp seedlings are bred in the rice field after late rice is harvested, and the rice field adopts a shed covering treatment technology to ensure the growth temperature.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the present invention will be described more clearly and completely below with reference to specific embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A co-culture method for breeding three-season crayfishes based on double-season rice comprises S1 rice field modification: transforming the rice field into a rice planting area and a Hui-shaped shrimp culture ditch or a field-shaped shrimp culture ditch, excavating the shrimp culture ditch at 0.5-1m of the ridge of the rice planting area, wherein the width of the shrimp culture ditch is 2m, the depth of the shrimp culture ditch is 1m, and the slope ratio is 1.5: 1, the area ratio of the rice planting area to the shrimp culture ditch is 7: 3, S2 double cropping rice planting: planting early rice in late 4 th or late 5 th of month, harvesting in middle and late 7 th of month, planting late rice in late 8 th of month, harvesting late rice in late 10 th to early 11 th of month, and culturing crayfish in three seasons S3, wherein the culturing of crayfish in three seasons S3 specifically comprises the following steps: (1) crayfish in the first season: injecting water into the shrimp culture ditches 4 months ago, applying 20kg of decomposed organic fertilizer and 8kg of snails in each acre of shrimp culture ditches, planting aquatic plants, putting the shrimp seedlings with the aquatic plant coverage rate of 35%, putting the shrimp seedlings according to 35kg per acre and 180 tails per kg, feeding the crayfish granulated feed of the first season in the period, wherein the protein content is 40%, and fishing the crayfish of the first season in the middle ten days of 6 months; (2) crayfish in the second season: after the early season rice turns green, keeping the water depth of a rice planting area to be 20-30cm, putting shrimp seeds, putting the shrimp seeds according to 45kg per mu, lowering the water level of the early season rice before harvesting 7 months, gathering the crayfish on the field surface into a shrimp culturing ditch to be cultured to the middle and upper ten days of 8 months for catching, and reserving parent shrimps with the specification of 40-45g for culturing, wherein the male and female ratio is 3: 1; (3) crayfish in the third season: after the late rice is planted, the water level of the shrimp culturing ditch is gradually reduced, the parent shrimps are induced to mate and lay eggs, the late rice is harvested in the last 11 months and then is injected into a paddy field, the water level is 40-50cm, meanwhile, the egg-carrying parent shrimps in the shrimp culturing ditch are fished to a paddy planting area, the paddy planting area is covered with a shed, the water temperature is kept at 20 ℃, the adult shrimps and the parent shrimps are fished together after the adult shrimps and the parent shrimps are cultured for 3-4 months in the next year.
Example 2
A co-culture method for breeding three-season crayfishes based on double-season rice comprises S1 rice field modification: transforming the rice field into a rice planting area and a Hui-shaped shrimp culture ditch or a field-shaped shrimp culture ditch, excavating the shrimp culture ditch at 0.5-1m of the ridge of the rice planting area, wherein the width of the shrimp culture ditch is 2.5m, the depth of the shrimp culture ditch is 1.2m, and the slope ratio is 1: 1, the area ratio of the rice planting area to the shrimp culture ditch is 7: 3, S2 double cropping rice planting: planting early rice in late 4 th or late 5 th of month, harvesting in middle and late 7 th of month, planting late rice in late 8 th of month, harvesting late rice in late 10 th to early 11 th of month, and culturing crayfish in three seasons S3, wherein the culturing of crayfish in three seasons S3 specifically comprises the following steps: (1) crayfish in the first season: injecting water into the shrimp culture ditches 4 months ago, applying 15kg of decomposed organic fertilizer and 5kg of spiral shell in each acre of shrimp culture ditches, planting aquatic plants, wherein the coverage rate of the aquatic plants is 30%, putting shrimp seedlings, wherein the shrimp seedlings are put in 30kg per acre and 160 tails per kg, and during the period, feeding the first-season crayfish granulated feed, the protein content is 32%, and fishing the first-season crayfish in the middle ten days of 6 months; (2) crayfish in the second season: after the early season rice turns green, keeping the water depth of a rice planting area to be 20-30cm, putting shrimp seeds, putting the shrimp seeds according to 35kg per mu, lowering the water level before harvesting the early season rice in 7 months, gathering the crayfish on the field surface into a shrimp culturing ditch to be cultured to the middle and upper ten days in 8 months for catching, and reserving parent shrimps with the specification of 40-45g for culturing, wherein the male and female ratio is 3: 1; (3) crayfish in the third season: after the late rice is planted, the water level of the shrimp culturing ditch is gradually reduced, the parent shrimps are induced to mate and lay eggs, the late rice is harvested in the last 11 months and then is injected into a paddy field, the water level is 40-50cm, meanwhile, the egg-carrying parent shrimps in the shrimp culturing ditch are fished to a paddy planting area, the paddy planting area is covered with a shed, the water temperature is kept at 18 ℃, the adult shrimps and the parent shrimps are fished together when the adult shrimps and the parent shrimps are cultured for 3-4 months in the next year.
Claims (7)
1. A co-culture method for breeding three-season crayfishes based on double-season rice comprises S1 rice field modification: transforming the rice field into a rice planting area and a Hui-shaped shrimp culture ditch or a field-shaped shrimp culture ditch, and planting the S2 double cropping rice: planting early rice in late 4 th or 5 th of month, harvesting in middle and late 7 th of month, planting late rice in late 8 th of month, harvesting late rice in late 10 th to 11 th of month, and culturing crayfish in three seasons S3, wherein the culturing of crayfish in three seasons S3 specifically comprises:
(1) crayfish in the first season: injecting water and rich water into the shrimp culturing ditch 4 months ago, planting aquatic plants, putting shrimp seedlings, putting the shrimp seedlings according to 30-35kg per mu, 160-180 fish per kilogram, feeding the first-season crayfish pellet feed in the period, and fishing the first-season crayfish in the middle ten days of 6 months;
(2) crayfish in the second season: after the early season rice turns green, keeping the water depth of a rice planting area to be 20-30cm, putting shrimp seedlings, putting the shrimp seedlings according to 35-45kg per mu, 100 per kg of 110 plus materials, reducing the water level before harvesting the 7-month early season rice, gathering the crayfish on the field surface into a shrimp culturing ditch to be cultured to the middle and upper ten days in 8 months for catching, and reserving 40-45g of parent shrimp for culturing, wherein the male-female ratio is 3: 1;
(3) crayfish in the third season: after the late rice is planted, the water level of the shrimp culturing ditch is gradually reduced, the parent shrimps are induced to mate and lay eggs, the late rice is harvested in the last 11 th month and then is injected into a paddy field, the water level is 40-50cm, meanwhile, the egg-carrying parent shrimps in the shrimp culturing ditch are fished to a paddy planting area, the paddy planting area is covered with a shed, the adult shrimps and the parent shrimps are fished together when the adult shrimps and the parent shrimps are raised for 3-4 months in the next year.
2. The double cropping rice-based three-season crayfish breeding co-farming method according to claim 1, wherein the area ratio of the rice planting area to the shrimp farming ditch is 7: 3.
3. the method for co-culturing the three-season crayfishes on the basis of the two-season rice as claimed in claim 2, wherein the shrimp culture ditches are dug in the ridges of the rice planting areas with the width of 1.5-3m and the depth of 0.5-1m
0.8-1.2m, slope ratio 1-1.5: 1.
4. the double cropping rice-based three season crayfish farming polyculture method as claimed in claim 1, wherein the protein content of the first season crayfish pellet feed is 32-44%.
5. The double cropping rice-based three season crayfish farming polyculture method as claimed in claim 1, wherein the aquatic plant coverage is 30-35%.
6. The method for co-culturing the three-season crayfishes based on the double-season rice as claimed in claim 1, wherein the fertilizer water in the step (1) is 15-20kg of decomposed organic fertilizer and 5-8kg of snails applied to each acre of shrimp culture ditch.
7. The double cropping rice-based three season crayfish farming co-farming method according to claim 1, wherein the water temperature is maintained at 18-22 ℃ after the greenhouse buckling in the step (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110434200.8A CN113207585A (en) | 2021-04-22 | 2021-04-22 | Co-culture method for breeding three-season crayfishes based on double-season rice |
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| CN202110434200.8A CN113207585A (en) | 2021-04-22 | 2021-04-22 | Co-culture method for breeding three-season crayfishes based on double-season rice |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009383A (en) * | 2021-12-09 | 2022-02-08 | 中国科学院亚热带农业生态研究所 | Ecological breeding method for rice and shrimps |
| CN115088654A (en) * | 2022-07-04 | 2022-09-23 | 广西壮族自治区水产科学研究院 | Crayfish rice field flat culture method |
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2021
- 2021-04-22 CN CN202110434200.8A patent/CN113207585A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009383A (en) * | 2021-12-09 | 2022-02-08 | 中国科学院亚热带农业生态研究所 | Ecological breeding method for rice and shrimps |
| CN115088654A (en) * | 2022-07-04 | 2022-09-23 | 广西壮族自治区水产科学研究院 | Crayfish rice field flat culture method |
| CN115088654B (en) * | 2022-07-04 | 2024-03-01 | 广西壮族自治区水产科学研究院 | Method for raising crayfish in paddy field |
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