CN111213557A - Method for breeding metapenaeus ensis in rice field - Google Patents
Method for breeding metapenaeus ensis in rice field Download PDFInfo
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 104
- 235000009566 rice Nutrition 0.000 title claims abstract description 104
- 241001454429 Metapenaeus ensis Species 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000009395 breeding Methods 0.000 title claims description 13
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- 239000013505 freshwater Substances 0.000 claims description 11
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 10
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- 239000008280 blood Substances 0.000 claims description 6
- 210000004369 blood Anatomy 0.000 claims description 6
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- 244000105624 Arachis hypogaea Species 0.000 claims description 5
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- 240000006432 Carica papaya Species 0.000 claims description 5
- 235000009467 Carica papaya Nutrition 0.000 claims description 5
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims description 5
- 241000287828 Gallus gallus Species 0.000 claims description 5
- 240000000691 Houttuynia cordata Species 0.000 claims description 5
- 235000013719 Houttuynia cordata Nutrition 0.000 claims description 5
- 244000062793 Sorghum vulgare Species 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 229930003268 Vitamin C Natural products 0.000 claims description 5
- 238000005276 aerator Methods 0.000 claims description 5
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims description 5
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- 239000010871 livestock manure Substances 0.000 claims description 5
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- 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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- Marine Sciences & Fisheries (AREA)
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Abstract
The invention discloses a method for cultivating metapenaeus ensis in a rice field in the related technical field of aquaculture, which comprises the steps of rice field arrangement, disinfection planting, shrimp fry feeding, feed feeding, feeding management, fishing and the like; in the technical scheme of the invention, the water body dissolved oxygen and water body disinfection for metapenaeus ensis culture are emphasized, no medicine is used, no macrodeath of metapenaeus ensis is ensured, and the method is green, safe, economical and efficient; the survival rate of the shrimp larvae is improved by the aid of the larvae revival treatment, and economic benefits are guaranteed; the method has the advantages that the method utilizes the rice field to culture the metapenaeus ensis, obtains the metapenaeus ensis additionally on the premise of not influencing the growth of rice, and has good economic benefit; the nutrient substances for feeding the metapenaeus ensis and the discharged garbage generated by the metapenaeus ensis can provide nutrition for the growth of rice and have synergistic effect on the growth of the rice.
Description
Technical Field
The invention relates to the relevant technical field of aquaculture, in particular to a method for breeding metapenaeus ensis in a rice field.
Background
The metapenaeus ensis is soft in meat quality, easy to digest and rich in nutrition, can well protect a cardiovascular system, reduces the content of cholesterol in blood and is deeply favored by people. However, the metapenaeus ensis is easy to be infected with diseases in the culture process, and simultaneously, the metapenaeus ensis is easy to bite each other due to the reasons of life habits and the like, so that the yield of the metapenaeus ensis cannot be effectively improved due to various factors, and the economic benefit is reduced. Therefore, a green and intensive culture mode needs to be developed, the culture yield of the metapenaeus ensis is improved, and economic benefits are created.
Disclosure of Invention
Aiming at the technical problems that a green and intensive culture mode needs to be developed in the prior art, the culture yield of the metapenaeus ensis is improved, and economic benefits are created, the invention provides a method for culturing the metapenaeus ensis in the rice field.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a method for breeding metapenaeus ensis in a rice field comprises the following steps:
s1, rice field finishing: selecting a rice field with smooth drainage and irrigation, draining water in the rice field, arranging sand-piled field ridges in the middle of the rice field, arranging a bait containing device beside the sand-piled field ridges, arranging a drainage ditch with the depth of 50-80 cm between every two adjacent sand-piled field ridges, arranging an aerator in the drainage ditch, arranging a 'mouth' -shaped annular ditch connected with the drainage ditch around the rice field, arranging a dam outside the 'mouth' -shaped annular ditch, arranging anti-escape nets at a water inlet and a water outlet of the rice field respectively, and airing the rice field for 3-5 days;
s2 disinfection planting: uniformly applying quicklime according to the using amount of 60-80 kg/mu, airing for 5-7 days, then injecting water with the depth of 10-15 cm, wherein the depth of the water does not include the depth of the drainage ditch, standing for 1-2 days, then replacing with fresh water, and transplanting rice with 12000-15000 holes per mu;
s3 putting the shrimp fries: selecting shrimp seeds with the body length of 0.6-0.8 cm, strong physique, strong bounce, uniform specification and clean and tidy yellow-brown body surfaces, and stocking 4-5 thousands of shrimps per mu when the temperature difference between the pool water of the shrimp seeds and the fresh water in the rice field is not more than 2 ℃;
s4 feed feeding: after the shrimp seeds grow for 25-30 days, feeding a basic shrimp feed into the bait containing device according to 5-7% of the weight of the shrimp seeds, wherein the basic shrimp feed comprises the following components in parts by weight: 5-10 parts of millet bran, 15-20 parts of bran, 5-10 parts of peanut residues, 30-40 parts of papaya powder, 20-30 parts of dried mushroom powder, 3-5 parts of houttuynia cordata, 50-60 parts of oat powder, 20-30 parts of chicken blood powder, 3-5 parts of fishbone powder, 1-3 parts of crab shell powder and 0.03-0.05 part of vitamin C;
s5 breeding management: along with the growth of rice seedlings, the water level of the rice field is deepened to 15-20 cm, water is changed every 5-10 days, when the temperature of the water in the rice field is higher than 25 ℃, water is changed every 2-3 days, the water change amount is 1/3-1/2 of the volume of the water in the rice field, the fresh water quality, the moderate fertility, the light green water color are kept, the transparency is 35-40 cm, and the dissolved oxygen is more than or equal to 5 mg/L; applying quicklime once every 20-25 days according to the dosage of 7.5-10 kg per mu, and controlling the pH value of the water body to be 7-8;
s6 fishing: and (4) when the shrimp seedlings are cultured for 90-110 days and grow to 8-10 cm, fishing by means of collecting the shrimps through a ground cage, pulling a net to catch the shrimps or draining water in a dry field to catch the shrimps.
Further, in S2 disinfection planting, after new water is added, 200-300 kg of fermented manure, 10-15 kg of urea, 10-15 kg of mushroom residue, 30-36 kg of straw bran and 3-5 kg of calcium superphosphate are added into each mu of the new water.
Further, in the S4 feed feeding, the feed for the metapenaeus ensis is prepared by the following operation: accurately weighing the components, fully crushing and mixing, heating and curing at 100-120 ℃ for 30-45 min, and performing puffing granulation.
Furthermore, in S4 feed feeding, the feeding of the feed for the metapenaeus ensis is carried out 3-4 times per day, the feeding amount of each time is 2-3 h for eating, and the feeding amount in the evening accounts for 35-45% of the feeding amount in the whole day.
Further, the method for culturing metapenaeus ensis in the rice field further comprises the following steps of before the S3 shrimp fries are put in: and (3) the shrimp seedlings are fed back in a slow-raising pond, water in the slow-raising pond is used as water in the shrimp seedling pond at first, 8-12% of the volume of the water in the shrimp seedling pond is replaced by the new water in the rice field every 2-3 days until all the water in the slow-raising pond is the new water in the rice field.
Further, during S5 breeding management, cultivating silver carps in the rice field in a mixed mode according to the quantity of 500-600 silver carps per mu, and adjusting water quality.
The invention has the following advantages:
1. in the technical scheme of the invention, the water body dissolved oxygen and water body disinfection for metapenaeus ensis culture are emphasized, no medicine is used, no macrodeath of metapenaeus ensis is ensured, and the method is green, safe, economical and efficient;
2. the survival rate of the shrimp larvae is improved by the aid of the larvae revival treatment, and economic benefits are guaranteed;
3. the method has the advantages that the method utilizes the rice field to culture the metapenaeus ensis, obtains the metapenaeus ensis additionally on the premise of not influencing the growth of rice, and has good economic benefit;
4. the nutrient substances for feeding the metapenaeus ensis and the discharged garbage generated by the metapenaeus ensis can provide nutrition for the growth of rice and have synergistic effect on the growth of the rice.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of the method for cultivating metapenaeus ensis in a paddy field according to the invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Moreover, in the following description, descriptions of well-known structures, techniques, and operations are omitted so as to not unnecessarily obscure the concepts of the present invention. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the method for breeding metapenaeus ensis in rice field includes the following steps by way of example:
example 1
S1, rice field finishing: selecting a rice field with smooth drainage and irrigation, draining water in the rice field, arranging sand-piled field ridges in the middle of the rice field, arranging a bait containing device beside the sand-piled field ridges, arranging a drainage ditch with the depth of 50cm between every two adjacent sand-piled field ridges, arranging an aerator in the drainage ditch, arranging a square annular ditch connected with the drainage ditch around the rice field, arranging dams outside the square annular ditch, respectively arranging anti-escape nets at a water inlet and a water outlet of the rice field, and airing the rice field for 3 days;
s2 disinfection planting: uniformly applying quicklime according to the using amount of 60 kg/mu, airing for 5 days, then injecting water with the depth of 10cm, wherein the depth of the water does not include the depth of a drainage ditch in the front, standing for 1 day, then changing into new water, adding 200kg of fermented manure, 10kg of urea, 10kg of mushroom residues, 30kg of straw bran and 3kg of calcium superphosphate into each mu of new water, and transplanting rice in 12000-13000 holes in each mu of rice;
s3.0 seedling revival: the method comprises the following steps of (1) rejuvenating shrimp seedlings in a slow culture pond, wherein water in the slow culture pond is originally used for water in the shrimp seedling pond, and 8% of the volume of the water in the shrimp seedling pond is replaced by new water in a rice field every 2 days until all the water in the slow culture pond is the new water in the rice field;
s3 putting the shrimp fries: selecting shrimp seeds with the body length of 0.6-0.8 cm, strong physique, strong bounce, uniform specification and clean and tidy yellow-brown body surfaces, and stocking 4-4.2 thousands of shrimps per mu when the temperature difference between the pool water of the shrimp seeds and the fresh water in the rice field is 2 ℃;
s4 feed feeding: after the shrimp seeds grow for 25 days, feeding the basic shrimp feed into the bait containing device according to 5% of the weight of the shrimp seeds, wherein the basic shrimp feed comprises the following components in parts by weight: 5 parts of millet bran, 15 parts of bran, 5 parts of peanut residues, 30 parts of papaya powder, 20 parts of winter mushroom powder, 3 parts of houttuynia cordata, 50 parts of oat powder, 20 parts of chicken blood powder, 3 parts of fishbone powder, 1 part of crab shell powder and 0.03 part of vitamin C; prepared by the following steps: accurately weighing each component, pulverizing, mixing, heating at 100 deg.C for aging for 30min, and puffing and granulating; feeding is carried out 3 times every day, the feeding amount of each time is 2h, and the feeding amount in the evening accounts for 35% of the feeding amount in the whole day;
s5 breeding management: along with the growth of rice seedlings, the water level of a rice field is deepened to 15cm, water is changed every 5 days, when the temperature of the rice field water is higher than 25 ℃, water is changed every 2 days, the water change amount is 1/3 of the volume of the water in the rice field, the water quality is kept fresh, the fertility is moderate, the water color is light green, the transparency is 35-40 cm, the depth of part of water in a drainage ditch can be seen, and the dissolved oxygen is more than or equal to 5 mg/L; applying quicklime once every 20 days according to the dosage of 7.5 kg/mu, and controlling the pH value of the water body to be 7; carrying out polyculture on silver carps in the rice field according to the amount of 500-550 silver carps per mu to adjust the water quality;
s6 fishing: and (5) culturing for 90 days, and fishing the shrimps in a mode of collecting the shrimps through a ground cage when the body length of the shrimps grows to 8-10 cm.
Example 2
S1, rice field finishing: selecting a rice field with smooth drainage and irrigation, draining water in the rice field, arranging sand-piled field ridges in the middle of the rice field, arranging a bait containing device beside the sand-piled field ridges, arranging a drainage ditch with the depth of 70cm between every two adjacent sand-piled field ridges, arranging an aerator in the drainage ditch, arranging a square annular ditch connected with the drainage ditch around the rice field, arranging dams outside the square annular ditch, respectively arranging anti-escape nets at a water inlet and a water outlet of the rice field, and airing the rice field for 4 days;
s2 disinfection planting: uniformly applying quicklime according to the using amount of 70 kg/mu, airing for 6 days, then injecting water with the depth of 13cm, wherein the depth of the water does not include the depth of a drainage ditch in the front, standing for 2 days, then changing the water into new water, adding 250kg of fermented manure, 13kg of urea, 13kg of mushroom residues, 33kg of straw bran and 4kg of calcium superphosphate into each mu of the new water, and transplanting rice with 13000-14000 holes in each mu of the rice;
s3.0 seedling revival: the method comprises the following steps of (1) rejuvenating shrimp seedlings in a slow culture pond, wherein water in the slow culture pond is originally used for water in the shrimp seedling pond, and 10% of the volume of the water in the shrimp seedling pond is replaced by new water in a rice field every 3 days until all the water in the slow culture pond is the new water in the rice field;
s3 putting the shrimp fries: selecting shrimp seeds with the body length of 0.6-0.8 cm, strong physique, strong bounce, uniform specification and clean and tidy yellow-brown body surfaces, and stocking 4.4-4.5 thousands of shrimps per mu when the temperature difference between the pool water of the shrimp seeds and the fresh water in the rice field is not more than 1.5 ℃;
s4 feed feeding: after the shrimp seeds grow for 28 days, feeding the basic shrimp feed into the bait containing device according to 6% of the weight of the shrimp seeds, wherein the basic shrimp feed comprises the following components in parts by weight: 8 parts of millet bran, 18 parts of bran, 8 parts of peanut residues, 35 parts of pawpaw powder, 25 parts of winter mushroom powder, 4 parts of houttuynia cordata, 55 parts of oat powder, 25 parts of chicken blood powder, 4 parts of fishbone powder, 2 parts of crab shell powder and 0.04 part of vitamin C; prepared by the following steps: accurately weighing the components, fully crushing and mixing, heating and curing at 110 ℃ for 40min, and performing puffing granulation; feeding is carried out 4 times every day, the feeding amount of each time is 2.5h, and the feeding amount in the evening accounts for 40% of the feeding amount in the whole day;
s5 breeding management: along with the growth of rice seedlings, the water level of a rice field is deepened to 18cm, water is changed every 8 days, when the temperature of the rice field water is higher than 27 ℃, water is changed every 3 days, the water change amount is 1/2 of the volume of the water in the rice field, the fresh water quality, the moderate fertility and the light green water color are kept, the transparency is 35-40 cm, and the dissolved oxygen is more than or equal to 7 mg/L; applying quicklime once every 23 days according to the dosage of 9 kg/mu, and controlling the pH value of the water body to be 7.5; polyculturing silver carps in the rice field according to the amount of 550-580 silver carps per mu to adjust the water quality;
s6 fishing: and (5) fishing by a net-pulling shrimp-catching mode when the shrimp seedlings grow to 8-10 cm after being cultured for 100 days.
Example 3
S1, rice field finishing: selecting a rice field with smooth drainage and irrigation, draining water in the rice field, arranging sand-piled field ridges in the middle of the rice field, arranging a bait containing device beside the sand-piled field ridges, arranging a drainage ditch with the depth of 80cm between every two adjacent sand-piled field ridges, arranging an aerator in the drainage ditch, arranging a square annular ditch connected with the drainage ditch around the rice field, arranging dams outside the square annular ditch, respectively arranging anti-escape nets at a water inlet and a water outlet of the rice field, and airing the rice field for 5 days;
s2 disinfection planting: uniformly applying quicklime according to the using amount of 80 kg/mu, airing for 7 days, then injecting water with the depth of 15cm, wherein the depth of the water does not include the depth of a drainage ditch in the front, standing for 2 days, then changing into new water, adding 300kg of fermented manure, 15kg of urea, 15kg of mushroom residues, 36kg of straw bran and 5kg of calcium superphosphate into each mu of the new water, and transplanting rice with 14000-15000 holes per mu;
s3.0 seedling revival: the method comprises the following steps of (1) rejuvenating shrimp seedlings in a slow culture pond, wherein water in the slow culture pond is originally used for water in the shrimp seedling pond, and 12% of the volume of the water in the shrimp seedling pond is replaced by new water in a rice field every 3 days until all the water in the slow culture pond is the new water in the rice field;
s3 putting the shrimp fries: selecting shrimp seeds with the body length of 0.6-0.8 cm, strong physique, strong bounce, uniform specification and clean and tidy yellow-brown body surfaces, and stocking 4.8-5 thousands of shrimps per mu when the temperature difference between the pool water of the shrimp seeds and the fresh water in the rice field is not more than 1 ℃;
s4 feed feeding: after the shrimp seeds grow for 30 days, feeding the basic shrimp feed into the bait containing device according to 7% of the weight of the shrimp seeds, wherein the basic shrimp feed comprises the following components in parts by weight: 10 parts of millet bran, 20 parts of bran, 10 parts of peanut residues, 40 parts of pawpaw powder, 30 parts of dried mushroom powder, 5 parts of houttuynia cordata, 60 parts of oat powder, 30 parts of chicken blood powder, 5 parts of fishbone powder, 3 parts of crab shell powder and 0.05 part of vitamin C; prepared by the following steps: accurately weighing each component, fully crushing and mixing, heating and curing at 120 ℃ for 45min, and performing puffing granulation; feeding is carried out 4 times every day, the feeding amount of each time is 3h, and the feeding amount in the evening accounts for 45 percent of the feeding amount in the whole day;
s5 breeding management: along with the growth of rice seedlings, the water level of a rice field is deepened to 20cm, water is changed every 10 days, when the temperature of the rice field water is higher than 28 ℃, water is changed every 2 days, the water change amount is 1/2 of the volume of the water in the rice field, the fresh water quality, the moderate fertility and the light green water color are kept, the transparency is 35-40 cm, and the dissolved oxygen is more than or equal to 10 mg/L; applying quicklime once every 25 days according to the dosage of 10 kg/mu, and controlling the pH value of the water body to be 8; carrying out polyculture on silver carps in the rice field according to the amount of 580-600 silver carps per mu to adjust the water quality;
s6 fishing: and (5) fishing the shrimp seedlings by draining water in a dry field when the shrimp seedlings grow to 8-10 cm after being cultured for 110 days.
In the technical scheme of the invention, the water body dissolved oxygen and water body disinfection for metapenaeus ensis culture are emphasized, no medicine is used, no macrodeath of metapenaeus ensis is ensured, and the method is green, safe, economical and efficient; the survival rate of the shrimp larvae is improved by the aid of the larvae revival treatment, and economic benefits are guaranteed; according to the method, the rice field is utilized to culture the metapenaeus ensis, the metapenaeus ensis is additionally obtained on the premise of not influencing the growth of rice, and good economic benefits are achieved; the nutrient substances for feeding the metapenaeus ensis and the discharged garbage generated by the metapenaeus ensis can provide nutrition for the growth of rice and have synergistic effect on the growth of the rice.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are within the scope of the invention.
Claims (6)
1. A method for breeding metapenaeus ensis in a rice field is characterized by comprising the following steps: the method comprises the following steps:
s1, rice field finishing: selecting a rice field with smooth drainage and irrigation, draining water in the rice field, arranging sand-piled field ridges in the middle of the rice field, arranging a bait containing device beside the sand-piled field ridges, arranging a drainage ditch with the depth of 50-80 cm between every two adjacent sand-piled field ridges, arranging an aerator in the drainage ditch, arranging a 'mouth' -shaped annular ditch connected with the drainage ditch around the rice field, arranging a dam outside the 'mouth' -shaped annular ditch, arranging anti-escape nets at a water inlet and a water outlet of the rice field respectively, and airing the rice field for 3-5 days;
s2 disinfection planting: uniformly applying quicklime according to the using amount of 60-80 kg/mu, airing for 5-7 days, then injecting water with the depth of 10-15 cm, standing for 1-2 days, then changing into fresh water, and transplanting rice with 12000-15000 holes per mu;
s3 putting the shrimp fries: selecting shrimp seeds with the body length of 0.6-0.8 cm, strong physique, strong bounce, uniform specification and clean and tidy yellow-brown body surfaces, and stocking 4-5 thousands of shrimps per mu when the temperature difference between the pool water of the shrimp seeds and the fresh water in the rice field is not more than 2 ℃;
s4 feed feeding: after the shrimp seeds grow for 25-30 days, feeding a basic shrimp feed into the bait containing device according to 5-7% of the weight of the shrimp seeds, wherein the basic shrimp feed comprises the following components in parts by weight: 5-10 parts of millet bran, 15-20 parts of bran, 5-10 parts of peanut residues, 30-40 parts of papaya powder, 20-30 parts of dried mushroom powder, 3-5 parts of houttuynia cordata, 50-60 parts of oat powder, 20-30 parts of chicken blood powder, 3-5 parts of fishbone powder, 1-3 parts of crab shell powder and 0.03-0.05 part of vitamin C;
s5 breeding management: along with the growth of rice seedlings, the water level of the rice field is deepened to 15-20 cm, water is changed every 5-10 days, when the temperature of the water in the rice field is higher than 25 ℃, water is changed every 2-3 days, the water change amount is 1/3-1/2 of the volume of the water in the rice field, the fresh water quality, the moderate fertility, the light green water color are kept, the transparency is 35-40 cm, and the dissolved oxygen is more than or equal to 5 mg/L; applying quicklime once every 20-25 days according to the dosage of 7.5-10 kg per mu, and controlling the pH value of the water body to be 7-8;
s6 fishing: and (4) when the shrimp seedlings are cultured for 90-110 days and grow to 8-10 cm, fishing by means of collecting the shrimps through a ground cage, pulling a net to catch the shrimps or draining water in a dry field to catch the shrimps.
2. The method for paddy field cultivation of metapenaeus ensis as claimed in claim 1, wherein: in S2 disinfection planting, after new water is changed, 200-300 kg of fermented manure, 10-15 kg of urea, 10-15 kg of mushroom residues, 30-36 kg of straw bran and 3-5 kg of calcium superphosphate are added into each mu of the new water.
3. The method for paddy field cultivation of metapenaeus ensis as claimed in claim 1, wherein: in S4 feed feeding, the feed for the metapenaeus ensis is prepared by the following operation: accurately weighing the components, fully crushing and mixing, heating and curing at 100-120 ℃ for 30-45 min, and performing puffing granulation.
4. The method for paddy field cultivation of metapenaeus ensis as claimed in claim 1, wherein: s4 feeding of the feed for the metapenaeus ensis is carried out 3-4 times per day, the feeding amount of each time is 2-3 h, and the feeding amount in the evening accounts for 35-45% of the feeding amount in the whole day.
5. The method for breeding metapenaeus ensis in the paddy field according to any one of claims 1 to 4, wherein: before S3 shrimp larvae are released, S3.0 larvae release is also included: and (3) the shrimp seedlings are fed back in a slow-raising pond, water in the slow-raising pond is used as water in the shrimp seedling pond at first, 8-12% of the volume of the water in the shrimp seedling pond is replaced by the new water in the rice field every 2-3 days until all the water in the slow-raising pond is the new water in the rice field.
6. The method for paddy field cultivation of metapenaeus ensis as claimed in claim 5, wherein: and S5, during the feeding management, performing polyculture on the silver carps in the rice field according to the amount of 500-600 silver carps per mu, and regulating the water quality in summer.
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| CN113841643B (en) * | 2021-10-27 | 2022-11-04 | 海南归耘田农业科技有限公司 | Rapid breeding method of paddy field shrimps |
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