CN103461225A - Artificial bionic method for breeding rice field eel fries in net cages - Google Patents
Artificial bionic method for breeding rice field eel fries in net cages Download PDFInfo
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- CN103461225A CN103461225A CN2013103245773A CN201310324577A CN103461225A CN 103461225 A CN103461225 A CN 103461225A CN 2013103245773 A CN2013103245773 A CN 2013103245773A CN 201310324577 A CN201310324577 A CN 201310324577A CN 103461225 A CN103461225 A CN 103461225A
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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
- 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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Abstract
The invention discloses an artificial bionic method for breeding rice field eel fries in net cages. The method comprises steps of net cage manufacturing, float grass planting, parent selection, proper fry throwing, fry cultivation and the like. The method has the characteristics of low parent mortality, high spawning rate, high fry survival rate and low fry cost. The net cages can be used for simulating the natural growing environment of rice field eels, so that the probability of invasion of rice field eels by natural enemies in a breeding process is lowered; a high-nutrition mixed feed is adopted, so that the growing speed and spawning rate can be increased; the feed is applied at a temperature which is most suitable for the growth of rice field eels, so that the spawning rate of rice field eels is further increased. According to the artificial bionic method for breeding rice field eel fries in net cages, the defects of the prior art are overcome, the production cost of fries is lowered, the profit of culturists is increased, the market demand is met, and a very good market prospect is achieved.
Description
Technical field
The present invention relates to a kind of aquaculture method, especially relate to a kind of swamp eel net cage artificial bionic state offspring breeding method.
Background technology
Swamp eel is commonly called as yellow eel, the aquatic fish in temperate zone, and it is nutritious, and fine and tender taste is rich in protein, DHA, lecithin, vitamin A, various trace element.There is well medicinal and edibility, can make multiple cuisines, very popular.
Swamp eel has the characteristic of sex reversal, produced after a deutovum by female become male.The swamp eel fish brood amount of self-sow is little, and egg laying amount is low, adds overfishing, and wild swamp eel seedling quantity seldom, can't meet artificial breeding demand in enormous quantities, and market has openings is very large.
Summary of the invention
The purpose of this invention is to provide a kind of swamp eel net cage artificial bionic state offspring breeding method, to improve, the existing wild seedling of swamp eel is few, the technical problem such as can't meet the need of market.
The present invention mainly solves the problems of the technologies described above by following technical proposals: a kind of swamp eel net cage artificial bionic state offspring breeding method comprises the following steps:
A. net cage is made: select the net cage of polyvinyl chloride material, single net cage is of a size of 1-2m
2, mesh density 60 orders, 1-April 20 March, in the water body that is 0.05-1 meter per second at flow velocity, place net cage;
B. throw and plant pasture and water: after placing net cage, will the pasture and water desinsection, throw after sterilization and be implanted in net cage, the pasture and water coverage rate reaches 80-90% of water area in net cage;
C. the parent selects: select without disease, without the parent swamp eel of wound, energetic, look yellow stalwartness, the age of a fish is more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20 in good time, when weather is fine, throws in, and the input specification is 1500-1750g/m
2, male and female swamp eel ratio is 1:(1.33-1.67);
E. cultivate seedling: the parent swamp eel throw in after the initial stage throw something and feed bait by following component by weight preparation: 40 parts of earthworms, rotten 40 parts of fish, 20 parts of artifical compound feeds; After throwing something and feeding 15-20 days continuously, the ratio of bait is adjusted into to 20 parts of earthworms, rotten 30 parts of fish, 50 parts of artifical compound feeds, 0.05-0.3 part of B B-complex; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted into to 10 parts of earthworms, rotten 30 parts of fish, 60 parts of artifical compound feeds, 0.06-0.3 part of B B-complex, feeding time is selected in 25-28 ℃ of periods of temperature.
As preferably, described pasture and water are water peanut and weter hyacinth, and both ratios are 1:(2.33-4).
As preferably, described artifical compound feed is formed by weight configuration by following component: 20-25 parts of fish meal, 10-15 parts of silkworm chrysalises, 15-20 parts, shrimp and crab shells powder, 10-20 parts of soybean, 10-12 parts of corns, 0.1-0.5 part of salt; Above component is dried 1 hour in 80-85 ℃ after selecting, the raw material of drying is pulverized and sieved, can pass through 100 mesh sieve holes, then 40-50 ℃ of temperature, 3-5 parts, powder and 10-16 parts of α-starch, 0.06-0.27 part of α-amylase, 0.06-0.27 part of flavor protease, water is placed 1 hour, then be heated to 80 ℃ and keep 15 minutes, make while hot bar shaped or granulated meal.
In the present invention, alphalise starch is that the starch of complete gelatinization is dehydrated rapidly under 80-120 ℃ of high temperature, does not make its intermolecular long-chain have too many chance to produce new Hydrogenbond, the resulting dry starch without obvious crystallization.α-amylase can be cut α-Isosorbide-5-Nitrae glycosidic bond at random from intramolecule, by Starch Hydrolysis, is glucose, maltose.Flavor protease can be polypeptide and amino acid by proteolysis, is convenient to swamp eel and absorbs.
In this swamp eel offspring breeding method, 80-90% pasture and water coverage rate is applicable to the swamp eel parent and perches, makes swamp eel to lay eggs smoothly and to reach High Yielding Effect.
The nutrition arrangement of bait is most important, and it directly has influence on the egg laying amount of parent swamp eel, and earthworm, fish gruel, fish meal, silkworm chrysalis etc. all are rich in animal protein, is aided with vegetable protein and a small amount of vitamin.Meet the nutritional need in swamp eel egg-laying period.
The present invention has the advantages that parent's lethality is low, spawning rate is high, the kind shoot survival percent is high, the seed cost is low.Net cage has been simulated the self-sow environment of swamp eel, reduced in the swamp eel reproductive process probability that is subject to the natural enemy infringement, nutritious manufactured feed can improve its growth rate and the spawning rate of swamp eel is thrown in, further improved to spawning rate, Feed selection in the temperature of swamp eel optimum growth.The solution of this net cage artificial bionic state offspring breeding method the deficiencies in the prior art, reduced the production cost of seed, improved culturist's income, met the market demand, there are good market prospects.
Embodiment
Below in conjunction with embodiment, the technical scheme of inventing is described in further detail.
Embodiment 1: this swamp eel net cage artificial bionic state offspring breeding method comprises the following steps:
A. net cage is made: select the net cage of polyvinyl chloride material, single net cage is of a size of 1m
2, mesh density 60 orders, 1-April 20 March, in the water body that is 0.05-1 meter per second at flow velocity, place net cage;
B. throw and plant pasture and water: after placing net cage, will pasture and water (water peanut and weter hyacinth ratio are 1:2.33) desinsection, throw after sterilization and be implanted in net cage, the pasture and water coverage rate reaches 80% of the interior water area of net cage;
C. the parent selects: select without disease, without the parent swamp eel of wound, energetic, look yellow stalwartness, the age of a fish is more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20 in good time, when weather is fine, throws in, and the input specification is 1500-1750g/m
2, male and female swamp eel ratio is 1:1.33;
E. cultivate seedling: the parent swamp eel throw in after the initial stage throw something and feed bait by following component by weight preparation: 40 parts of earthworms (every part of 2 grams, lower with), rotten 40 parts of fishes, 20 parts of artifical compound feeds; After throwing something and feeding continuously 15 days, the ratio of bait is adjusted into to 20 parts of earthworms, rotten 30 parts of fish, 50 parts of artifical compound feeds, 0.05 part of B B-complex; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted into to 10 parts of earthworms, rotten 30 parts of fish, 60 parts of artifical compound feeds, 0.06 part of B B-complex, feeding time is selected in 25-28 ℃ of periods of temperature.Artifical compound feed is formed by weight configuration by following component: fish meal 20 parts of (1 kilogram every part, lower same), 10 parts of silkworm chrysalises, 15 parts, shrimp and crab shells powder, 10 parts of soybean, 10 parts of corns, 0.1 part of salt; Above component is dried 1 hour in 80 ℃ after selecting, the raw material of drying is pulverized and sieved, can pass through 100 mesh sieve holes, 3 parts, powder and 10 parts of α-starch, 0.06 part of α-amylase, 0.06 part of flavor protease, water is placed 1 hour, after be heated to 80 ℃ and keep 15 minutes, make while hot bar shaped or granulated meal.
Embodiment 2: this swamp eel net cage artificial bionic state offspring breeding method comprises the following steps:
A. net cage is made: select the net cage of polyvinyl chloride material, single net cage is of a size of 1.5m
2, mesh density 60 orders, 1-April 20 March, in the water body that is 0.05-1 meter per second at flow velocity, place net cage;
B. throw and plant pasture and water: after placing net cage, will pasture and water (water peanut and weter hyacinth ratio are 1:3.2) desinsection, throw after sterilization and be implanted in net cage, the pasture and water coverage rate reaches 85% of the interior water area of net cage;
C. the parent selects: select without disease, without the parent swamp eel of wound, energetic, look yellow stalwartness, the age of a fish is more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20 in good time, when weather is fine, throws in, and the input specification is 1500-1750g/m
2, male and female swamp eel ratio is 1:1.5;
E. cultivate seedling: the parent swamp eel throw in after the initial stage throw something and feed bait by following component by weight preparation: 40 parts of earthworms, rotten 40 parts of fish, 20 parts of artifical compound feeds; After throwing something and feeding continuously 17 days, the ratio of bait is adjusted into to 20 parts of earthworms, rotten 30 parts of fish, 50 parts of artifical compound feeds, 0.18 part of B B-complex; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted into to 10 parts of earthworms, rotten 30 parts of fish, 60 parts of artifical compound feeds, 0.18 part of B B-complex, feeding time is selected in 25-28 ℃ of periods of temperature.Artifical compound feed is formed by weight configuration by following component: 22.5 parts of fish meal, 12. parts of silkworm chrysalises, 17.5 parts, shrimp and crab shells powder, 15 parts of soybean, 11 parts of corns, 0.3 part of salt; Above component is dried 1 hour in 82 ℃ after selecting, the raw material of drying is pulverized and sieved, can pass through 100 mesh sieve holes, 4 parts, powder and 10-16 parts of α-starch, 0.16 part of α-amylase, 0.16 part of flavor protease, water is placed 1 hour, after be heated to 80 ℃ and keep 15 minutes, make while hot bar shaped or granulated meal.
Embodiment 3: this swamp eel net cage artificial bionic state offspring breeding method comprises the following steps:
A. net cage is made: select the net cage of polyvinyl chloride material, single net cage is of a size of 2m
2, mesh density 60 orders, 1-April 20 March, in the water body that is 0.05-1 meter per second at flow velocity, place net cage;
B. throw and plant pasture and water: after placing net cage, will pasture and water (water peanut and weter hyacinth ratio are 1:4) desinsection, throw after sterilization and be implanted in net cage, the pasture and water coverage rate reaches 90% of the interior water area of net cage;
C. the parent selects: select without disease, without the parent swamp eel of wound, energetic, look yellow stalwartness, the age of a fish is more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20 in good time, when weather is fine, throws in, and the input specification is 1500-1750g/m
2, male and female swamp eel ratio is 1:1.67;
E. cultivate seedling: the parent swamp eel throw in after the initial stage throw something and feed bait by following component by weight preparation: 40 parts of earthworms, rotten 40 parts of fish, 20 parts of artifical compound feeds; After throwing something and feeding continuously 20 days, the ratio of bait is adjusted into to 20 parts of earthworms, rotten 30 parts of fish, 50 parts of artifical compound feeds, 0.3 part of B B-complex; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted into to 10 parts of earthworms, rotten 30 parts of fish, 60 parts of artifical compound feeds, 0.3 part of B B-complex, feeding time is selected in 25-28 ℃ of periods of temperature.Artifical compound feed is formed by weight configuration by following component: 25 parts of fish meal, 15 parts of silkworm chrysalises, 20 parts, shrimp and crab shells powder, 20 parts of soybean, 12 parts of corns, 0.5 part of salt; Above component is dried 1 hour in 80-85 ℃ after selecting, the raw material of drying is pulverized and sieved, can pass through 100 mesh sieve holes, 5 parts, powder and 16 parts of α-starch, 0.27 part of α-amylase, 0.27 part of flavor protease, water is placed 1 hour, after be heated to 80 ℃ and keep 15 minutes, make while hot bar shaped or granulated meal.
In above-described embodiment, α-starch that α-starch can select the beautiful wild goose industry in Henan to produce, α-amylase that α-amylase can select Hebei outstanding promise biology enzyme Co., Ltd to produce, the flavor protease that flavor protease can select Guangzhou Ji Yuan Bioisystech Co., Ltd to produce.
The net cage swamp eel seed that embodiment 2 methods are obtained and wild seed and existing breed the seed breeding effect and contrasted, comparing result is as follows:
In table, data are known, and its parent's lethality of the described swamp eel mating system of embodiment, spawning rate, weed survival rate and cost etc., all be better than other existing methods.
Finally, it should be pointed out that above embodiment is only the more representational example of the present invention.Obviously, the invention is not restricted to above-mentioned embodiment, many distortion can also be arranged.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all should think and belong to protection scope of the present invention.
Claims (3)
1. a swamp eel net cage artificial bionic state offspring breeding method is characterized in that this mating system comprises the following steps:
A. net cage is made: select the net cage of polyvinyl chloride material, single net cage is of a size of 1-2m
2, mesh density 60 orders, 1-April 20 March, in the water body that is 0.05-1 meter per second at flow velocity, place net cage;
B. throw and plant pasture and water: after placing net cage, will the pasture and water desinsection, throw after sterilization and be implanted in net cage, the pasture and water coverage rate reaches 80-90% of water area in net cage;
C. the parent selects: select without disease, without the parent swamp eel of wound, energetic, look yellow stalwartness, the age of a fish is more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20 in good time, when weather is fine, throws in, and the input specification is 1500-1750g/m
2, male and female swamp eel ratio is 1:1.33-1:1.67;
E. cultivate seedling: the parent swamp eel throw in after the initial stage throw something and feed bait by following component by weight preparation: 40 parts of earthworms, rotten 40 parts of fish, 20 parts of artifical compound feeds; After throwing something and feeding 15-20 days continuously, the ratio of bait is adjusted into to 20 parts of earthworms, rotten 30 parts of fish, 50 parts of artifical compound feeds, 0.05-0.3 part of B B-complex; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted into to 10 parts of earthworms, rotten 30 parts of fish, 60 parts of artifical compound feeds, 0.06-0.3 part of B B-complex, feeding time is selected in 25-28 ℃ of periods of temperature.
2. swamp eel net cage artificial bionic state offspring breeding method according to claim 1, is characterized in that described pasture and water are water peanut and weter hyacinth, and both ratios are 1:2.33-1:4.
3. swamp eel net cage artificial bionic state offspring breeding method according to claim 1, is characterized in that described artifical compound feed is formed by weight configuration by following component: 20-25 parts of fish meal, 10-15 parts of silkworm chrysalises, 15-20 parts, shrimp and crab shells powder, 10-20 parts of soybean, 10-12 parts of corns, 0.1-0.5 part of salt; Above component is dried 1 hour in 80-85 ℃ after selecting, the raw material of drying is pulverized and sieved, can pass through 100 mesh sieve holes, then 40-50 ℃ of temperature, 3-5 parts, powder and 10-16 parts of α-starch, 0.06-0.27 part of α-amylase, 0.06-0.27 part of flavor protease, water is placed 1 hour, then be heated to 80 ℃ and keep 15 minutes, make while hot bar shaped or granulated meal.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104054607A (en) * | 2014-06-09 | 2014-09-24 | 怀远县渔业科技发展有限责任公司 | Technical method for pollution-free finless eel raising in pond with net cages |
| CN104488772A (en) * | 2014-12-01 | 2015-04-08 | 上海东保农业科技有限公司 | Method for improving aperture opening ratio of ricefield eels |
| CN104798712A (en) * | 2015-05-11 | 2015-07-29 | 武汉市知富企业管理咨询有限公司 | Cage raising method for rice-field eel offspring seeds |
| CN106359191A (en) * | 2016-08-31 | 2017-02-01 | 苏州善道农业科技有限公司 | Soilless propagation method of monopterus albus Zuiew |
| CN106719134A (en) * | 2016-11-30 | 2017-05-31 | 蚌埠市渔歌农业科技有限公司 | A kind of method for improving swamp eel spawning rate |
| CN108112509A (en) * | 2018-01-16 | 2018-06-05 | 仙桃市洪渊泽水产养殖专业合作社 | A kind of method that there is native Ecology breeding swamp eel seedling in rice field |
| CN108782362A (en) * | 2018-06-09 | 2018-11-13 | 天津市金水族水产养殖有限公司 | A kind of method of fancy carp net cage breeding |
| CN110692554A (en) * | 2019-10-31 | 2020-01-17 | 长江大学 | Comprehensive breeding method for eel, shrimp and rice |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104054607A (en) * | 2014-06-09 | 2014-09-24 | 怀远县渔业科技发展有限责任公司 | Technical method for pollution-free finless eel raising in pond with net cages |
| CN104488772A (en) * | 2014-12-01 | 2015-04-08 | 上海东保农业科技有限公司 | Method for improving aperture opening ratio of ricefield eels |
| CN104488772B (en) * | 2014-12-01 | 2017-02-22 | 上海东保农业科技有限公司 | Method for improving aperture opening ratio of ricefield eels |
| CN104798712A (en) * | 2015-05-11 | 2015-07-29 | 武汉市知富企业管理咨询有限公司 | Cage raising method for rice-field eel offspring seeds |
| CN106359191A (en) * | 2016-08-31 | 2017-02-01 | 苏州善道农业科技有限公司 | Soilless propagation method of monopterus albus Zuiew |
| CN106719134A (en) * | 2016-11-30 | 2017-05-31 | 蚌埠市渔歌农业科技有限公司 | A kind of method for improving swamp eel spawning rate |
| CN108112509A (en) * | 2018-01-16 | 2018-06-05 | 仙桃市洪渊泽水产养殖专业合作社 | A kind of method that there is native Ecology breeding swamp eel seedling in rice field |
| CN108782362A (en) * | 2018-06-09 | 2018-11-13 | 天津市金水族水产养殖有限公司 | A kind of method of fancy carp net cage breeding |
| CN110692554A (en) * | 2019-10-31 | 2020-01-17 | 长江大学 | Comprehensive breeding method for eel, shrimp and rice |
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