CN103461225B - Swamp eel net cage artificial bionic state offspring breeding method - Google Patents
Swamp eel net cage artificial bionic state offspring breeding method Download PDFInfo
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- CN103461225B CN103461225B CN201310324577.3A CN201310324577A CN103461225B CN 103461225 B CN103461225 B CN 103461225B CN 201310324577 A CN201310324577 A CN 201310324577A CN 103461225 B CN103461225 B CN 103461225B
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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
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Abstract
A kind of swamp eel net cage artificial bionic state offspring breeding method, comprise net cage to make, throw and plant pasture and water, Juvenile stage, charge seed in good time, cultivate the steps such as seedling, the method has the advantages that parent's lethality is low, spawning rate is high, plant that shoot survival percent is high, seed cost is low.Net cage simulates the self-sow environment of swamp eel, decrease the probability by natural enemy infringement in swamp eel reproductive process, nutritious manufactured feed can improve its growth rate and spawning rate, temperature input that Feed selection grow at swamp eel optimum, the spawning rate that further increases swamp eel.This net cage artificial bionic state offspring breeding method solve the deficiencies in the prior art, reduce the production cost of seed, improve culturist's income, meet the market demand, there are good market prospects.
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, fine and tender taste, is rich in protein, DHA, lecithin, vitamin A, various trace element.There is well medicinal and edibility, multiple cuisines can be made, very popular.
Swamp eel has the characteristic of sex reversal, becomes male after producing a deutovum by female.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 is little, and cannot meet artificial breeding demand in enormous quantities, market has openings is very large.
Summary of the invention
The object of this invention is to provide a kind of swamp eel net cage artificial bionic state offspring breeding method, the wild seedling of existing swamp eel be few to improve, the technical problem such as cannot to meet the need of market.
The present invention is mainly solved 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 makes: the net cage selecting polyvinyl chloride material, single net cage is of a size of 1-2m
2, mesh density 60 order, 1-April 20 March, be place net cage in the water body of 0.05-1 meter per second at flow velocity;
B. throw and plant pasture and water: after placing net cage, be implanted in net cage by throwing after pasture and water desinsection, sterilization, pasture and water coverage rate reaches 80-90% of water area in net cage;
C. Juvenile stage: select without disease, parent swamp eel without wound, energetic, look yellow stalwartness, the age of a fish more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20, throw in when weather is fine, input specification is 1500-1750g/m in good time
2, male and female swamp eel ratio is 1:(1.33-1.67);
E. seedling is cultivated: parent swamp eel is thrown in the rear initial stage and throws something and feeds bait by the preparation by weight of following component: earthworm 40 parts, fish rotten 40 parts, artifical compound feed 20 parts; After throwing something and feeding 15-20 days continuously, the ratio of bait is adjusted to earthworm 20 parts, rotten 30 parts of fish, artifical compound feed 50 parts, B B-complex 0.05-0.3 part; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted to earthworm 10 parts, rotten 30 parts of fish, artifical compound feed 60 parts, B B-complex 0.06-0.3 part, feeding time is selected in 25-28 DEG C 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: fish meal 20-25 parts, silkworm chrysalis 10-15 parts, 15-20 parts, shrimp and crab shells powder, soybean 10-20 parts, corn 10-12 parts, salt 0.1-0.5 part; Above component is dried 1 hour in 80-85 DEG C after selecting, the raw material of drying is pulverized and sieved, 100 mesh sieve holes can be passed through, then temperature 40-50 DEG C, powder and α-starch 10-16 parts, α-amylase 0.06-0.27 part, flavor protease 0.06-0.27 part, 3-5 parts, water are placed 1 hour, then be heated to 80 DEG C and keep 15 minutes, making bar shaped or granulated meal while hot.
In the present invention, alphalise starch is by dry for the starch of complete gelatinization rapid dehydration under 80-120 DEG C of high temperature, does not make its intermolecular long-chain have too many chance to produce new Hydrogenbond, obtain without obvious crystallization dry starch.α-amylase can cut α-Isosorbide-5-Nitrae glycosidic bond at random from intramolecule, is glucose, maltose by Starch Hydrolysis.Proteolysis can be polypeptide and amino acid by flavor protease, is convenient to swamp eel and absorbs.
In this swamp eel offspring breeding method, the pasture and water coverage rate of 80-90% is applicable to swamp eel parent and perches, makes swamp eel 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. are all rich in animal protein, are 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, kind shoot survival percent is high, seed cost is low.Net cage simulates the self-sow environment of swamp eel, decrease the probability by natural enemy infringement in swamp eel reproductive process, nutritious manufactured feed can improve its growth rate and spawning rate, temperature input that Feed selection grow at swamp eel optimum, the spawning rate that further increases swamp eel.This net cage artificial bionic state offspring breeding method solve the deficiencies in the prior art, reduce the production cost of seed, improve culturist's income, meet the market demand, there are good market prospects.
Embodiment
Below in conjunction with embodiment, the technical scheme of invention 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 makes: the net cage selecting polyvinyl chloride material, single net cage is of a size of 1m
2, mesh density 60 order, 1-April 20 March, be place net cage in the water body of 0.05-1 meter per second at flow velocity;
B. throw and plant pasture and water: after placing net cage, be implanted in net cage by pasture and water (water peanut and weter hyacinth ratio are 1:2.33) desinsection, rear throwing of sterilizing, pasture and water coverage rate reaches 80% of water area in net cage;
C. Juvenile stage: select without disease, parent swamp eel without wound, energetic, look yellow stalwartness, the age of a fish more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20, throw in when weather is fine, input specification is 1500-1750g/m in good time
2, male and female swamp eel ratio is 1:1.33;
E. seedling is cultivated: parent swamp eel is thrown in the rear initial stage and throws something and feeds bait by the preparation by weight of following component: earthworm 40 parts (2 grams every part, lower same), fish rotten 40 parts, artifical compound feed 20 parts; After throwing something and feeding continuously 15 days, the ratio of bait is adjusted to earthworm 20 parts, rotten 30 parts of fish, artifical compound feed 50 parts, B B-complex 0.05 part; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted to earthworm 10 parts, rotten 30 parts of fish, artifical compound feed 60 parts, B B-complex 0.06 part, feeding time is selected in 25-28 DEG C of periods of temperature.Artifical compound feed is formed by weight configuration by following component: fish meal 20 parts (1 kilogram every part, lower same), silkworm chrysalis 10 parts, 15 parts, shrimp and crab shells powder, soybean 10 parts, corn 10 parts, salt 0.1 part; Above component is dried 1 hour in 80 DEG C after selecting, the raw material of drying is pulverized and sieved, 100 mesh sieve holes can be passed through, powder and α-starch 10 parts, α-amylase 0.06 part, flavor protease 0.06 part, 3 parts, water are placed 1 hour, after be heated to 80 DEG C and keep 15 minutes, make bar shaped or granulated meal while hot.
Embodiment 2: this swamp eel net cage artificial bionic state offspring breeding method, comprises the following steps:
A. net cage makes: the net cage selecting polyvinyl chloride material, single net cage is of a size of 1.5m
2, mesh density 60 order, 1-April 20 March, be place net cage in the water body of 0.05-1 meter per second at flow velocity;
B. throw and plant pasture and water: after placing net cage, be implanted in net cage by pasture and water (water peanut and weter hyacinth ratio are 1:3.2) desinsection, rear throwing of sterilizing, pasture and water coverage rate reaches 85% of water area in net cage;
C. Juvenile stage: select without disease, parent swamp eel without wound, energetic, look yellow stalwartness, the age of a fish more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20, throw in when weather is fine, input specification is 1500-1750g/m in good time
2, male and female swamp eel ratio is 1:1.5;
E. seedling is cultivated: parent swamp eel is thrown in the rear initial stage and throws something and feeds bait by the preparation by weight of following component: earthworm 40 parts, fish rotten 40 parts, artifical compound feed 20 parts; After throwing something and feeding continuously 17 days, the ratio of bait is adjusted to earthworm 20 parts, rotten 30 parts of fish, artifical compound feed 50 parts, B B-complex 0.18 part; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted to earthworm 10 parts, rotten 30 parts of fish, artifical compound feed 60 parts, B B-complex 0.18 part, feeding time is selected in 25-28 DEG C of periods of temperature.Artifical compound feed is formed by weight configuration by following component: fish meal 22.5 parts, silkworm chrysalis 12. parts, 17.5 parts, shrimp and crab shells powder, soybean 15 parts, corn 11 parts, salt 0.3 part; Above component is dried 1 hour in 82 DEG C after selecting, the raw material of drying is pulverized and sieved, 100 mesh sieve holes can be passed through, powder and α-starch 10-16 parts, α-amylase 0.16 part, flavor protease 0.16 part, 4 parts, water are placed 1 hour, after be heated to 80 DEG C and keep 15 minutes, make bar shaped or granulated meal while hot.
Embodiment 3: this swamp eel net cage artificial bionic state offspring breeding method, comprises the following steps:
A. net cage makes: the net cage selecting polyvinyl chloride material, single net cage is of a size of 2m
2, mesh density 60 order, 1-April 20 March, be place net cage in the water body of 0.05-1 meter per second at flow velocity;
B. throw and plant pasture and water: after placing net cage, be implanted in net cage by pasture and water (water peanut and weter hyacinth ratio are 1:4) desinsection, rear throwing of sterilizing, pasture and water coverage rate reaches 90% of water area in net cage;
C. Juvenile stage: select without disease, parent swamp eel without wound, energetic, look yellow stalwartness, the age of a fish more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20, throw in when weather is fine, input specification is 1500-1750g/m in good time
2, male and female swamp eel ratio is 1:1.67;
E. seedling is cultivated: parent swamp eel is thrown in the rear initial stage and throws something and feeds bait by the preparation by weight of following component: earthworm 40 parts, fish rotten 40 parts, artifical compound feed 20 parts; After throwing something and feeding continuously 20 days, the ratio of bait is adjusted to earthworm 20 parts, rotten 30 parts of fish, artifical compound feed 50 parts, B B-complex 0.3 part; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted to earthworm 10 parts, rotten 30 parts of fish, artifical compound feed 60 parts, B B-complex 0.3 part, feeding time is selected in 25-28 DEG C of periods of temperature.Artifical compound feed is formed by weight configuration by following component: fish meal 25 parts, silkworm chrysalis 15 parts, 20 parts, shrimp and crab shells powder, soybean 20 parts, corn 12 parts, salt 0.5 part; Above component is dried 1 hour in 80-85 DEG C after selecting, the raw material of drying is pulverized and sieved, 100 mesh sieve holes can be passed through, powder and α-starch 16 parts, α-amylase 0.27 part, flavor protease 0.27 part, 5 parts, water are placed 1 hour, after be heated to 80 DEG C and keep 15 minutes, make bar shaped or granulated meal while hot.
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 Jie Nuo biology enzyme Co., Ltd to produce, the flavor protease that flavor protease can select Guangzhou and first Bioisystech Co., Ltd to produce.
The net cage swamp eel seed obtain embodiment 2 method and wild seed and existing seed breeding effect of breeding contrast, and comparing result is as follows:
From data in table, swamp eel mating system described in embodiment its parent's lethality, spawning rate, weed survival rate and cost etc., be all 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 had.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all should think and belong to protection scope of the present invention.
Claims (1)
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 makes: the net cage selecting polyvinyl chloride material, single net cage is of a size of 1-2m
2, mesh 60 order, 1-April 20 March, be place net cage in the water body of 0.05-1 meter per second at flow velocity;
B. throw and plant pasture and water: after placing net cage, be implanted in net cage by throwing after pasture and water desinsection, sterilization, pasture and water coverage rate reaches 80-90% of water area in net cage;
C. Juvenile stage: select without disease, parent swamp eel without wound, energetic, look yellow stalwartness, the age of a fish more than 2 years, individual substance 70-80g;
D. charge seed: the time of charging seed is selected in May 1 to May 20, throw in when weather is fine, input density is 1500-1750g/m in good time
2, male and female swamp eel ratio is 1:1.33-1:1.67;
E. seedling is cultivated: parent swamp eel is thrown in the rear initial stage and throws something and feeds bait by the preparation by weight of following component: earthworm 40 parts, fish rotten 40 parts, artifical compound feed 20 parts; After throwing something and feeding 15-20 days continuously, the ratio of bait is adjusted to earthworm 20 parts, rotten 30 parts of fish, artifical compound feed 50 parts, B B-complex 0.05-0.3 part; Lay eggs the middle and later periods in 30-August 10 June, further the ratio of bait is adjusted to earthworm 10 parts, rotten 30 parts of fish, artifical compound feed 60 parts, B B-complex 0.06-0.3 part, feeding time is selected in 25-28 DEG C of periods of temperature;
Described pasture and water are water peanut and weter hyacinth, and both ratios are 1:2.33-1:4;
Described artifical compound feed is formed by weight configuration by following component: fish meal 20-25 parts, silkworm chrysalis 10-15 parts, 15-20 parts, shrimp and crab shells powder, soybean 10-20 parts, corn 10-12 parts, salt 0.1-0.5 part; Above component is dried 1 hour in 80-85 DEG C after selecting, the raw material of drying is pulverized and sieved, 100 mesh sieve holes can be passed through, then temperature 40-50 DEG C, place 1 hour after powder is mixed with α-starch 10-16 parts, α-amylase 0.06-0.27 part, flavor protease 0.06-0.27 part, 3-5 parts, water, then be heated to 80 DEG C and keep 15 minutes, making bar shaped or granulated meal while hot.
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| 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 |
| 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 |
| CN110692554B (en) * | 2019-10-31 | 2021-12-24 | 长江大学 | Comprehensive breeding method for eel, shrimp and rice |
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| WO1988001512A1 (en) * | 1986-08-28 | 1988-03-10 | Thomas Ko Sai Ying | Animal growth promotant |
| CN1206933C (en) * | 2003-04-01 | 2005-06-22 | 朱德高 | Method of processing animal feed using enzymatic hydrolysis |
| CN1220444C (en) * | 2003-05-13 | 2005-09-28 | 浙江大学 | Process for preparing enzymolysis feed for breeding shellfish |
| CN100398001C (en) * | 2004-05-17 | 2008-07-02 | 浙江大学 | Bait with enzymolysis being needed before use for shellfish |
| CN102389035A (en) * | 2011-10-11 | 2012-03-28 | 南京帅丰饲料有限公司 | Preparation of bighead carp biologic feed, and method for feeding bighead carp by using mesh bag |
| CN102550807B (en) * | 2012-01-19 | 2013-09-18 | 沈阳市康普利德生物科技有限公司 | Method for preparing predigested feed |
| CN102599351B (en) * | 2012-04-16 | 2013-11-20 | 辽宁神农生物工程有限公司 | Bio-enzyme and microorganism containing compound feed additive and preparation process thereof |
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Inventor after: Gong Shiyuan Inventor after: Yang Xinhua Inventor after: Shao Zidi Inventor before: Yang Xinhua Inventor before: Shao Zidi |
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Effective date of registration: 20170424 Address after: 433000 Hubei province Xiantao Guo He Zhen Shao Wan Cun five groups Patentee after: HUBEI QIANGNONG FOOD CO., LTD. Address before: 433000 Hubei province Xiantao Guo He Zhen Shao Wan Cun Patentee before: Xiantao Qiangnong Aquatic Professional Cooperatives |
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